1. <rp id="zsypk"></rp>

      2. •Įa(chn)c̰

        rg2023-03-07 18:22:56 ̰ ҪͶ

        •Įa(chn)c̰

        •Įa(chn)͂ͨ^̽w̽^̺ͷl(f)ڽ̎(do)£ʹW(xu)ͨ^HԄ֌͌F(xin)ռϢM(jn)ЌȷóY(ji)Փ

        •Įa(chn)c̰

        •Įa(chn)c̰1

        n}•İl(f)c

        nr1nr

        ̌W(xu)Ŀģ1.֪•wӰl(f)ģ•İl(f)c

        2.֪•Ҫ|(zh)•ڲͬ|(zh)ЂٶȲͬӛ•ڿ՚еĂٶ

        3.֪•F(xin)ͻ•yxԭ

        ̌W(xu)yc•yxӋ

        ̌W(xu)c•İl(f)͂^•

        ̌W(xu)ʾ(do)W(xu)̽

        ̌W(xu)þߣһƹF_͸ϱ

        ̌W(xu)^̣

        һ

        ՈһλW(xu)xnp31?ᆖͬW(xu)TDzǶ Ҋ?x•ôl(f)?•@M(jn)ÿ˵Ķ?

        ҂һо•İl(f)͂^W(xu)(x)•F(xin)Ļ֪R

        •'l(f)

        ҂ÿˏij Nӵ•@Щǧǧff•Ӱl(f)?

        ͨ^о҂l(f)F(xin)һаl(f)w(ጺΞ)

        evԒl(f)••ڡǿ՚ĕrƤӡ

        ʾCl(f)•_ƹ

        l(f)•Rˮ

        õY(ji)Փһаl(f)•w

        ᆖ^Dzһӵwڰl(f)•?

        W(xu)ӑՓώw{Y(ji)һӵwl(f)•ֻ^ЩӰl(f)•҂?ni)˶ ? IJһDzڵ)

        ᆖӾ͕l(f)•l(f)•һֹͣ•?

        ʾfֹͣl(f)Ҳֹͣ

        •Ă

        eώvnÿͬW(xu) Ҋ•ӂゃĶ?

        •ͨ^՚̰•İl(f)c

        ʾC湲Qһ揗ƹ

        ᆖ˿՚Ԃ•߀Щ|(zh)Ԃ•?

        W(xu)ӑՓeώw{wҺw߀йwԂ•

        ef~ˮTԒFΓ ܉ȵ

        W(xu)򞣺N Nӵ•

        ҂пԂ•|(zh)(ý)н|(zh)

        wҺwwǽ|(zh)

        ᆖ]КwҲ]Һw͹w]н|(zh)߀ܲ܂•?

        ]н|(zh)܂•ղ܂•

        ՈW(xu)鿴nP33•ٱ

        óY(ji)Փһԣ•ڹwбҺwЂҺwбښwЂ

        (ɷ̶ܼțQ)

        ҳ15Cr՚•ٞ飺340m/sҪW(xu)Rӛ

        һ՚УofJ(rn)•340m/s

        (x)}FΓ꠆TP܉ ܇x܇xs ׂ••

        ֮ggǶ?

        •

        ••ڂϵKﷴ؁ĬF(xin)

        ώvnʲô] •?

        •ڲ ֻ˶܅^(q)---ԭ•rgg̫

        ˶^(q)ԭ•ͻ•Сrgg飺0.1

        MW(xu)Ӌ •̾x

        s=vt=340mL=s/2=17m

        •

        1yxL=vt/22yȣh=vt/2

        ˼}:һС܇40m/sٶɽ_ijذ1s •С܇ȕrxɽ_h(yun)?

        ߡСY(ji):I(y)P433}4}.

        O(sh)Ӌ

        •F(xin)һ(ji)•İl(f)͂

        һ.İl(f)

        1.һаl(f)•wӡ

        2.ֹͣl(f)•Ҳֹͣ

        1.•|(zh)(κΚwҺw͹w)

        2.•(15)340m/s

        3.•ɴСУwҺww

        1.••ڂϵKﷴ؁ĬF(xin)( •l0.1s17)

        2.û•yxs=1/2s=1/2vt

        •Įa(chn)c̰2

        ̌W(xu)Ŀ(bio)

        һ֪RĿ(bio)

        1.ͨ^^͌J(rn)R•a(chn)͂ėl

        2.֪•wӮa(chn)

        3.֪•Ҫ|(zh)•ڲͬ|(zh)ЂٶȲͬ

        Ŀ(bio)

        1.ͨ^^͌̽•ήa(chn)?•΂?ĶB(yng)W(xu)о}ķ

        2.ͨ^W(xu)(x)呟W(xu)^

        Ŀ(bio)

        1.ͨ^̎W(xu)p߅̌W(xu)ӣl(f)W(xu)ČW(xu)(x)dȤB(yng)W(xu)ƌW(xu)ğۣʹW(xu)̽ȻF(xin)ճеW(xu)

        2.עڻB(yng)W(xu)cͬW(xu)R

        ̌W(xu)c

        ͨ^^͌̽•Įa(chn)͂

        ̌W(xu)yc

        Mָ(do)W(xu)̽^м(x)^졢J(rn)ܵó_Y(ji)Փ

        ̌W(xu)

        ̽ӑՓ򞷨^취

        ̌W(xu)^

        һ(do)n

        ώϹ(ji)n҂εĽBһҪW(xu)(x)Ď׷֪Rl߀ӛĎ׷֪R?

        ώ҂͌W(xu)(x)@ƺSWص•F(xin)

        ňW(xu)

        ώċ냺ɉصһ𣬾͟oro̲c•򽻵纣˵•(yu)•܇•ώvn•ȵȣl߀eһЩ•?

        W(xu)СB'•ҕC(j)•

        ώ@ôN•ôa(chn)??gu)ゃ@ЩĴƌW(xu)һ̽һ°!

        ҂ȏ߅•F(xin)_ʼо

        (һ)•Įa(chn)

        ώо֮ǰ҂Ҫ˽һ¿ƌW(xu)̽ĎׂE}--cO(sh)--O(sh)ӋM(jn)Ќ--ռ(sh)(j)ՓC--óY(ji)Փ--c--u

        []

        ֱ߰l(f)•Č;

        ώڰl(f)•ͬrʲôF(xin)?

        W(xu)^쿂Y(ji)()

        vԒ(İ!)ͬr퇵̎;

        ώvԒͬrʲôX?

        W(xu)w

        ώǰɂ•a(chn)ͬrl(f)•w҂}•ôa(chn)?һwl(f)•wô҂͑(yng)ԓO(sh)ӋC

        (3)ƤƤӵͬr •ˌC҂IJ

        ώ@Щ•a(chn)ĕr҂ܺ@ؿӣЛ]пҊӵ•?҂ԓôӁCԼIJ?

        (4)ȡһһ

        ώİl(f)•DžsҊӣDz҂IJe?ゃԼôk?

        W(xu)ĵ̫΢С҂Ҋԑ(yng)ԓÖ|Ŵ@N(ڹϷϷ۹P^ٴÓ۹P^)۹P^fİl(f)•ҲӮa(chn)

        ώܺã҂ׂC҂IJ

        (5)Ó

        ώ@ҲҊλͬW(xu)ԇԇ@ҲӮa(chn)•?Ŀx

        W(xu)ףÓ֮󿿽ԭӵđҒƹl(f)F(xin)С򱻏

        W(xu)ңÓ֮ʢˮIJl(f)F(xin)ˮĞR

        ώՈտƌW(xu)̽IJEόM(jn)зՓCゃõʲôY(ji)Փ?

        W(xu)҂l(f)F(xin)ÿήa(chn)•r˽Y(ji)Փǣ•wӮa(chn)ġ

        [ʾ]Óһ֮a(chn)סʹֹͣl(f)F(xin)•Ҳʧ

        ώ@F(xin)ܵõʲôY(ji)Փ?

        W(xu)ֹͣ•ʧ

        ώͬ•ӵIJλͬvԒ•ӣǵӃ(ni)՚ùǹӵȡ҂؄e˼Ȼ֪•wӮa(chn)ģôӲ؏(f)l(f)?ʲô؏(f)l(f)•?

        [W(xu)]

        ώ҂l(f)•wҎ(gu)ӛȻٰӛµҎ(gu)ȥӣ͕a(chn)cԭһӵ•ڵijƬC(j)@Nԭɵ

        ()•Ă

        1.w•

        ώЛ] vԒ•?

        W(xu)]

        ώNゃĶvĆ?xゃһľxʲôゃ ҵ•?fˮȰˮñӰˮ͵߅ܺȵˮӾҺˮý҂֮gʲô•?ゃܲܲһ?

        W(xu)҂ώ֮gֻп՚@N|(zh)ˣҲ둪(yng)ԓǿ՚•fý

        ώ벻ھŒ҂Cһ]п՚(ՠB(ti))҂߀ܲ •?

        [ʾ]•ʾ

        (1)п՚rͨԴ •

        (2)óC(j)ѿ՚ȥ֮•׃С

        (3)Śl(f)F(xin)•ԽԽ

        Y(ji)w܂•ղ܂•

        ώW(xu)атҪ|(zh)н|(zh)ʚw•Ľ|(zh)

        ώȻг˚w߀йwҺwôwҺwҲ܂•?ʲô?Ոef

        2.w•

        W(xu)жf•܉^w׌ ԹwҲ•Ľ|(zh)

        []ѶNϣppĄ܏ľ^•

        Y(ji)ՓwҲԂ•fwҲ•Ľ|(zh)

        3.Һw•

        ώ҂ںuLģ~һİl֪~ĕr(yng)ԓעʲô?

        W(xu)ڰϴ•vԒ

        ώʲô?

        W(xu)ǘӕ~

        ώ~ҺwҲ •fʲô?

        W(xu)ҺwҲ܂•ҺwҲ•Ľ|(zh)

        Y(ji)•Ҫ|(zh)|(zh)wҺwwղ܂•

        4.•

        ώͨ^̽ʾhh҂ѽ(jng)֪ˣwҺw͹wý錢•ȥô•ڲͬ|(zh)ЂĿһӆ?ՈͬW(xu)xn15퓈D׷N|(zh)е•شІ}

        [ͶӰ]

        }1•15 25 Ŀ՚ЂٶȷքeǶ?@f•ٸʲôP(gun)?

        }2•25 Ŀ՚sˮЂٶȷքeǶ?@f•ٸʲôP(gun)?

        }3ȱеĔ(sh)(j)԰l(f)F(xin)ʲô?

        Y(ji)(1)һr•ڹwڂٶȴҺwڂٶȴښwڂٶ

        (2)•ٴСc|(zh)NضP(gun)

        5.• •ڽ|(zh)•ʽ

        6.•

        ɽ ••ô?

        ώͬ•ڽوvԒ ʲôһ?

        (dng)•cԭ•֮gڕrggС0.1Sr˶ •˕r

        •ԭ•𵽼ӏ(qing)

        (x)

        1.̫ܲM(jn)?ʲô?

        2.ڰvԒˮ~ͨ^Щ|(zh) •?

        •Įa(chn)c̰3

        ̌W(xu)Ŀ(bio)

        •Įa(chn)čW(xu)O(sh)Ӌ

        1֪•Ӯa(chn)

        2֪•ĂҪ|(zh)֪•ڲͬ|(zh)ĂٶȲͬ

        3ܷһЩҊ•F(xin)

        yc

        أ1W(xu)•Įa(chn)c^̵̽

        y2O(sh)Ӌ̽Č

        3•F(xin)ķ

        ̌W(xu)^

        ̌W(xu)(ni)

        ̎

        W(xu)

        ע

        (chung)O(sh)龳(do)n}

        ֪Ra(b)

        һ(do)n

        ׌W(xu)^n12퓈DƬ׌ͬW(xu)ffʲôF(xin)ʲôͬ

        M(jn)n

        1.•Įa(chn)

        1̲oķDIJͬķo•a(chn)r׌W(xu)l(f)F(xin)wl(f)•rĹͬ

        2̽Y(ji)l(f)•wĹͬ

        һ׌W(xu)ƤһMһˌƤLһ֓܄Ƥ^Ƥ

         ʲôͬrע^˕rƤ̎ʲôB(ti)

        ڮ(dng)ֹͣĕr߀ •

        ׌W(xu)ÿ̶ȳ򞡣ʹ̶ȳ֮һ֌֮һo߅һ֓܄׌W(xu)^r

         ʲô˕rij̎ʲôB(ti)

        ڮ(dng)ֹͣĕr߀ •᣿

        ӑՓxnP13hh̎ጣ

        sİl(f)•ڸ,ӹĤķʽl(f)•,ٽ(jng)^λĹQ,܌•h(yun)sİl(f)ȲdzӰl(f)•ҲǸĦl(f)•

        wӰl(f)•ĬF(xin)̫ͬW(xu)eȻһЩİl(f)•F(xin)

        Aٵ•ښě_ك(ni)ďƬl(f)Ӱl(f).

        BƓP_˹•ښͨ^ܕrʹ܃(ni)՚Ӷl(f).

        C•ǿǻ(ni)՚Ӯa(chn).

        Dן'sQsİl(f)տsrl(f)ĤӶa(chn).

        Eը•ǚĤ܇՚Ӷa(chn).

        F•ݺƴٲ•ˮײʯ^՚Ӱl(f)•.

        3֪RС

        fԒrַں퇵Ըе퇵ĕrp|棬ҲԸXְס棬ʹֹͣl(f)Ҳ@ЩŒC•ʹwĶa(chn)ֹͣl(f)•

        2.•Ă

        1龰O(sh)ã^̲ĈD1.1-5T̫ßo늲Մ̎}֪T֮gͨ^ʲôM(jn)нՄ?yu)ʲôֱM(jn)нՄ•Ăʲôl᣿

        2̽ӣ

        ٣w•򞣩nһֻNһֻһͬW(xu)ӵһô

        ͬW(xu)xp15hhxش

        Ȼ•ڹwҺwwЂôͬW(xu)֪•@Щ|(zh)ôĆxP15(ni)ݡ

        4֪RС

        fe`ǣ

        A•ڿ՚Ђ

        B•܉Ђ

        C•ںˮЂ

        D•Ђ

        1龰O(sh)î(dng)挦ϵKһ•^һ܉ •֪@ʲôԭ

        䌍•ĂҪrgҰ•ÿ(ni)ľx•••􂃂Ŀ

        xnp15СYϡ^•ڹwҺw͚wеĂٶȡ

        2•ٹʽv=s/tvʾ•نλ/sxÿ룩sʾxλǣףtʾrgλs룩

        p16

        3֪RС

        һLLFܣ ״•քeǏ

        Сɽһ•(jng)^3 ԼĻ•tСxɽľxsǶv=340/s

        4(ji)֪RСa(b)

        ••ڂ^ϵKl(f)γɵ˶܅^(q)ֻ•ԭ•ĕrgg0.1롣

        Ӌ㣺 •̾xǶ

        ֪v = 340 / s, t = 0.1 s

        s

        ⣺sv t / 2 = 340 / s 0.1 s / 2 s = 17

         •̾x17

        2

        ׺Wͬrl(f)҂ȿҊW •ʲôٱ•ٿ

        W(xu)ӽY(ji)M(jn)cu

        O(sh)Ӌ

        һ•F(xin)

        һ(ji)•Įa(chn)c

        һ•Įa(chn)

        •wӮa(chn)

        •Ă

        1.•|(zh)ղ܂•

        |(zh)܉•|(zh)

        2.•н|(zh)ж•ʽ

        3.•

        1•ÿ(ni)ľx•

        2•ٹʽv=s/tvʾ•نλ/sxÿ룩sʾxλǣףtʾrgλs룩

        3•ڹwҺwбښwЂÿ

        415r՚е•ٞ340/s

        4.•˶܅^(q)ֻ•ԭ•ĕrgg0.1 •̾x17 

        ̌W(xu)СY(ji)

        СY(ji)(ji)(ni)_Ŀ(bio)(qing){(dio)yc

        I(y)O(sh)Ӌ

        1.քXW(xu)е1345.

        2.׾(x)(yng)ă(ni)ݡ

        •Įa(chn)c̰4

        (ji)njW(xu)|ĵһ(ji)ڽ̲ԼԺ̌W(xu)жepصĵλܷͨ^@(ji)nČW(xu)(x)׌W(xu)w֪R҂߅W(xu)l(f)W(xu)W(xu)(x)

        dȤ͏(qing)ҵ֪B(yng)W(xu)֌^^w{Y(ji)̽R(chung)Rͳɞ@(ji)nҪQĆ}˸õͻyc䌍n(bio)ľڽ̌W(xu)ϰl(f)D(zhun)׃

        1)֪R،W(xu)l(f)չD(zhun)׃;

        2)ؽ̡̎،W(xu)W(xu)D(zhun)׃;

        3)ؽY(ji)^D(zhun)׃

        wwF(xin)Žׂ棺

        һ (chung)O(sh)SĽ̌W(xu)龰

        dȤõώֻгֆW(xu)ČW(xu)(x)ǻۻӵķeOʹW(xu)W(xu)(x)ɞW(xu)(x)׌nóMͳɞO(sh)Ӌcڽ̌W(xu)^Є(chung)O(sh)̌W(xu)龰һͨ^ؐҵĵ彻\ͬrչʾc֮һµ•DBؐҵƽ׌W(xu)•l(f)W(xu)W(xu)(x)dȤ;ͨ^һЩȤİl(f)•F(xin)󡢽BĻԭ֪R׌W(xu)M(jn)һӰl(f)•cl(f)ȻF(xin)ČW(xu)(x)оdȤ;ͨ^}롪ýY(ji)Փᆖٲ롪ٌĽ̌W(xu)^(do)W(xu)УĶǶM(jn)м(x)оwƌW(xu)̽һЩ

        ע،W(xu)Hw

        W(xu)njW(xu)(x)wÿW(xu)ֻͨ^Լ(ֵۡ)ȥԼxԼԼ^졢˼֪R@DŽe˲ܴҲDzܸ׃˽Y(ji)W(xu)Ƶc^͌O(sh)Ӌһ̎ʾW(xu)һԌW(xu)h(hun)(ji)һͨ^W(xu)l(f)l(f)•ȥĦ^ól(f)•w@һY(ji)Փ;ʾ⏵Č׌W(xu)ͨ^^ͱ^ó•ĂҪ|(zh);njW(xu)(j)}O(sh)Ӌ򞲢Lԇw{ýY(ji)Փ;׌W(xu)ԌW(xu)•@һ֪R໥ϵwW(xu)(x)؞ڽ̌W(xu)ʼKDʹW(xu)Լ'ݔɞҪĽ̌W(xu)(ni)YԴɞ̌W(xu)ӵͬrͨ^ϵwW(xu)(x)׌W(xu)ܵl(f)F(xin)}Q}ϲw򞵽W(xu)(x)ĘȤB(yng)W(xu)Č?zi)̈́?chung)R

         (qing){(dio)W(xu)ĺW(xu)(x)

        һλƌW(xu)10rgM(jn){(dio)飬֪W(xu)(x)ķ֪Rh(yun)̭?{(dio)Y(ji)c̎˽̌W(xu)^̲HHһJ(rn)֪^ҲһW(xu)W(xu)(x)ͺ^̡ڃɂW(xu)򞼰_չʾͨ^ͬW(xu)(x)СMgĶγȫ๲ͬW(xu)(x)ĄӑB(ti)MwW(wng)j(lu)Y(ji)(gu)M(jn)ˎ֮gW(xu)֮gW(xu)СM֮g(f)ͨӴεϢ@Nȫλ໥໥W(xu)(x)УW(xu)HW(xu)֪RͷҌW(xu)˱˴gąf(xi)ͬrҲB(yng)ͬW(xu)g໥ͬ̽ĈF(tun)꠾

        ֮ͨ^(ji)nŬ׌W(xu)wЌW(xu)(x)ڻЌW(xu)(x)ѬЌW(xu)(x)ʹɞW(xu)(x)ˡnõ

        [̌W(xu)Ŀ(bio)]

        1֪Rc

        1)֪•wӰl(f);

        2)֪•Ҫ|(zh)•ڲͬ|(zh)ЂٶȲ֪ͬ•ڿ՚еĂٶ;

        2^c

        1)B(yng)W(xu)^򞡢˼S;B(yng)W(xu)Փ“(lin)ϵH;

        2)B(yng)W(xu)ԌW(xu)ZԱ_(d)֪R;

        3БB(ti)crֵ^

        1)M(jn)gл_(d)ͬӑՓͬcͬLԇǢĽ̌W(xu)Շ;ͨ^W(xu)̽B(yng)ͬW(xu)g໥ͬ̽ĈF(tun)꠾;

        2)ͨ^ĄW(xu)đLԇͬČ򞷽ͽQ};B(yng)W(xu)Ą(chung)R;

        3)ͨ^eȻаl(f)•׌W(xu)w֪R҂߅l(f)W(xu)W(xu)(x)dȤ;

        [̌W(xu)c]

        W(xu)ƌW(xu)̽^̵w򞣬wКw{Y(ji)Y(ji)Փ

        [̌W(xu)yc]

        ͨ^W(xu)O(sh)Ӌ򞡢đLԇB(yng)W(xu)̽R̈́(chung)R

        [̌W(xu)Y(ji)(gu)]

        (chung)O(sh)龰(do)Ŀ(bio)̽`w򞡪_(d)Y(ji)w{

        [̌W(xu)ģʽ]

        ӡ򞡱̽ģʽ

        [̌W(xu)x]

        1)̎ʾȫ

        2)W(xu)

        3)ýwDƬģ

        •Įa(chn)c̰5

        ̌W(xu)Ŀ(bio)

        ֪Rc

        1.֪•wӮa(chn);

        2.֪•Ҫ|(zh)ԼwҺww܉•Ľ|(zh);

        3.֪•ٸ|(zh)ķNͽ|(zh)ĜضP(gun)

        ^c

        1.\^͌̽•a(chn)Č|(zh)Լ̽•ӂ

        2.ͨ^W(xu)(x)B(yng)W(xu)^?zi)ͿƌW(xu)ʹW(xu)ճо}ķ

        БB(ti)crֵ^

        1.ͨ^̌W(xu)Ўӣl(f)W(xu)ČW(xu)(x)dȤ͌ƌW(xu)֪B(yng)X̽ȻF(xin)ճеԭĿƌW(xu)B(ti)

        2.ͨ^ͽB(yng)W(xu)Ӆcc˺ľ

        cyc

        c:

        1.•wӮa(chn)

        2.•ĂҪ|(zh)Լ•Բʽġ

        3.•c|(zh)NԼ|(zh)ضP(gun)

        yc:•ڽ|(zh)•ʽ

        ̌W(xu)(zhn)䡿

        ̎(zhn):ýwnģмʢˮğC(j)[

        W(xu)(zhn):ƬƹˮСKVƿ•оƬ

        ̌W(xu)O(sh)Ӌ

        (chung)O(sh)龰}

        (1)̎ȻԼгҊijЩ•

        :•ƬΡS늺•еBZյs•ٲ•

        ̎ᆖ:ͬW(xu)ゃ Ŷʲô•?Щwڰl(f)•?

        W(xu)ش

        ̎:ı(ji)n_ʼ҂оȻ•P(gun)֪RͬW(xu)Լ֪P(gun)•Щ֪R?

        W(xu)ش

        ̎ٝp϶ͬrxժ䛌W(xu)Ć}_(ji)nо}njW(xu)Ć}еijׂfĆ}ԺČW(xu)(x)u̽ҲnȥYԼо

        ̎_̌W(xu)оĿ(bio):

        (1)•Ӯa(chn)?

        (2)҂?ni)˶ •?

        (3)•ӂ҂?

        (4)•Ŀ

        ̽Իһ

        @^̷֞EM(jn):̽ԻӡСY(ji)

        1.̽Ի

        MW(xu):ϵ׌l(f)•ȱȿlķlİl(f)•Є(chung)⣬Bϵģ؄e

        ^ҪW(xu):

        w:׌wl(f)•|l(f)•wrՈwX

        ˼:

        wl(f)•rcl(f)•rʲôͬ?

        wl(f)•rʲôͬ?

        :ϵоΰl(f)•̎cӑՓȻ̎ՈW(xu)_оY(ji)صİl(f)•ٝp͹Ą}ԼҊ

        ͬw:Լ•fһԒwϵĸXfX

        W(xu)óY(ji)Փ:ӵwܰl(f)•

        }:Dzwl(f)•һ?

        ˼: •sҊӵӣʲôkCӵ?

        ʾ:

        }:ӆ?Cܷ׌˸ܵ?fķ

        ʾ:Ó

        }:ʲôkC?

        ܷ񿂽Y(ji)һNCyXwӡķ?

        2.СY(ji):ϸJ(rn)RĻA(ch)ϿY(ji)wl(f)•ԭwl(f)•w

        3.:wİl(f)•F(xin)̫ͬW(xu)BһЩ^صİl(f)•?gȤĽʽ

        f:

        1.W(xu)İl(f)•_ŵĻʽʽM(jn)̎ڌW(xu)ĽRБ(yng)Mܶ׌W(xu)չʾl(f)•Rw͸W(xu)Ѱl(f)•|ˮɼˮØ~l(f)•ȣ(yng)ԓĄ׌W(xu)ڬF(xin)Кw{}ı|(zh)W(xu)܌ϵM(jn)Ќ̎һʾʾ

        2.Ȥİl(f)•rW(xu)y{(dio)ӣ̎Ȥİl(f)•}׌W(xu)ӑՓ

        لİl(f)•:sôl(f)•?Ӻnωl(f)ˡ•ô?Ӻʹôĵȵ

        ͬһwͬİl(f)•:׌һl(f)ͬ•?w•߀Ӱl(f)•?ܷһԇ?׌W(xu)ӑՓl(f)ӌW(xu)W(xu)(x)dȤ

        ̽ԻӶ

        龰(chung)O(sh):t(y) \Kӻ߷β•ǿʲô˶е?

        :•ĂҪʲô|ý

        εСCһIJ롣҂n(dng)•@Ҫṩʲôl?(“(lin)t(y) w\ӵėl)β?W(xu)ӑՓش̎Ҳʾ:l(f)•w(Դ)˶(w)g•w(n)

        :ɂW(xu)һW(xu)pץһW(xu)ѶN  •ٰуɏӷ_һlpM(jn)Ќǰ󌦱ȡ

        ϵĻԵóʲôY(ji)Փ?(wԂ•)߀ߌ򞷽ֹ֧wԂ•@^c?(׌W(xu)eСW(xu)(jng)Ԓж)

        }:ôҺwǷҲԂ•?

        ӑՓ:ܷϵO(sh)ӋһεСwһ?õ˿϶Ĵ𰸣ܷeһЩC^c?(·˽膖bµ~@(yng))

        @r׌W(xu)ϵM(jn)O(sh)Ӌ̽O(sh)Ӌ^̎׌W(xu)չw•С}:ʲôl(f)•w^?•ʲô?ԓѰl(f)•wʲôط^m?

        :O(sh)ӋԺW(xu)ϵM(jn)Ќ̎o(do)׌W(xu)e

        }:՚Ԃ•?eŒf •; ˵fԒ•; Ҋ_•;ȵ

        M(jn)һ:B՚ⶼ]?•ܲ܂?C@룬ԇһԇ

        “(lin):һ\ߣһ@?ӌF(xin)]п՚ĠB(ti)?W(xu)Ȼ“(lin)뵽Ҫṩһյĭh(hun)Ȼһl(f)•w(С)@ӵĭh(hun)ǰ󌦱˼·ڌĵľ@ɽ̎ʾ׌ɂW(xu)_oW(xu)M(jn)^쌦:

        (1)ȥ՚ǰͳ•Čȡ

        (2)ͨwɷNr•Črmև`ó•Ђ_Y(ji)Փ

        (do):ͨ^@һεČW(xu)(x)ͬW(xu)•ĂӵJ(rn)RܲՈԼZԚw{һ

        W(xu):•Ҫ|(zh)•Ђ•|(zh)ǹwҺww

        •

        }:•ڿ՚΂?

        ýwʾˮ\

        }:1.lһ㿴Ҋʲô?(һȦȦˮҲܔU(ku)ɢ)

        2.ˮϞʲôF(xin)ˮ?

        3.һӲ׌l(f)•?

        W(xu)w:ֱ𼈵ӣl(f)•

        }:1.Ӱ푵܇Ŀ՚?

        2.ˮʹˮӣl(f)•ˮʽ;ӵļl(f)•ڿ՚Еʲôʽ?҂ɲˮһ?

        Ŷýw•Ӯ׌W(xu)гJ(rn)R•@

        W(xu)xn˽˶ •^

        •Լy

        龰:ЕrӰ￴Ҋ@ӵĮ棬݆TĿc^ Ԓͬһrg •Ҫ݆TĿ@f•ĂҪһĕrg҂•ÿ犂ľx•

        ýw@ʾ:•ٱٵϤ•ڿ՚ˮFеĂٶ

        }:һյLFܵһ^һ£һ^ ״•?(f)Ҫһ^ Ó•ԓô?

        W(xu)˼ش˼^w•ٶcrgP(gun)ϵ

        f•ٲHc|(zh)ķNP(gun)߀c|(zh)`ضP(gun)

        }:҂֪•ҜؠB(ti)¿՚еĂٶ(yng)ԓôk?f򞷽

        (do):Ҫy•֪Щ?(zhn)ʲôkQ@Щ?ҪõЩ?

        MW(xu)ӑՓҪÿMһy•ٵķ

        W(xu)ӑՓ

        f:O(sh)ӋĕrҪע⌍򞷽Ŀ•Դx˶ľxm(dng)^yrgĹҲMܜ(zhn)_(dng)ȻW(xu)F(xin)NӵČ򞷽ֻҪԭî(dng)(yng)ԓoĄ

        •

        }:

        1.ɽ´һ•l(f)ʲôF(xin)?

        2.@NF(xin)a(chn)ԭʲô?

        ɴ•ĸ

        }:ҵĉһ•л•a(chn)?

        W(xu)ӑՓ: •ėl

        W(xu)Y(ji):1.•_(d)˶(yng)ԭ•0.1 s

        2.0.1 s•ԭ•һʹԭ•ӏ(qing)

        ˼:1._ɽڕrʲô ¡¡^•?

        2.fԒʲôڕҰ ?

        ýwš쉯•W(xu)

        ýwչʾdٷĈDƬ

        ˼:ʲô@ӵĽY(ji)(gu)?

        W(xu)҉ڵĘ(gu)죬xn˽•ܛ׵wա

        nСY(ji)

        ׌W(xu)Y(ji)(ji)W(xu)ă(ni)(öýwo)

        1.•Įa(chn)͂

        2.֪•ټP(gun)đ(yng)

        I(y)

        1.(f)(x)n•ٵĺx

        2.nP38-39:I(y)1-6}

        ̌W(xu)

        һ(ji) ƌW(xu)̽:•Įa(chn)c

        1.•Įa(chn):•(sound)wӮa(chn)

        2.•Ă:•|(zh)wҺwwԂ•ղ܂•

        3.•Ŀ:՚(15 )•340 m/s;•ڹwЂÿҺwд֮ښw

        4.•

        ̌W(xu)˼

        @(ji)֪Rc¹(ji)^P(gun)IҪڽ̌W(xu)B(yng)W(xu)ČW(xu)(x)ný̌W(xu)ҪB(yng)dȤl(f)c呟˼SO(sh)Ӌ(chung)O(sh)龰(do)W(xu)Ӆcný̌W(xu)mrؼl(f)W(xu)Ą(chung)ͨ^ný̌W(xu)W(xu)nυcķeOԺ܏(qing)ͨ^ǰɴΌČ(x)΢@оӡ̽|(zh)}r߀Ҫע䁉|׌W(xu)fķͲEҪǡ(dng)?sh)O(sh)_Amr(do)׌W(xu)XÌ^ԼO(sh)Ӌl(f)W(xu)ķeO

        •Įa(chn)c̰6

        ̌W(xu)Ŀ(bio)

        1ͨ^^͌J(rn)R•a(chn)͂ėl

        2֪•wӰl(f)

        3֪•Ҫ|(zh)•ڲͬ|(zh)ЂٶȲͬ

        ̌W(xu)yc

        ̌W(xu)c•a(chn)ԭ򼰂

        ̌W(xu)yc̽ղ܂•û•Ӌ

        ̌W(xu)

        ƤֱСK

        ̌W(xu)^

        һ(do)n

        WQĘRQűڡиľС޵Ȯ

        [Z]Ąſ@ЩF(xin)Уf˂ؕr͟oro̲c•򽻵•҂вȱٵһ҂Ϥİôゃ벻ώһ̽ӑ•ĊW?W(xu)ش

        ҂ͬ̽ӑc•P(gun)Ć}

        ^

        ֱ^Į愓(chung)O(sh)•a(chn)龰l(f)W(xu)֪ĶČ(do)n

        ̽

        1)̽•Įa(chn)

        ͬW(xu)СMλÜ(zhn)ļ܇õwUPСPȁk׌l(f)•ȱȿһMķ?ע^wl(f)•cl(f)•rʲôͬ?wl(f)•rʲôͬ?һMȰl(f)F(xin)?

        Ѳҕָ(do)W(xu)̎ܳF(xin)Ć}

        òͬwM(jn)аl(f)•̽аl(f)F(xin)}W(xu)еLƤеē܄ӳеĴеēuСKȵԼO(sh)ӋČdȤȻ

        [Z]F(xin)вٽMͬW(xu)l(f)F(xin)}҂ͬһ

        СMͬW(xu)Ƿͬӵİl(f)F(xin)?߀Щ?W(xu)

        ͬW(xu)شĶܺãڄXѲͬĽY(ji)ʹúܺ׌҂һθ•Įa(chn)ְס^•fӡ

        •a(chn)ĬF(xin)ܶͬW(xu)“(lin)ϵHеwΰl(f)•?

        ͨ^СMgĽĺRͬrҲl(f)F(xin)•Įa(chn)ԭ䁉|W(xu)ڽroW(xu)ĕrgͨ^ĽMܶͨ^ҲͲyó•a(chn)ԭ׌w̽Ŀ옷

        ׌W(xu)һθ•Įa(chn)wӮa(chn)ġ

        2)

        ͬW(xu)شĶdzl֪sӰl(f)•?

        [˼]ծ(dng)յɳĮе߳ 顱ʕ@rҶ@ֵſڵ϶ԭɳĮĚس^42棬ɳĮеʯ?gu)rܟÛһ̶Ⱦ͕ըF(xin)֪•āĆ?

        Еr҂Ҫ•ӛôk?W(xu)xn31

        (2)•Ă

        վv_fԒゃ Ҋ•ǿʲô?

        ͬW(xu)˼wܷ•?O(sh)ӋCIJ

        wwԂ•Һwܷ•?

        ʾbС~'~ףp~~ķ(yng)fҺwҲԂ•

        ʾղ܂•ČY(ji)w{•ĂҪ|(zh)ղ܂•

        [}](zhn)̖̫մ̖У ̖Zһ•ը̖TЦXÿƌW(xu)?

        ȦˮƽρƄԿ׃Ķ•W(xu)n33_••ʽڽ|(zh)Ђ

        죬҂ȿW늺 •@Ǟʲô?

        •ĂҲҪһĕrg•һٶͬW(xu)ͨ^33СYϵı񣬿ԫ@ЩϢ?

        (1)һfw•Һw֮w

        (2)•c|(zh)ķNP(gun)

        (3)ڿ՚•ٵĴСcضP(gun)

        ڽfԒڕҰ ʲô?

        W(xu)ش•ٶ

        W(xu)м(x)ӑՓȻ@õϢ

        ͨ^е•

        ͨ^W(xu)@ϢߌW(xu)}

        ͨ^е׌W(xu)•

        w֪

        W(xu)•a(chn)ėl•ėlԼʽ•ٵĴС W(xu)ϵy(tng)֪R

        ģ֪Rչ

        n3412345 W(xu)ɾ(x)

        nСY(ji)

        ͬW(xu)ゃ(ji)nʲôի@Ͳ֮̎?

        W(xu)l(f)

        I(y)

        ӡ}һ

        •Įa(chn)c̰7

        һ̌W(xu)Ŀ(bio)

        ֪RcĿ(bio)֪•Ӯa(chn)ĂҪ|(zh)ղ܂•

        ^cĿ(bio)ͨ^^͌ķ̽•Įa(chn)cԭB(yng)^о}ķ

        БB(ti)crֵ^Ŀ(bio)ͨ^p߅Ľ̌W(xu)ӣwČóY(ji)ՓB(yng)ǵĿƌW(xu)B(ti)l(f)W(xu)(x)dȤ̽ȻF(xin)ճеW(xu)

        ̌W(xu)yc

        cһаl(f)w•ĂҪ|(zh)

        ycڿ՚•ܲʽ܂

        ̌W(xu)^

        (һ)n(do)

        ҕlչʾһMɽˮxQB푘•sĮĽ_ʼ҂һW(xu)(x)•F(xin)ԃW(xu)P(gun)•F(xin)ͬW(xu)֪Щ֪R?

        A(y)O(sh)@Щ•ôa(chn)?ӂ҂Ķ?•βMͬ?ʲôе• е•s•ȵȡ

        ҂@(ji)ńо•Įa(chn)cеIJֆ}Խ((bio)})

        ()̽W(xu)(x)

        1.•Įa(chn)

        W(xu)Сӣʹ߅ıMܶwl(f)•

        ӕrע^wl(f)•cl(f)•rкβͬ?cͬӑՓl(f)•wӵĹͬ

        A(y)O(sh)жƤˮӣfԒȵȡ

        ͨ^Ȏw{•Įa(chn)|(zh)ڄ̎v@|(zh)@λÁ\W(xu)зQ֮Ҳfڰl(f)•wֹͣtl(f)•ֹͣ

        ᆖôаl(f)•wӆ?

        ̽NÓ棬ՈͬW(xu) ^ Ę•yl(f)•wǷβ^?̎BһõkF_‘һֻƹ氤ƹȲÓÓrƹĠB(ti)l(f)F(xin)ÓroֹÓr@

        ˼ƹʲôr?ʲô?ՈW(xu)ԇfһf

        ͨ^^֪ÓrӡÓrl(f)•ӣpƹr@NѲɿҊD(zhun)ԿҊƹW(xu)ϷQ@Nо}ķD(zhun)

        ՈͬW(xu)˼߀ʲôCA(y)O(sh)ͬW(xu)ˮϺ۵ՈW(xu)ֲ^F(xin)ԭ(ˮȲÓÓrĠrɿˮĞRԭǰl(f)•IJӣˮЕʹˮl(f)ˮҲD(zhun))

        ̎v⣺ƌW(xu)˴Č򞣬һаl(f)w҂ڰl(f)•w•Դ

        a(b)СYϣڵęC(j)еƬl(f)•ԭl(f)•wӛҪr׌wӛҎ(gu)ȥӣ@a(chn)cԭһӵ•@ӾͿԌ•

        •Ă

        •ǿӰl(f)•ô•Դa(chn)•΂˶?

        ʾ򞣺•ɂͬAcBһξxA濿oֹҒƹÓBl(f)F(xin)ƹҲ

        ᆖB]cƹ|ʲôlӂoA?

        ó֮gֻп՚(yng)ԓǿ՚•

        ᆖǿ՚ӂ•?

        ̎cܣԭÓrɲͣ܇Ŀ՚γgIJh(yun)̎γ••Բʽ_(d)҂Ķ ƽr҂?ni)c˵Ľǿ՚•.

        ֻп՚܂•?߀֪ʲôԂ•?ͬW(xu)ՈČ򞿴fʲô}

        Úһ֙C(j)_ҵͰ@ ՚ͰעˮՈW(xu)^첢 Ƿ߀ǿ •@һF(xin)fʲô}ʲôԂ•

        Y(ji)Փɂքef՚ǚB(ti)ˮҺB(ti)܂•

        ᆖǹ̑B(ti)|(zh)Ƿ܂•?ʲôwf?

        A(y)O(sh)^ֱͨ^^ָ߄ӵ•;Ԓ•м(x)Bӿ ]м(x) Ҋf(x)Ԃ•

        Y(ji)ČһКwwҺw|(zh)•

        ᆖ˼Л]в܂•ĵط?

        A(y)O(sh)ϣTʹܽҲҪͨ^o늁Մ@ϛ]п՚ҲՠB(ti)܂•

        ʾ򞣺Сoղ܂•⏵[犷ڲփ(ni)늄ӳC(j)uĿ՚ע•׃(do)փ(ni)գͲ •Ȍ׌՚uM(jn)벣ע•׃

        Y(ji)•ĂҪ|(zh)•Ľ|(zh)ǚwwҺwղ܂•

        •

        •ĂҪ|(zh)•ĂҪrg?

        F(xin)Q҂ȿҊW •@Ǟʲô?

        ӑՓó•ĂҪrgҲf•һٶȡ

        ̎v⣺҂•ڽ|(zh)еĂٶȷQ•ĴС•ÿ(ni)ľw•ٵĴС|(zh)ķN͜ضP(gun)

        չʾppteһϵ•ڽ|(zh)еij{ٶՈͬW(xu)м(x)^씵(sh)(j)кΰl(f)F(xin)?

        Կһr£•ښwеĂٶСҺwwеĂٶՈW(xu)ӛס•15՚еĂٶ340m/s

        (do)ͬW(xu)“(lin)ϵHһͬW(xu)ɽgȺ•ʲôٶ?(340m/s)^һ͕ Bm(x)•@ʲôF(xin)?

        ̎v⣺@ǻ•F(xin)Z•ϵKķF(xin)

        ᆖƽ˂vԒr] •ʲôr҂ Ҋԭ•ͻ•?

        ̎v⣺(dng)ϵKx^h(yun)rl(f)•(jng)^0.1sص߅˂ܰѻ•cԭ•^(q)_;(dng)ϵKx̫r•ܿ췴؁•cԭ•һ˶yԷֱǕX•

        չСYϣ•F(xin)˜y•֮߀кܶ(yng)ڽW(xu)҇쉯Ļû•ut(y)W(xu)ϼO(jin)yI(y)ӹm܊•{̽yȵ

        ()(yng)

        ƌW(xu)Ya(b)䣺҂ô •ġn֪^̾•Ĥ@N̖(jng)^ СǼMo X(jng) X(jng)̖oX˾ •@^κβְl(f)ϵK˶ʧȥ Xֻǂ(do)ϵKkͨ^;Ӯa(chn)̖fo X(jng)˂Ҳܸ֪••ͨ^^MҲ܂f X(jng) XƌW(xu)ϰ•@N(do)ʽǂ(do)ǂ(do)(yng)ڹI(y)͑(zhn)ùǂ(do)ԭƳɵ C(j)еõˏV(yng)

        W(xu)֪Rco“(lin)ϵ׌҂Ї@磬츣҂׌

        (x)}얹̣NLFܵһ׌һһFܵһ ״ô•?Ոfеĵ

        ()СY(ji)I(y)

        СY(ji)•Įa(chn)ԭc

        ˼ɂ}ʲô҂ gӵ•?ȻwЕrҲӣ҂s ӵ•@Ǟʲô?@ɻA(y)(x)һ(ji)nă(ni)ݣԇҴ

        •Įa(chn)c̰8

        nr1nr

        ֪Rc

        1֪•wӮa(chn)

        2֪•Ҫ|(zh)ԼwҺww܉•Ľ|(zh)

        3֪•ٸ|(zh)ķNͽ|(zh)ĜضP(gun)

        ^c

        1\^͌̽•a(chn)Č|(zh)Լ̽•ӂ

        2ͨ^W(xu)(x)B(yng)W(xu)^?zi)ͿƌW(xu)ʹW(xu)ճо}ķ

        БB(ti)crֵ^

        1ͨ^̌W(xu)Ўl(f)W(xu)ČW(xu)(x)dȤ͌ƌW(xu)֪B(yng)X̽ȻF(xin)ճеԭĿƌW(xu)B(ti)

        2ͨ^ͽB(yng)W(xu)Ӆc˺ľ

        ̌W(xu)c

        1•wӮa(chn)

        2•ĂҪ|(zh)Լ•Բʽ

        3•c|(zh)NԼ|(zh)ضP(gun)

        ̌W(xu)yc

        •ڽ|(zh)•ʽ

        ̾

        ̎C(j)Ѓٲ•ɰ݆cĦ•Q•

        ü(x)Ғĭ

        (j)rҕC(j)ӰC(j)VCDPҕr

        ~ʢˮIJˮۡ

        W(xu)ƤС䓳һЩܰl(f)•w

        nǰӣ

        ڽ҃(ni)ƓP(chung)O(sh)龳

        (do)n

        eȻSʵ•ĿȾJ(rn)R

        һϵһ•F(xin)мl(f)dȤ

        P(gun)Ć}ɴˌ(do)n

        M(jn)n

        һ•Įa(chn)

        1ָ(do)Dͬr񡪡•鲢ï

        2w{ͬc̽(ni)ݣB(yng)w{

        3W(xu)̽•Ӯa(chn)ģƤӡ䓳ߡ•СġС茵ȣ

        _Ŀġ򞷽

        ע،^еĸNF(xin)ܚw{_(d)

        ^˼ӑՓeְl(f)

        4(do)̽ķ

        }M(jn)мO(sh)̽w{Y(ji)Փ

        •'

        1̽ӂ•w܉•

        2՚• wC(j)•

        3⏡ʾ]п՚⡱أ

        4ӵ漤•˶

        ָ(do)W(xu)ԌW(xu)hh

        5ʾҺw•

        l(f)•T⏷ˮУ߀ •

        F(xin)ˮе~ܱ˵fԒ_•

        6׷N|(zh)•٣

        J(rn)Rӛס<15r՚е•ٞ340m/s

        yucСY(ji)

        1СӖ(xn)СyԇrÎͬuv

        2ՈW(xu)W(xu)(ni)СY(ji)B(yng)ɚw{֪R(x)T

        I(y)

        n󡶄քXW(xu)

        O(sh)Ӌ

        һ•F(xin)

        һ(ji)•Įa(chn)c

        һ•Įa(chn)

        •wӮa(chn)

        •Ă

        1•|(zh)ղ܂•

        |(zh)܉•|(zh)

        2•н|(zh)ж•ʽ

        3•٣

        1•ÿ(ni)ľx•

        2•ڹwҺwбښwЂÿ

        315r՚е•ٞ340m/s

        •Įa(chn)c̰9

        W(xu)(x)Ŀ(bio)

        ֪RĿ(bio)

        1w•Įa(chn)ġ

        2I(lng)•Ҫ|(zh)

        3֪•ڲͬ|(zh)ЂٶȲͬ

        Ŀ(bio)

        1B(yng)ܳW(xu)Ŀĵ^

        2óҊM(jn)Ќ̽F(xin)ռЧϢ(j)Ϣw{ƌW(xu)Ҏ(gu)

        3ڌW(xu)(x)^I(lng)Q};ͿƌW(xu)оһ㷽

        Ŀ(bio)

        1Ȼ•cȤl(f)ĺ֪

        2B(yng)F(tun)Y(ji)c˽ԼҊľ

        3J(rn)RƌW(xu)ČHxB(yng)ۿƌW(xu)̽R

        W(xu)(x)c

        •a(chn)ԭ

        •ĂҪ|(zh)

        W(xu)(x)yc

        ̽w•y•١

        ̾cýw

        һֻһмһֻC(j)һ_[һֻһֻ

        W(xu)MģƬƤĿպ棨СN䣩~~Ƭһףʢˮ׉Kʯ^

        ̌W(xu)

        (ni)c̎

        W(xu)

        O(sh)Ӌ(j)

        һ(chung)O(sh)龰n

        ̎ƺȻԼгҊijЩ•磺•ƬS늺•еBZյs•ٲ•

        ̎ᆖͬW(xu)ゃ Ŷʲô•Щwڰl(f)•ͬW(xu)ش

        ̎ı(ji)n_ʼ҂оȻ•P(gun)֪R

        ͬW(xu)Լ֪P(gun)•Щ֪R

        ňW(xu)

        ՌW(xu)Ć}ώY(ji)4ȻM(jn)̽@^̷֞EM(jn)У̽ԻөСY(ji)C

        һl(f)•w

        1^P(gun)ҕlʲô•F(xin)

        2MW(xu)ӣϵ.ģ׌l(f)•ȱȿlķlİl(f)•Є(chung)Bϵ؄e^ҪW(xu)w򞣺׌wl(f)•|l(f)•wrՈwX

        ˼1wl(f)•rcl(f)•rʲôͬ

        2wl(f)•rʲôͬ

        3ͬw򞣺Լ•fһԒwϵĸXf

        }Dzwl(f)•һ

        ʾġӆCܷ׌˸ܵfķ

        ô •sҊӵʲôkCӵ

        ܷ񿂽Y(ji)һNCyXwЩ\ӡķ

        ^ҕlYϣĬF(xin)

        СY(ji)ϸJ(rn)RĻA(ch)ϿY(ji)wl(f)•ԭwl(f)•w

        •̽Ի

        1}ҵvn•ӂĶ

        2՚ǚwôҺw܂•᣿

        3wDzҲ܂•أ

        򞣺һ׃(ni)ʢˮÃɉKʯ^ˮײҲ ײ•һڏVC(j)ϴbü(x)ˮˮУ՘Ҳ C(j)•

        Y(ji)ՓwҺww܂•܉•Ľ|(zh)

        4(do)W(xu)ЩС

        ӵÕ򞣺oNһͬW(xu)ӵһÓĦ •

        5^ҕl•Ă

        ••rγɵIJcˮƣ

        6܂•

        ׌W(xu)^֌

        ˼}ϛ]п՚TM(jn)н

        •

        1}•ĂҪrg᣿

        2xͬăɂ҂ •DzͬX̎l(f)•

        3(do)W(xu)x̲еĎ׷N|(zh)е•

        ҳÕ|(zh)Y(ji)һض£w•СҺw•Һw•Сڹw•

        4ӛס15r՚е•340m/s

        5y•

        ҂•ڲͬ|(zh)еĂٶȵIJͬ҂܉yrgͿӋ•@N|(zh)еĂٶˡ

         

        W(xu)

        1•Ӯa(chn)

        2҂?ni)˶ •ģ?/p>

        3•ӂ҂?ni)˶ģ?/p>

        4ʲôе• еąsy 

        W(xu)

        ͬ

        ׌W(xu)ش

        ^ҕl

        ͨ^՚

        ׌W(xu)eһЩwҺw܂•

        •Įa(chn)c̰10

        ̌W(xu)Ŀ(bio)

        һ֪RĿ(bio)

        1ͨ^^͌J(rn)R•a(chn)͂ėl

        2֪•wӮa(chn)ġ

        3֪•Ҫ|(zh)•ڲͬ|(zh)ЂٶȲͬ

        Ŀ(bio)

        1ͨ^^͌򞣬̽•ήa(chn)•΂ĶB(yng)W(xu)о}ķ

        2ͨ^W(xu)(x)呟W(xu)^

        Ŀ(bio)

        1ͨ^̎W(xu)p߅̌W(xu)l(f)W(xu)ČW(xu)(x)dȤB(yng)W(xu)ƌW(xu)ğʹW(xu)̽ȻF(xin)ճеW(xu)

        2עڻB(yng)W(xu)cͬW(xu)R

        ̌W(xu)c

        ͨ^^͌̽•Įa(chn)͂

        ̌W(xu)yc

        Mָ(do)W(xu)̽^м(x)^졢J(rn)ܵó_Y(ji)Փ

        ̌W(xu)

        ̽ӑՓ򞷨^취

        ̌W(xu)þ

        Ƥϳߡ܊ġС١[гC(j)IJ֡ͶӰxҕC(j)C(j)

        nr

        1nr

        ̌W(xu)^

        һ(chung)O(sh)}龳n

        ێ҂M˸N•(yu) ұ٣oľ•ɰ݆ĥ•ʹ˸е̶y ڵҹ•ɵ•˴ҰV韵ҹool(xing)ҹɫһ҂ɉصǕr͟oro̲c•sound򽻵•oro̎•҂˽܇@ȡϢҪͬW(xu)֪c•P(gun)Щ}

        ף•Ӯa(chn)

        ң•ڿ՚܂ڹwҺw܂

        •܂

        •ڲͬ|(zh)ЂĿһӆ

        ێͬW(xu)•@ӝdȤ@׌ҸdҪ֪@Щ}ĴҪͬW(xu)ώͬf(xi)һһϵе̽Ӻʾ

        M(jn)n

        ̽•Ӯa(chn)

        ێՈÿMxһλͬW(xu)Nʹwl(f)•ͬW(xu)м(x)^졣

        ףݰһƤo܄ƤƤӰl(f)•

        ңݰһֻϳ߉߅ʹһ֓܄ӳߵˣӰl(f)•

        ù颴 ē•

        ݓ܄СٵӰl(f)•

        @ҪȫwͬW(xu)һ£ՈͬW(xu)ָںY(ji)̎׌҂1(sh)10•l(f)•

        ێͨ^ͬW(xu)̽ӣY(ji)wl(f)•rĹͬ

        ףݴ܄wԮa(chn)•

        ң҂l(f)•r]дҲ]Г܄ӡ

        аl(f)•w

        ێͬӣ•Ӯa(chn)

        •wӣvibrationa(chn)

        ێݽ(jng)^҂ĹͬŬ•a(chn)ĊWر҂_i҂ijɹ 

        ݳڳɹϲwʮָߝq

        hh

        ێwӰl(f)•ĬF(xin)̫ͬW(xu)eȻһЩİl(f)•F(xin)

        ףݴٵ•ښě_ك(ni)ďƬl(f)Ӱl(f)ġ

        ңƓP_˹•ښͨ^ܕrʹ܃(ni)՚Ӷl(f)ġ

        ݴ•ǿǻ(ni)՚Ӯa(chn)

        ןsQsİl(f)տsrl(f)ĤӶa(chn)

        ݚը•ǚĤ܇՚Ӷa(chn)

        •ݺƴٲ•ˮײʯ^՚Ӱl(f)•

        Цܰl(f)Ц•ǹ⚤SС(jng)L(fng)һײڰl(f)•

        ێͬW(xu)ecȻSʵ•ܰW(xu)֪R(yng)õ`ȥ@ܺáP(gun)•İl(f)ͬW(xu)߀ʲôɆ

        ҂ƽ Ƭô

        ێͬW(xu)@}úܺáӿ԰l(f)•l(f)•wӛҪr׌wӛҎ(gu)ȥӣ͕a(chn)cԭһӵ•@ӾͿԌ•ƬһȦȦҎ(gu)tĜϲ(dng)ƬD(zhun)ӕrS^Ĝϲӣ@ӾͰӛ䛵•جF(xin)SƌW(xu)g(sh)M(jn)˂߀l(f)ôŎͼ⳪Ƭӛ•ķ

        ̽•ӏİl(f)•wh(yun)̎

        ێՈͬW(xu)đһ•ӏİl(f)•wh(yun)̎

        ף•ɰl(f)•wȥֱ

        ң•ȥҪʲô|ý顣

        ێՈͬW(xu)O(sh)ӋһCIJ

        ݰуɏnooذһһͬW(xu)pһһһͬW(xu)ѶNһһ ӵ•

        ێ݄ͬW(xu)O(sh)Ӌ'@򞺆f•ĂҪ|(zh)W(xu)а@ӵ|(zh)|(zh)medium

        Еr]н|(zh)Ҳ ••ƺ]ʲô|fѽێ•ĂҪ|(zh)

        Ҋз硣еJ(rn)鲻Ҫ|(zh)еJ(rn)Ҫ|(zh)

        ێ݌`ǙzΩһ(bio)(zhn)׌҂ͨ^Cҵ뷨

        һֻ⏵[犷ڽгC(j)IJփ(ni)óC(j)uеĿ՚Sփ(ni)՚ijՈͬW(xu)ע•ʲô׃

        Sփ(ni)՚ij•u׃Сֱ •

        ێՈͬW(xu)ע^죺׌՚uM(jn)벣փ(ni)•ʲô׃

        S՚uM(jn)•uӏ(qing)

        ێ݆l(f)W(xu)˼ČͬW(xu)ԵóʲôY(ji)Փ

        ղ܂•

        ێݽ(jng)^ͬW(xu)м(x)^J(rn)ͬW(xu)óղ܂•_Y(ji)ՓH҂ƽ ˴vԒ•˿՚@N|(zh)ƌӺ҂֮gҾ •҂܇M˿՚՚f•Ϣṩ˱l

        ϛ]п՚TôՄ

        ێϛ]п՚TʹߣҲֻͨ^o늽Մo늲Ҳ܂

        ۿ•ڿ՚еĂ

        •ڿ՚ӂأԓĞӕrs(c)Ŀ՚ʹ@ֿ՚׃ӕr֕ʹ(c)Ŀ՚׃ϡ衣治՚оγgIJh(yun)̎@^̺ˮĂһ֧UPpcˮˮ͕γһȦһȦˮh(yun)̎ˣ•ҲһN҂•sound wave

        hh

        ێͬW(xu)ѽ(jng)֪w͚wԂ•ô•ҺwЂ᣿ՈͬW(xu)ҳŒ?q)֧뷨?/p>

        ףӾӾˣˮוr ߅˵ՄԒ•

        ң~rҪ߅h(hun)İo

        ݝO񂃳Ӱl(f)•l(f)~ϲg•~T~W(wng)

        ݰ⏵[ϴˮ •

        ێͨ^̽ʾhh҂ѽ(jng)֪ˣwҺw͹wý錢•ȥô•ڲͬ|(zh)ЂĿһӆՈͬW(xu)xn15퓈D׷N|(zh)е•٣شІ}

        ͶӰ

        }1•15 25 Ŀ՚ЂٶȷքeǶ@f•ٸʲôP(gun)

        }2•25 Ŀ՚sˮЂٶȷքeǶ@f•ٸʲôP(gun)

        }3ȱеĔ(sh)(j)԰l(f)F(xin)ʲô

        ף15 r՚е•ٞ340 m/s25 r՚е•ٞ346 m/sf•ٸ|(zh)ĜضP(gun)

        ң25 r՚е•ٞ346 m/s25 rsˮе•ٞ1497 m/sf•ٸ|(zh)ķNP(gun)

        •ڹwҺwбڿ՚Ђÿ

        ێՈͬW(xu)ֽMӑՓÿMһy•ٵķMܵԒM(jn)ЌHyĂMķmyõ•ٸӽ(dng)r挍ֵ

        ێͬW(xu)O(sh)ӋķһĿƌW(xu)ԣףRͬW(xu)ɹO(sh)nͬW(xu)ͨ^y•٣͸

        ۄքXW(xu)

        1W(xu)Skf•

        1Ϲ̶һ^õļ(x)(x)픶˹̶һ(x)Bһp|(zh)Сôp|(zh)СҲS

        2һЩ鼈мô棬м

        3ַ(dng)ôrXf

        2ͨ^YϿ֪ϺF·xs1=1500 km܇ٶv1=105 km/h

        3 ɴô•һ•Fڶ •FеĿ՚

        СY(ji)

        (ji)n҂ҪW(xu)(x)ƒ(ni)ݣ

        1•wӮa(chn)

        2•ĂҪ|(zh)ղ܂•

        3•ڲͬ|(zh)е•ٲͬ

        I(y)

        P16քXW(xu)123I(y)

        •Įa(chn)c̰11

        ̌W(xu)Ŀ(bio)

        1ͨ^S••ԂfϢ

        2ͨ^^죬֪•wӮa(chn)ֹͣ•ʧ

        3 ͬİl(f)•J(rn)Rﲻͬİl(f)ʽ

        ̌W(xu)c

        ^Ͱl(f)F(xin)wl(f)Ĺ͚ͬw{wl(f)cӵP(gun)ϵ

        ̌W(xu)yc

        wl(f)rӬF(xin)ҕ

        ̌W(xu)(zhn)䡿

        ̎ϣӛ䛱̌W(xu)pptW(xu)ϣϴ䓳ߡƿĭмˮˮˮ

        ̌W(xu)rg

        һnr

        ̌W(xu)^O(sh)Ӌ

        һȤ(do)֪•ԂfϢ

        1.ՄԒͬW(xu)҂܇ÿиNӵ•S҂⏵•V҂nе̎•׌҂һ һ @Щʲô•fʲôϢ

        2.l[•܇?yn)•••?/p>

        3ᆖ@ʲô•@•_(d)ʲô˼

        4W(xu)R •Լ@•_(d)˼[•-𴲕rg܇?yn)?܇ˣעⰲȫ•-İˁ

        5СY(ji)•҂fϢͣ•fͬϢ҂һM•҂x_•@(ji)n׌҂һM(jn)•ȥ̽P(gun)•a(chn)ĊW

        6n}•Įa(chn)

        ̽•ήa(chn)

        һͨ^׌ϴl(f)•J(rn)R•Įa(chn)cw\P(gun)

        1.ᆖʾrͬW(xu) ô•F(xin)ñrһ•᣿

        2.ᆖʲôk

        3ʾW(xu)fһf(zhn)ʲô׌ϴl(f)•

        4.ȫҪ󣺿lİl(f)F(xin)•rע•ĴС

        5̎ƣ_ʼͣ

        6ᆖlܰʹõķչʾoҿһ~ʹϴl(f)•Ąʽʲô

        7W(xu)R̎~

        8ͨ^ĦȄʽʹϴl(f)•ͬķʽʹw\Ӯa(chn)•ô•ôa(chn)

        ͨ^̽ͬwl(f)•\w{•wӮa(chn)

        1׷F(xin)J(rn)wӲܰl(f)•

        2W(xu)ӑՓ

        3ՄԒʾģо@}ώoҜ(zhn)ˎטӌм(x)Щʲô@Щwӕrl(f)•ʲôkքe׌l(f)•

        4W(xu)^쌍IJ˼ɌW(xu)Bϣʾ׌l(f)•ķv⌍򞷽ʾӛ䛱

        5̎SC(j)ָ(do)Ʋv_Č

        6.ᆖҪ֪@ЩƷʲô԰l(f)•҂Ҫ^о@ЩƷl(f)•rĹͬcҪעڌ^^ͿY(ji)һwl(f)•r\܉Eʲô׃

        7v⌍ӛ䛆βeʾe퇵l(f)•ָ҂úPʽ퇵ڰl(f)•r\܉E

        Ӷͨ^̽ͬwl(f)•\w{•a(chn)ԭҵC^

        8.pptʾҪ󣺿l(f)•wʲôF(xin)a(chn)ڬF(xin)@İl(f)•wһһ\ӡl(f)•wl(f)•r\܉Efl(f)•rĠB(ti)Ͱl(f)•rĠB(ti)

        9.򞣺ҪM(jn)5l(f)•^wl(f)•rĬF(xin)l(f)•r\܉EDӛ䛆Ρ

        10СMR󣬽̎mr(do)ʹW(xu)ע^l(f)•w\܉E׃

        11ᆖͨ^@ׂӣڡwӲܰl(f)•ʲô뷨?

        12W(xu)˼ش(A(y)O(sh)W(xu)ش,ҿ\)

        13СY(ji)wԺǰٵ؁(f)\҂Q֮ӡ•wӮa(chn)еwڲl(f)•r̎oֹĠB(ti)ڰl(f)•r̎

        14ՄԒȻ•wӮa(chn)ôֹͣw•͕ʧ᣿Dz@Ӹ׃ČȥCλͬW(xu)ԇԇ

        15W(xu)ʾʹl(f)•е䓳퇵VȪˮƿֹͣӡ

        16ͨ^Ō^쵽ʲôF(xin)@fʲô

        17.СY(ji)•wӶa(chn)Ӿ•ֹͣ•ʧ

        \á•wӮa(chn)ԭ漤ˮˮĬF(xin)

        1w`Ӯa(chn)•@ЩЕr߀܎ĬF(xin)չʾˮģ

        2ʾ1ߵͬW(xu)߅NÓĂ(c)ʾ2ùÓ

        3ᆖ ʲô

        4W(xu)ش•

        5˼1ӽˮʲôrl(f)˼2ڹĵı浹һcˮùÓˮ֕ʲôF(xin)l(f)

        6̎ʾ漤ˮÓˮ

        7׷wӎʲôF(xin)҂W(xu)֪RጄŵĬF(xin)

        8.W(xu)R

        9.СY(ji)•wӮa(chn)ģl(f)•w

        ġJ(rn)Rﲻͬİl(f)•ʽ

        1ՄԒw܉a(chn)•ôȻеĄͨ^ʲôʽl(f)•أ

        2ҕlĽ•

        3ͨ^ŵҕl˽⵽ʲô

        4W(xu)R̎PPTY(ji)xB~l(f)•ķʽ

        5СY(ji)oՓˡ߀еĸw•wӮa(chn)

        չ(yng)

        1չ(x)ؐҵĵĹ£Ӹ

        2ᆖͨ^ČW(xu)(x)ի@ʲô

        3ՄԒ•ӂ҂•׃ʲôc

        nСY(ji)

        •Įa(chn)c̰12

        һԪ£̲ķ

        1wF(xin)Ćעℓ(chung)O(sh)龰l(f)W(xu)W(xu)(x)dȤ

        2ͻČW(xu)c(do)W(xu)w팍ǫ@ȡ֪R͌W(xu)(x)ƌW(xu)̽ӵҪֶ

        3ҕW(xu)(jng)Hܵע(do)W(xu)ӅcĿƌW(xu)̽B(yng)W(xu)H͟܉?q)Wġ

        4W(xu)•Įa(chn)c^̵̽

        5Ìȥ̽Ӱ•Եԭ

        6•Ƶ;

        7˽F(xin)g(sh)c•P(gun)֪Rđ(yng)

        ̌W(xu)yc

        ̌W(xu)c

        1W(xu)M(jn)лW(xu)(x)B(ti)Ⱥ̓rֵ^ȷѬպB(yng)(do)W(xu)W(xu)(x)ƌW(xu)̽k

        2W(xu)•Įa(chn)c^̵̽

        3Ìȥ̽Ӱ•Եԭ

        4•Ƶ;

        5˽F(xin)g(sh)c•P(gun)֪Rđ(yng)

        ̌W(xu)yc

        1(do)W(xu)ӅcƌW(xu)оĿƌW(xu)̽^̺ͷȷĽ̌W(xu)

        2O(sh)Ӌ̽ČC•Ӯa(chn)ģ΂

        3W(xu)֪R•F(xin)ķ

        4•ΣԼߌW(xu)'h(hun)R

        5O(sh)Ӌ̽ČC•cʲôP(gun)

        nrţ

        ¹6(ji)Ӌ9nr

        ԿƌW(xu)֮1nr

        һ(ji)•Įa(chn)c1nr

        (ji)•2nr

        Ĺ(ji)•ΣͿ1nr

        幝(ji)•1nr

        һ†Ԫ(f)(x)czy1nr

        •Įa(chn)c̰13

        һ(chung)O(sh)龳 n5犣

        ҂һM•҂܇иNӵ•(yu) ҂ĕɐ•sܸɔ_҂ČW(xu)(x)ʹ҂韩ꡣ벻˽һЩP(gun)•֪RأôՈSһ(do)SͬW(xu)̽•֪RČ

        ͨ^Windowsϵy(tng)ԎýwřC(j)ؐҵġ\?q)WչʾIJΈDʹW(xu)е@棻ͨ^ýwnһЩҊ•ՈW(xu)˼@Щ•ʲôwl(f)ĶʹW(xu)a(chn)ɆS˼Sͨ^•(chung)O(sh)龳l(f)dȤĶn

        ҂oro̲ں͸Nӵ•򽻵ǣܲ뵽•ȻͬF(xin)(zhn)еĸ߿Ƽ“(lin)ϵһĿǰݵһҹ˾ѽ(jng)ɹƳһNʽ•ɲͨĘl(f)IJӏһN(qing)•TÁuuеؐ^ʹݿfC(j)ځøԒ•t@Щʲô•l(f)•҂?ni)˶ ֮ ҊҲȥo֪ۙͬW(xu) @tϢеo҂Ҳȥ]Ҫ•ȥlǣ挦ܵĂ҂܉֟o߆Л]з•ĺkʮךqij҂߀]ȥM(jn)ô҂ƌW(xu)һȥ̽һ·•ĺk

        @r㌢W(xu)һȤ龳̎ʾ

        Oӱfّ֪֪(zhn)•˅ҪЧط҂Ҫ֪ʲô••Ӯa(chn)΂҂߅

        һ(ji) •Įa(chn)c

        ̽ vn35犣

        1ͨ^̽Ի̽•Įa(chn)7犣

        @^̷EM(jn)У̽ԻөСY(ji)

        1)̽Ի(3犣

        ̎?q)WBϵ؄eԺMW(xu)ӣϵIJʹl(f)•ȱȿlİl(f)•lİl(f)•Є(chung)

        ڻ^ҪW(xu)

        w򞣺׌wl(f)•ģָ|l(f)•wrʲôX

        ˼

        wl(f)•rcl(f)•rʲôͬ

        wl(f)•rʲôͬ

        ӣϵоʹwl(f)•̎cӑՓm(dng)oʾ(do)ȻՈW(xu)_оY(ji)صİl(f)•ʾٝp͹Ą

        ͬw򞣺Լĺ^fһԒwϵĸX

        2)СY(ji)(1犣ϸJ(rn)RĻA(ch)ϿY(ji)wl(f)•ԭ•wӮa(chn)һаl(f)•w

        1•wӮa(chn)һаl(f)•w

        3)(2犣wİl(f)•F(xin)̫λͬW(xu)ҽBһN^صİl(f)•

        ע⣺Ȥİl(f)•rW(xu)y{(dio)̎Ȥİl(f)•}׌W(xu)ӑՓ磺لİl(f)•Bôl(f)•ģsôl(f)•Ӻnωl(f)ġˡ•ôӺʹôģͬһwͬİl(f)•׌һl(f)ͬ•w•߀Ӱl(f)

        4)“(lin)ϵa(chn)Hr얹W(xu)֪R(1犣

        ӿ԰l(f)•l(f)•wӛҪr׌wӛҎ(gu)ȥ͕a(chn)cԭһӵ•̎ͨ^ýwnչʾڙC(j)еPķŴDĈDпԿƬһȦȦҎ(gu)tĜ(dng)ƬD(zhun)ӕrS^Ĝ@ӾͰӛ䛵•جF(xin)SrM(jn)˂߀l(f)ôŎͼ⳪Pӛ•.

        2ͨ^•ĸ2犣

        ̎؏(f)ŵóĽY(ji)ՓµĆ}wl(f)•h(yun)̎ͨ^ýwn?q)Wչʾˮγc^(do)W(xu)˼ˮˮЕrF(xin)ʲôF(xin)ˮӮa(chn)ˮʹƽoˮl(f)ӣγˮܷˮһ˼һ£wl(f)•ܕʲôʽh(yun)̎

        2wl(f)••ʽ

        3(chung)O(sh)龳O(sh)ͨ^ֽMCĶͻ̌W(xu)cͻƽ̌W(xu)yc35犣

        1)}l(f)˼S(4犣

        @Щ֪R҂F(xin)ھ́оһӷ••l(f)•o•oϢ҂u҂ӲܰԼo(h)ע⣺•l(f)•҂?ni)˶ sȻ܌҂wɂ

        ̎ӆTW(xu)đ룺ʲôӵķܷ•

        W(xu)kУ

        øɶƣ̎uh•l(f)Ĵ•ڂ^ГpĺһIJϺyF(xin)߀]й

        ڌ•l(f)•ȥ̎uhѴ•ȥkM(jn)иɔ_Փvǿе҂@ЩЌW(xu)r߀]ȥM(jn)о

        ۝ˮˮס•l(f)•

        M(jn)ոס•l(f)•

        ùw|(zh)ס•l(f)•

        2)O(sh)(2犣

        ̎(do)W(xu)ͬW(xu)ķԷ^(q)eǰɷNMƫx҂nо̎ҲҪ?q)WҪһ£ԹĄW(xu)ķeOԣьW(xu)˼·(do)̽Щ|(zh)Ԃ•ρ(j)W(xu)ķM(jn)мO(sh)

        O(sh)һw܂•

        O(sh)Һw܂•

        O(sh)w܂•

        O(sh)ģղ܂•

        3)ֽMCO(sh)(5犣

        ̎ᆖͬW(xu)IJDzһ_ǣôʲôkC֌F(xin)҂ͷֳMо@}һMCwܷ•ڶMCҺwܷ•MCwܷ•

        ֽ̎Ml(f)ŌͬrьW(xu)ڌ^Ҫ໥f(xi)ϡ

        ̎ʾ҂оһ}ҪMصĸɔ_Cwܷ•rҪMҺwwӰ푵҂ČͬCҺwܷ•rҪMww҂Ӱ@NоڿƌW(xu)Ͻ׃

        W(xu)ֽM̎Ѳָ(do)

        4)໥óY(ji)Փ(5犣

        ̎(do)W(xu)M(jn)нՈСM]1-2潻ܡ(1)ļO(sh)ʲô(2)C(3)ĽY(ji)ՓʲôͬW(xu)fĕrԸ(j)Լ(jng)ҲԄ(chung)ԵώṩkֻҪCԼļO(sh)Ϳ

        W(xu)C^̕r̎om(dng)(do)cW(xu)һ𿂽Y(ji)Y(ji)Փ•܉ڹwҺwwЂ܉•|(zh)н|(zh)

        3•܉ڹwҺwwЂ

        5)“(lin)ϵ얹֪(5犣

        wԂ•҂܇M˿՚՚̈́fϢṩ˱lϵĄ(sh) Xϛ]п՚⣬Tֻͨ^o늽

        ҺwҲԂ•ں߅~„e߅׷[ƴԊ˺ܵԊС]Ќ^ӌW(xu)](c)ݮ̦ӳ·˽膖b֣µ~@(yng)˼fһСW(xu)˂~(c)ˮ߅̦ӰӳҰ݅ ˆ·Bæh(yun)h(yun)麦@~һش

        wҲ܉•(j)f‡ؐ30qrˇ(yn)صĶ ȫʧ]\XҧסľһľһٵIPϸ^m(x)ԼĄ(chung)

        ̎ͨ^ýwnؐҵġ@׌W(xu)

        F(xin)ͬW(xu) ġ@ؐȫʧ r„(chung)@Ʒ(x)ā㌍oAo_(d)߆ʧ Ժ󌦴Ȼľ֮c\һɞ˂gӭĽ֮һͬW(xu)ĵ·҂ܕ(jng)vNNۺͲֻҪ҂ؐǘӣ\^ӭ(zhn)һȡ˲Ŀijɿ

        ָ̎mȻ҂ŵļO(sh)e`҂sͨ^

        ó_ĽY(ji)ՓҲf҂ճǟoҵρ•ô҂ʲôkܷ•

        ̎ʾ⏌򞣨3犣п՚rl(f)•wl(f)•f՚Ԃ•(dng)óͲ֚wԺl(f)•wl(f)•׃С̎(do)W(xu)ͨ^M(jn)һƌ(do)óY(ji)Փղ܂••Ăx_|(zh)

        ղ܂•

        ̎}F(xin)Ҫ•҂u҂ԓӷ̎(do)W(xu)ӑՓóY(ji)Փ҂܇O(sh)һ̎vһС£1995ʿRʹһNճȵĭDʾȺճڵ”R˅sܿذl(f)F(xin)ֻҪڵψ˾ͿԴu[^ȥ׌M˾Yĭ˟oκΡF(xin)Ƴʽ•҂@ЩֻʮךqЌW(xu)HH˰빝(ji)nĕrg˷k֪Щ @ЩϢ󣬕θͬW(xu)Dz؄eгɾ͸

        4(chung)O(sh)龳}•٣2犣

        (chung)O(sh)龳ЕrӰ￴@ӵĮ݆TĿc҂ Ԓͬ҂ •݆TĿ˰@•ĂҪһĕrg҂•ÿNľx••ڲͬ|(zh)еĂٶDzͬ

        ͨ^ýwnչʾ׷N|(zh)е•ٱ̎(do)W(xu)ٵϤ•ڿ՚ˮFеĂٶıпԿ•ٸ|(zh)ķNP(gun)߀|(zh)ĜضP(gun)

        ı߀Կ•ڹwҺwбښwЂÿ

        ˼ƌW(xu)ڡϪPՄӛd܊ޠIr׌ʿ^ţƤƳɵļͲ˯XԼr ҹu˵R•@tӛdc҂W(xu)(x)ă(ni)ʲô“(lin)ϵ

        Y(ji)؜Ҫc2犣

        ͨ^(ji)nоʹ҂J(rn)R•wӮa(chn)•ڹwҺwwЂղ܂••ڲͬ|(zh)ЂٶȲͬ15r՚е•340m/s

        @(ji)nͬW(xu)ƌW(xu)һȥ˼ȥ̽óһЩµĽY(ji)Փ҂Q˺ҪČH}ÿһλͬW(xu)гɞƌW(xu)ҵĿ҂ĬF(xin)_ʼʼK̽ƌW(xu)dȤͼڲõČţD٤ԺXW(xu)ɭ҂(dng)ٴγF(xin)

        hhS˼S2犣

        1ôӕr •sҊӵӣʲôkCӵ

        2ͨ^醽̲е•ٱ҂˽•ڿ՚еĂٶͬW(xu)ܲkyһ•ڿ՚еĂٶȣ(yng)ԓôkfČ򞷽

        ڌW(xu)|̎M(jn)бҪʾԽyȣՈͬW(xu)˼·M(jn)̽Ҫy•֪Щ(zhn)ʲôky@Щy@ЩrҪõЩģͬW(xu)O(sh)ӋĕrҪע⌍򞷽Ŀ•Դx˶ľxҪm(dng)^yrgĹҲҪMܵؾ_ÿСMJ(rn)ӑՓͬO(sh)ӋһN򞷽¹(ji)n҂ͬһһMká

        I(y)얹A1犣

        I(y)̲p16 քXW(xu)123

        1•Įa(chn)͂̌W(xu)O(sh)Ӌ

        2нMl(f)

        3•Ӯa(chn)İ˼

        4ģO(sh)Ӌc˼

        5̌W(xu)˼

        •Įa(chn)c̰14

        n}

        •Įa(chn)c

        nr

        1 nr

        ֪Rc

         1 ֪•wӮa(chn) ;

        2 ֪•Ҫ|(zh) , ԼwҺww܉•Ľ|(zh)

         3 ֪•ٸ|(zh)ķNͽ|(zh)ĜضP(gun)

        ^c

        1 \^͌̽•a(chn)Č|(zh)Լ̽•ӂġ

        2 ͨ^W(xu)(x)B(yng)W(xu)^?zi)ͿƌW(xu)ʹW(xu)ճо}ķ

        БB(ti)crֵ^

        1 ͨ^̌W(xu)Ўl(f)W(xu)ČW(xu)(x)dȤ͌ƌW(xu)֪B(yng)X̽ȻF(xin)ճеԭĿƌW(xu)B(ti)

        2 ͨ^ͽB(yng)W(xu)Ӆc˺ľ

        ̌W(xu)c

        1 •wӮa(chn)

        2 •ĂҪ|(zh)Լ•Բʽġ

        3 •c|(zh)NԼ|(zh)ضP(gun)

        ̌W(xu)yc

        •ڽ|(zh)•ʽ

        ̎C(j)Ѓٲ•ɰ݆cĦ•Q•􎧣

        ü(x)Ғĭ

        (j)rҕC(j)ӰC(j) VCD Pҕr

        ~ʢˮIJˮ

        W(xu)ƤСġ䓳һЩܰl(f)•w

        nǰӣ

        ڽ҃(ni)ƓP (chung)O(sh)龳

        (do)n

        eȻSʵ• ĿȾJ(rn)R

        һϵһ•F(xin) l(f)dȤ

        P(gun)Ć}ɴˌ(do)n

        M(jn)n

        һ•Įa(chn)

        1 ָ(do)Dͬr •鲢ï

        2 w{ͬc̽(ni)ݣ B(yng)w{

        3 W(xu)̽•Ӯa(chn)Ƥӡ

        䓳•СġС茵ȣ

        _Ŀ򞷽

        ע،^еĸNF(xin)󣬲ܚw{_(d)

        ^˼ӑՓeְl(f)

        4 (do)̽ķ

        }M(jn)мO(sh)̽w{Y(ji)Փ

        •.

        1 ̽ӂ• w܉•

        2 ՚• wC(j)•

        3 ⏡ʾ ]п՚⡱

        4 ӵ漤•˶

        ָ(do)W(xu)ԌW(xu)hh

        5 ʾҺw•

        l(f)•T⏷ˮУ߀ •

        F(xin)ˮе~ܱ˵fԒ_•ߡ

        6 ׷N|(zh)•٣

        J(rn)Rӛס

        yucСY(ji)

        1 СӖ(xn)СyԇrÎͬuv

        2 ՈW(xu)W(xu)(ni)СY(ji)B(yng)ɚw{֪R(x)T

        I(y)

        n󡶄քXW(xu)

        O(sh)Ӌ

        һ •F(xin)

        һ(ji) •Įa(chn)c

        һ•Įa(chn)

        •wӮa(chn)ġ

        •Ă

        1 •|(zh)ղ܂•

        |(zh)܉•|(zh)

        2 •н|(zh)ж•ʽ

        3 •٣

         1 •ÿ(ni)ľx•

         2 •ڹwҺwбښwЂÿ

        •Įa(chn)c̰15

        Ŀ(bio)

        1׌Сь߅ĬF(xin)a(chn)dȤP(gun)ע܇

        2•a(chn)D(zhun)ԭбo(h)R

        (zhn)ϣ

        Сɺ͹С٣Fˮˮ׼Sɳ

        ڌ֮ǰСҪՈСJ(rn) (x)ĵĿ

        1 㿴ʲô

        2 ʲô

        һ•Įa(chn)

        1 ՈСѿώ]СٵĕrȻώСٵĕrՈСע ʲôʲôСѻش𲻳ʾ^ң

        2 һЩСw綹ڹȻùՈС •^СwʲôF(xin)l(f)СԭǹСӣ

        3 ώFȻՈһɂС|FȻVСтʲôXӣՈС֮ǰfҪ󣺡ՈFʲôӵĸXȻώFՈСסFֹՈС ߀Л]•]У

        VС•Ӷa(chn)ֹw•Rʧ

        •Ă

        1 ՈСаѶ䶼ſϣȻ֓׻ՈСʲôl(f)F(xin)•@ӵĹw

        2 ώˮFȻՈһɂСѰѶNסˮۣȻܲ •ՈѽY(ji)VСѣώˮFՈСуA ܲ •VС•ˮ@ӵҺw

        3 ώһՈС ܲ ••ڿ՚ЂʾС҂܇ʲôǿҊģ՚⣩

        4 (do)С˼•ڿ՚ʲô'ώvԒDzֻǰߺСѲ Ҋ҂ƽr𴲵•Dzн䶼܉ ô•ʲôأ˷

        •wеĂ

        һСȻڹĵ棨棩һڼϵһСώùĵ棬ՈС^켈СʲôF(xin)l(f)VС(dng)wӰl(f)•r܇՚γ•IJ•Ĺĵ?zhn)ւĶСԾͿ@ӵĬF(xin)ˣ

        ՈСעⱣo(h)҂Ķ•҂Ķ҂ 

        •Įa(chn)c̰16

        ̲ķ

        1̲ĵĵλã(ji)njW(xu)|ĵһ(ji)ڽ̲ԼԺ̌W(xu)жepصĵλܷͨ^@(ji)nČW(xu)(x)׌W(xu)w֪R҂߅W(xu)l(f)W(xu)W(xu)(x)֪RdȤB(yng)W(xu)֌^^w{Y(ji)̽R(chung)Rͳɞ@(ji)nҪQĆ}˸õͻyc䌍n(bio)ľڽ̌W(xu)ŬF(xin)D(zhun)׃

        1֪R،W(xu)l(f)չD(zhun)׃

        2ؽ̡̎،W(xu)W(xu)D(zhun)׃

        3ؽY(ji)^D(zhun)׃֮ͨ^(ji)nŬ׌W(xu)wЌW(xu)(x)ڻЌW(xu)(x)ѬЌW(xu)(x)ʹɞW(xu)(x)nõˡ

        2̌W(xu)(ni)ݼ̲c•F(xin)@һҪͨ^a(chn)Sʵ•F(xin)ČW(xu)(x)ʹW(xu)˽⣺•Ӯa(chn)͂•Щ˂úͿ•ģ؄eעʹW(xu)˽•a(chn)ȷđ(yng)ú͌Ӱڽ̌W(xu)^Б(yng)עY(ji)ճеһЩF(xin)󣬼ӏ(qing)cH“(lin)ϵ

        ̌W(xu)Ŀ(bio)

        1֪RĿ(bio)

        1֪•wӮa(chn)ģ

        2֪•Ҫ|(zh)•ڲͬ|(zh)ЂٶȲͬ

        2Ŀ(bio)

        1B(yng)W(xu)ČʹW(xu)W(xu)Ŀĵ^

        2ʹW(xu)óҊM(jn)Ќ̽F(xin)ռЧϢ(j)Ϣw{ƌW(xu)Ҏ(gu)

        3ʹW(xu)ڌW(xu)(x)^I(lng)Q};ͿƌW(xu)оһ㷽

        4B(yng)W(xu)ԌW(xu)ZԱ_(d)֪R

        3Ŀ(bio)

        1ͨ^Ȼ•cȤ׌W(xu)w֪R҂߅l(f)W(xu)ČW(xu)(x)dȤ֪ʹW(xu)̽ȻճеW(xu)֪R

        2ͨ^ĄW(xu)đLԇòͬČ򞷽Q}B(yng)W(xu)Ą(chung)R

        3ͨ^̎W(xu)p߅.̌W(xu)M(jn)gлI칲ͬӑՓͬcͬLԇǢĽ̌W(xu)Շͨ^W(xu)̽B(yng)ͬW(xu)g໥̽ӑͬ̽ĈF(tun)꠾

        ̌W(xu)c

        (ji)nc•a(chn)ԭ•ĂҪ|(zh)ֻ˽•Įa(chn)cԭ܏ı|(zh)⌦Ŀc(yng)ã@M(jn)һW(xu)(x)(ni)ݵǰ@ǰcDZºm(x)W(xu)(x)P(gun)InjF(xin)½̌W(xu)Ŀ(bio)ĻA(ch)

        ̌W(xu)yc

        (ji)ňW(xu)yc•ĂҪ|(zh)HHW(xu)ճܺyJ(rn)R@һcֻнڌ򞼰ܵó_ĽY(ji)ՓW(xu)|֪RJ(rn)֪γyc

        ̷cW(xu)

        (ji)ňW(xu)֪R̽Խ̌W(xu)(ji)nMT˼̽ՓCĽ̌W(xu)ڽ̎Č(do)„(chung)O(sh)̌W(xu)龳̽Ć}W(xu)߅^߅˼ͨ^HԄּֽMM(jn)ՓCͨ^СMM(jn)Кw{Y(ji)޶ȵ{(dio)ӌW(xu)čW(xu)ӵķeOԡwF(xin)̎(do)W(xu)wĽ̌W(xu)ԭt

        @ЩԸ飺(chung)O(sh)龰(do)Ŀ(bio)̽ՓC_(d)Y(ji)w{

        nrš1nr

        ġ

        1̎ʾģ⏌b

        2W(xu)̽ģ桢ҒƹF_l(f)•wСC(j)ɂϴˮۃɂˮCuSO4Һ׼~ļƬƿӵ

        W(xu)ֽMģ

        һM

        ڶMl(f)•wСC(j)ɂϴˮۃɂˮCuSO4Һ

        ML䓹ܡ

        3ýwn

        nO(sh)Ӌ

        һ(chung)O(sh)龳n5犣

        ҂һM•҂܇иNӵ•(yu) ҂ĕɐ•sܸɔ_҂ČW(xu)(x)ʹ҂韩벻˽һЩP(gun)•֪RôՈSһ(do)SͬW(xu)̽•֪RČ

        ͨ^Windowsϵy(tng)ԎýwřC(j)ؐҵġ\?q)WչʾIJΈDʹW(xu)е@ͨ^ýwnһЩҊ•ՈW(xu)˼@Щ•ʲôwl(f)ĶʹW(xu)a(chn)ɆS˼Sͨ^•(chung)O(sh)龳l(f)dȤĶn

        ҂oro̲ں͸Nӵ•򽻵ܲ뵽•ȻͬF(xin)(zhn)еĸ߿Ƽ“(lin)ϵһĿǰݵһҹ˾ѽ(jng)ɹƳһNʽ•ɲͨĘl(f)IJӏһN(qing)•TÁuuеؐ^ʹݿfC(j)ځøԒ•t@Щʲôأ•l(f)•҂?ni)˶ ֮ ҊҲȥo֪ۙͬW(xu) @tϢеo҂Ҳȥ]Ҫ•ȥl挦ܵĂ҂܉֟o߆Л]з•ĺkʮךqij҂߀]ȥM(jn)ô҂ƌW(xu)һȥ̽һ·•ĺk

        @r㌢W(xu)һȤ龳̎ʾ

        Oӱfّ֪֪(zhn)•˅ҪЧط҂Ҫ֪ʲô••Ӯa(chn)΂҂߅ģ

        һ(ji)•Įa(chn)c

        ̽vn35犣

        1ͨ^̽Ի̽•Įa(chn)7犣

        @^̷EM(jn)У̽ԻөСY(ji)

        1̽Իӣ3犣

        ̎?q)WBϵģ؄eԺMW(xu)ӣϵIJʹl(f)•ȱȿlİl(f)•lİl(f)•Є(chung)⡣

        ڻ^ҪW(xu)

        w򞣺׌wl(f)•ָ|l(f)•wrʲôX

        ˼wl(f)•rcl(f)•rʲôͬwl(f)•rʲôͬ

        ӣϵоʹwl(f)•̎cӑՓm(dng)oʾ(do)ȻՈW(xu)_оY(ji)صİl(f)•ʾٝp͹Ą

        ͬw򞣺Լĺ^fһԒwϵĸX

        2СY(ji)1犣ϸJ(rn)RĻA(ch)ϿY(ji)wl(f)•ԭ•wӮa(chn)һаl(f)•w

        1•wӮa(chn)ģһаl(f)•w

        32犣wİl(f)•F(xin)̫λͬW(xu)ҽBһN^صİl(f)•

        ע⣺Ȥİl(f)•rW(xu)y{(dio)̎Ȥİl(f)•}׌W(xu)ӑՓ磺لİl(f)•Bôl(f)•sôl(f)•Ӻnωl(f)ġˡ•ô£Ӻʹôͬһwͬİl(f)•׌һl(f)ͬ•w•⣬߀Ӱl(f)

        4“(lin)ϵa(chn)Hr얹W(xu)֪R1犣

        ӿ԰l(f)•l(f)•wӛҪr׌wӛҎ(gu)ȥ͕a(chn)cԭһӵ•̎ͨ^ýwnչʾڙC(j)еPķŴDĈDпԿƬһȦȦҎ(gu)tĜ(dng)ƬD(zhun)ӕrS^Ĝӣ@ӾͰӛ䛵•جF(xin)SrM(jn)˂߀l(f)ôŎͼ⳪Pӛ•ķ

        2ͨ^•ĸ2犣

        ̎؏(f)ŵóĽY(ji)ՓµĆ}wl(f)•h(yun)̎ͨ^ýwn?q)Wչʾˮγc^(do)W(xu)˼ˮˮЕrF(xin)ʲôF(xin)ˮӮa(chn)ģˮʹƽoˮl(f)γˮܷˮһ˼һ£wl(f)•ܕʲôʽh(yun)̎

        1wl(f)••ʽ

        2(chung)O(sh)龳O(sh)ͨ^ֽMCĶͻ̌W(xu)cͻƽ̌W(xu)yc35犣

        1}l(f)˼S4犣

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        ̎ӆTW(xu)đ룺ʲôӵķܷ•

        W(xu)kУ

        øɶƣ̎uh•l(f)Ĵ•ڂ^ГpĺһIJϺyF(xin)߀]й

        ڌ•l(f)•ȥ̎uhѴ•ȥkM(jn)иɔ_Փvǿе҂@ЩЌW(xu)r߀]ȥM(jn)о

        ۝ˮУˮס•l(f)•

        M(jn)ոס•l(f)•

        ùw|(zh)ס•l(f)•

        2O(sh)2犣

        ̎(do)W(xu)ͬW(xu)ķԷ^(q)eǰɷNMƫx҂nо̎ҲҪ?q)WҪһԹĄW(xu)ķeOԣьW(xu)˼·(do)̽Щ|(zh)Ԃ•ρ(j)W(xu)ķM(jn)мO(sh)

        O(sh)һw܂•

        O(sh)Һw܂•

        O(sh)w܂•

        O(sh)ģղ܂•

        3ֽMCO(sh)5犣

        ̎ᆖͬW(xu)IJDzһ_ǣôʲôkC֌F(xin)҂ͷֳMо@}һMCwܷ•ڶMCҺwܷ•MCwܷ•

        ֽ̎Ml(f)ŌͬrьW(xu)ڌ^УҪ໥f(xi)

        ̎ʾ҂оһ}ҪMصĸɔ_Cwܷ•rҪMҺwwӰ푵҂Č򞣻ͬCҺwܷ•rҪMww҂Ӱ푡@NоڿƌW(xu)Ͻ׃

        W(xu)ֽM̎Ѳָ(do)

        4໥óY(ji)Փ5犣

        ̎(do)W(xu)M(jn)нՈСM]12潻1ļO(sh)ʲô2C3ĽY(ji)ՓʲôͬW(xu)fĕrԸ(j)Լ(jng)ҲԄ(chung)ԵώṩģkֻҪCԼļO(sh)Ϳ

        W(xu)C^̕r̎om(dng)(do)cW(xu)һ𿂽Y(ji)Y(ji)Փ•܉ڹwҺwwЂ܉•|(zh)н|(zh)

        3•܉ڹwҺwwЂ

        5“(lin)ϵ얹֪5犣

        wԂ•҂܇M˿՚՚̈́fϢṩ˱lˣϵĄ(sh) Xϛ]п՚⣬Tֻͨ^o늽

        ҺwҲԂ•ں߅~„e߅׷[ƴԊ˺ܵԊС]Ќ^ӌW(xu)](c)ݮ̦ӳ·˽膖bµ~@(yng)˼fһСW(xu)˂~(c)ˮ߅̦ϣӰӳҰ݅ ˆ·Bæh(yun)h(yun)麦@~һش

        wҲ܉•(j)f‡ؐ30qrˇ(yn)صĶ ȫʧ]\XҧסľһľһٵIPϸ^m(x)ԼĄ(chung)

        ̎ͨ^ýwnؐҵġ@׌W(xu)ɡ

        •Įa(chn)c̰17

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        W(xu)ָ(do)ѼYxӑՓY(ji)ϵķʽڽнY(ji)(jng)wJ(rn)R•Įa(chn)cėlwc“(lin)ϵ

        W(xu)(x)Ŀ(bio)

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        1^12퓈DƬһֱԼĺ퇵xһ֣м(x)wֵĸXȻֹͣx߀wֵĸXɴһӆ᣿

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        5~rܴ•W~ •͕ߣ@f______________

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        1ijˌ´һ•(jng)12s •txµľxs_____m m/s

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        2҂֪•wӰl(f)ģЕr҂ •sҊքeʲôCܰʾŴ

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        1֪•wӮa(chn)•Ă|(zh)

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        2׌W(xu)ԇһԇһ¹ģ桢茣Rְסl(f)ʲôF(xin)һ@Ǟʲô

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        •Įa(chn)c̰19

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        1ͨ^^͌̽•ήa(chn)?•΂ģĶB(yng)W(xu)о}ķ

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        }ƽ Ƭô

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        3̽•ڿ՚ӂ

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