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        1. Ӣҽ̾W(wng) > > }ĿԔ

          }Ŀij СMǰƏS죬ͬW(xu)˽⵽ư׾ȰѰl(f)͵ļZʳľƾľƾbҊDʾ?yn)ҪҪ¼ӟ偌?sh)Hһ]HcݔͨȻ󡰚ơע냦ƹޣеİ׾ƵĶȔ(sh)ܸһ㲻ֱҪcmˮܳP(gun)ИI(y)Ҏ(gu)£׾ƵġȔ(sh)ָ r£ ׾ƾĺ(sh)֪ˮܶȞ ƾܶȞ  (bio)(zhn)≺ˮķc(din) ƾķc(din) (j)ԇش

          1ԓSa(chn)ÿƿb  İ׾Ƶ|(zh)Ƕǧˣ
          2ÿƿb ȡİ׾ƵܶǶǧ/ ]rwe׃

          𰸡
          1⣺}֪39ȡָ20z϶ȕr100ml׾ƾĺ(sh)39mlt50039ȡ׾оƾwe

          Vƾ539ml195ml195cm3ƾ|(zh)飺mƾƾVƾ0.8g/cm3195cm3156gˮ|(zh)飺mˮˮVˮˮV-Vƾ1g/cm3500-195cm3305gt׾Ƶ|(zh)飺mmˮ+mƾ156g+305g461g0.461kg


          2⣺ˮ|(zh)mˮ200gͬt50060ȡ׾оƾwe 300cm3ƾ|(zh) 240gt׾Ƶ|(zh)飺m200g 440g׾ƵܶȞ飺ѣ 0.88kg880g
          (j)ƵĶȔ(sh)ӋˮоƾweӋ|(zh)(j)weӋˮwe|(zh)|(zh)weӋˮܶ.

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          P(gun)(x)}

          Ŀ Դ

          }Ŀx£ش}
          ʮһ̖
          糿 r ʮһ̖wЇȪl(wi)ǰl(f)ijɹl(f)˴ΰl(f)ʮһ̖dwĿǞ˸õտgӼg(sh)_չ^yͿgϵy(tng)ƌW(xu)g(yng)¼g(sh)_չ^yͿgϵy(tng)ƌW(xu)g(yng)¼g(sh)gg(sh)ͺt(y)W(xu)I(lng)ԇ(yn)ʮһ̖L̖ \(yn)dl(f)䣮

          (dng)l(f)rߜصχl(f)_ĵ桢ʲô|@ӸߜصĻ涼Ѹۻ˱o(h)l(f)_ĵͨһˮ׌懊ˮl(f)r҂ǿҵĻ懊ˮУİɫF(tun)܇v
          wķœԔ(sh)ǧٶȴԽܵĴӕrœĜضȕ_(d)ǧz϶ȣœġJ(rn)Ҫͨ^Nʽœ(ni)Ĝضȿ £һʽڷœijЩλÌ(do)ܺc(din)ߺͱȟݴĽͨ^@Щϵۻմğݗʽݗܺõ⁺Ͻմɵȏ(f)ϲϣݗɢl(f)ȥǟgᣬø߷Ӳڸߜحh(hun)µۻl(f)Aֽߴğ
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          1˴ΰl(f)ʮһ̖dwĿǣ______
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          B._չ^yͿgϵy(tng)ƌW(xu)g(yng)¼g(sh)gg(sh)ԇ(yn)
          C.õط(w)ڵČ(do)ϵy(tng)
          D._չt(y)W(xu)I(lng)ԇ(yn)
          2l(f)r҂ǿİɫF(tun)xˮ⡱Сˮ顱@?yn)懊ˮˮl(f)F(xin)˴ğᣬĶo(h)˵
          3Ќڟgǣ______
          A.l(f)ڴˮ
          B.ƤwCʳƷ朱
          C.ˮƿ(ni)ă(ni)đͿһĽ
          D.ٶ·IJλýƳ

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀм҃ɷNͬƷƵıر˱^@ɷNƷƵıرʢˮrıЧСտƌW(xu)̽ij̶_˾w̽}xm(dng)?sh)ڿ׃ǰ҃?ni)M(jn)ˌ(sh)(yn)õһΕrg(ni)ס҃ɷNر(ni)ˮĜضȵČ(sh)(yn)(sh)(j)(j)(sh)(j)LƵĈDDʾՈ(j)DṩϢش†}

          1С̽(sh)(yn)}е׃  ׃ xxǰĸ
          AˮĜض Bˮsĕrg CرƷ
          2(j)D^҃ɷNرıЧ__________xxǰĸ
          A.ױرıЧ
          B.ұرıЧ
          C.҃ɷNرıЧһӺ
          3Ո(j)DӋ(sh)(yn)^е СrҜأ

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿСΣȫʧxoֱֹ\(yn)ӡ\(yn)ӡ_(d)܇܇ͻȻx܇xǰA򡰺󵹡

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ\(yn)ӆTҪѼȥȰѹ@fwl(f)a(chn)Ҫаļ܉^m(x)\(yn)@?yn)?/span>

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          Ŀ Դ

          }ĿW(xu)늴^֪RԺͻl(f)룺Լܲһ(dng)ĺ_ʼO(sh)Ӌһ·DʾR0M늄әC(j)ɵĺ״L(fng)C(j)ԇԺXøֵٶ߀c(din)ڲӰ늄әC(j)r¼һ220V 1000W늟zЧҲSՈش†}

          1늟zǶ٣

          2ڈDЮ늟z·ֵ·D늟zķ̖ʾ

          3늟zĵе50%ˮʹضô7minʹٳ؞10ˮضߵ30cˮ=4.2103J/kg

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ܇x܇Rͣ?yn)?/span>

          A. ʧȥT B. БT C. ܵTԵ D. ʧȥ

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ֪ˮıȟݞ4.2103J/(kg)t1kgˮض50CJğ ҂(jng)˾C(j)܇l(f)әC(j)ˮˮ@?yn)ˮ?/span>ͬlˮ܎^sЧ

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀвô≺(qing)ǣ
          A.䓹Pīˮ
          B.o(h)ʿעo˼
          C.ܺ
          D.ʽˮC(j)ˮԭ

          鿴𰸺ͽ>>

          ͬ(x)Դ