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        1. D~ B(ti)ϵy(tng)cͨB(ti)ϵy(tng)ȌF(xin)༉

           

          }Ŀб(𰸺ͽ)

          Д࣬e`

          Am(dng)ڄֲʳãӲԭB(ti)ϵy(tng)

          Br(nng)B(ti)ϵy(tng)̫ܵʸɭB(ti)ϵy(tng)

          20090316

           
          CB(ti)ϵy(tng)еֽ֮Կ܏ķֽM

          D~B(ti)ϵy(tng)cͨB(ti)ϵy(tng)ȌF(xin)༉

          鿴𰸺ͽ>>

          Дe`()

          Am(dng)ڄֲʳӲԭB(ti)ϵy(tng)

          BʳwͱȱʳСt(sh)P(gun)ϵ϶(gu)ɵ

          CB(ti)ϵy(tng)еֽ֮Կ܏ķֽM

          Dɣ~B(ti)ϵy(tng)cͨB(ti)ϵy(tng)ȌF(xin)༉

           

          鿴𰸺ͽ>>

          08hһеĴ¿Дe`

          Am(dng)ڄֲʳãӲԭB(ti)ϵy(tng)

          BʳwͱȱʳСt(sh)P(gun)ϵ϶(gu)ɵ

          CB(ti)ϵy(tng)еֽ֮Կ܏ķֽM

          D~B(ti)ϵy(tng)cͨB(ti)ϵy(tng)ȌF(xin)༉

          鿴𰸺ͽ>>

           

          ڢ88֣

          һx}ÿ}460֣

          1C Ƥʧȥ{(dio)l(f)ʱȺSC{(dio)ļtм

          2B оw|(zh)ķߠwɣw~GwDNAԾаԡ

          3B ֲĹbc(yng)Dfɫռtȹ{Ϲԑ(yng)~GϴNֲßoɫ͸ϴ

          4D p(sh)ڶηѺzcѣԼ(ni)Ⱦɫw

          5C wмȍuػ򣬵ԓֻȍuBб_ȍuAвȍu،(yng)mRNA

          6C BDd^λb

          7A  ׷NȺLʴ0ԷNȺʴNȺ(sh)t1Dt2rg(ni)ҷNȺδ_KֵwF(xin)SLt5rҷNȺܶt4rNȺܶȞK/2

          8B ̫ܵcȺĴֱY(ji)(gu)P(gun)ɭB(ti)ϵy(tng)ĴֱY(ji)(gu)(yu)r(nng)B(ti)ϵy(tng)

          9Bɡwʹ1520Ա֪ETFEDz׽ͺϳ鳣Ҏ(gu)ϵıoӡ

          10CA܉ÉAʽζʢbԸiҺB^V^Б(yng)ԓòD܉ͲϡˎƷ

          11DA4 gˮ0.2mol,Ӕ(sh)2NAB]ИwĠB(ti)Ƿ˜ʠrCCl2ܽڵweˮУֻИOһֺˮl(f)(yng)D(zhun)Ӕ(sh)hСڞ0.2NA

          12BAO(sh)|(zh)AD(zhun)bmol,ABC|(zh)֮Ȟ飨a-2ba-bxb=134,Ƴx 2CAwBǚwtƽrMNC|(zh)DƽrMЉNЉMAD(zhun)ʴNAD(zhun)

          13BAУAlO2DԺH+(yng)C,MnO4DɫDF(xin)e2+ɫԭh(hun)NO3D܉?q)Fe2+

          14Cԓ(yng)HNO3As2S3l(f)߀ԭ(yng)ԪغԪرHNO3߀ԭ

           

           

          15BA·ӺИOIͷǘOIǵԭγIrһ鹲ÿԭӶcԭγ׃εFID(zhun)һnjQY(ji)(gu)ԷһǘOԵģBc^ٸ(j)|(zh)СеIĴԵóg໥ú܏DDКICУȼָ1molȼϳȼɷ(wn)rğЧ(yng)ˮ(yng)ԓҺB(ti)DO2 +2H2O+4e=4OHO(yng)ʽ

          16ACͨ^D֪EKcS܇ܵĿ՚Ħ50N늺ͨ^D֪՚ĦĹ506=300J,Գܞ500300=200J

          17D(j)}Ʉ֪ܶqu=EKĩСtEKСuС늈ķ늄ݽķġ˟o_늈ķABCe(j)ֻ늈rc늄֮ͱֲ׃֪D

          18CxУCxQֱϒ\cٶȞȻȫ^̶̎ȫʧؠB(ti)rgL

          19C(j)wܵwܵfõһٶȞ

            ٸ(j)}֪xC

          20BD

              VDtDP(gun)ϵDcSɵeλһv׷һvfλȵijr̃ɂP(gun)ϵDcSɵexBD

          21D

          ֶtДŸоȏ⵽ųACڹʽ4t=2m/qB

          ֪xD

          22B

          ⣺u-tD󿴳ÿڵǰ҈DЧֵ220V늉(j)ЧֵĶx U=156VxB

          W(xu)ƾW(wng)(Zxxk.Com)

            1. 2,4,6

              ֡

              2311֣A2

                  BD13

                  ۣ2.9D3.0 0.9D1.1    ƫ󡭡6

               

               

               

               

               

              2416֣1O(sh)(jng)^rgt׷ңt(j)}vtvt/213.5m  2

              v9m/sõt3s                             1

              vat                                                1

              ãa3m/s2                                          1

              ׷ҵĕrߵľxs

              tsat2/2                                             1

              딵(sh)(j)õs13.5m                                   1

              x^(q)ĩ˵ľx∆s20m13.5m6.5m         1

                 2}֪ҵļٶԽɽӰr^ľxԽL(dng)ڽ^(q)߅ɽӰrҵļٶ                         2

              O(sh)ҵļٶȞa2

              \ӵĕrgt=                                     2

              Ҽٵĕrgt1=                                     1

              L=a2t12+vt- t1                                     2

              a2=m/s2=2.67 m/s2                          1

              2518֣

                 1ţDڶF=ma ֪    F1maa1 m/s26֣

                 2Ʉֱ\ӵλƹʽ֪v12v222as1v21 m/sڽٰpֱ\ܵǰܵİF1=FL12v1L22v2L22 m4֣

                 3ڽֱٰ\Ժ㣬F2=FF(xin)24 N4֣

                 4ɹP(gun)ϵ֪F2ĹȫD(zhun)ɟQs130 J4֣

              2612֣Ŷ̼1֣/[H]ATP2֣/|(zh)|(zh);w2֣/ͬλؘӛ2֣C32֣502֣15r25rĵͣ2֣m(dng)҃͜(ni)Ĝضȣ2֣

              2718֣Ÿ2֣Ɯy2֣/F1t۴ƹω2֣Ԡɣ2֣Ⱥt۹ω2֣zDDˆD4֣

                 

              2812֣

                 A 1֣

              ȡɫĩSԇmϡ}ϡКݮa(chn)ԭɫĩFoݮa(chn)tԭĩFe3O42ɣ

              øĚcɫĩӟᷴ(yng)ßoˮ~zyˮa(chn)üһ̼ccɫĩӟᷴ(yng)óʯˮzyж̼a(chn)

              2ɣ

                 2塭1֣

              ɫɼtɫ׃?yu)ɫҲܞFe3O4

              10/9 F(xin)e3O4

              B1֣

              2912֣I.1AB 2֣

                 2ş  2֣

                 3AC(yng)_ʼv>v(yng)MNH3CE_ƽ⣬ʹƽNH3%׃С 2֣

              II1Cs + 2Cl2g + 2H2Og = CO2g + 4HClg H= D 580kJ/mol2֣

                 212642֣

                 3+131.3kJ/mol2֣

               30I1bc2֣2b2֣

              II K=   2֣ ş  2֣  

              b   2֣1.510-3mol/L?s    

              b   c   4֣ c  2֣

              31[W(xu)һW(xu)cW(xu)g(sh)] 8֣

                 1^V1֣l(f)ssY(ji)1֣

                 2NH4H2PO4  NH42HPO4

                 3CaSO4

                 4ܡ1֣5BC2֣

              32[W(xu)һ|(zh)Y(ji)(gu)c|(zh)]8֣

              1S22S22P63S23P2

              N 1֣ F   SP

              2, H2O, SiO2

              33[W(xu)DЙCW(xu)A(ch)]8֣

                 1̼̼pI?CHO2֣

                 2AC  1֣ D 1֣

                 31֣

              W(xu)ƾW(wng)(Zxxk.Com)

               

               

               

               

               

               

               

               

               

               

              348֣[DD\g(sh)`]żԅ/ƾAεĺĸoa(chn)w粻rųƿӻƿwÛ/ǷֹкsM/ĸMa(chn)ˮǷֹȾ̼ԴԴˮoC}Lӣ2֣

              358֣[DDF(xin)Ƽ}]ͬһNøDNABøƘӛؽM|(zh)ĺYxcU/ܾѣwwֲ:ܾѶɣ/Óֻ/ٷֻȿԭ-wsɃ(ni)̡

              368֣[D3D3]

                 1՚Mˮyɶ϶΃H30cm˿՚

                 2϶ˮyγɵĿ՚L5cm¶ο՚O(sh)ƵľxxU͹ҹ܃(ni)܃(ni)2tҹܙMeܵ4®a(chn)Ŀ՚L11cm4֣

               

               

               

              378֣[D3D4]

              𰸣T=4sv=n=0.1.2.3.

              ĈDֱӵõT=4sڲxx2cx1cĈDϿԿ(dng)cx1λƞrx2cλƞ㣬ٶָySɴ˿֪x2ٱx11/4ӵԣx2ҲT+1/4T2T+1/4T3T+1/4Tһx2x1ĕrgɲP(gun)ϵ֪n=0.1.2.3.

                 2

              388֣[D3D5]

              ⣺1

                 2O(sh)ᕺ˵ķ_ٶȴСvɄغ㶨ã2֣

                 

                 3˥׃^Юa(chn)ęCе

                 

              ɐ˹̹|(zh)ܷã

                  E=mc2

                  a(chn)@ЩCеҪ̝p|(zh)

                 

               

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