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        1. }ĿijW(xu)dȤСMͬW(xu)ˆDʾbøiȡһƿ

          (x)Fzȼ(sh)(yn). ڴԜy(c)ӟ 2g iռwe
          1ԭ (ûW(xu)ʽʾ)i
          2x٢ڵQ
          3}
          ٌ(sh)(yn)^аl(f)F(xin) B ƿеˮ׃t , ԭ
          ռ(x)Fzȼ(sh)(yn)r(sh) , l(f)F(xin)ƿը ? l(f)ʧ`IJԭ

          𰸡
          1
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          1iڼӟėliiW(xu)(yng)ʽ飺
          2(j)ҊxıJ(rn)֪ԇͲ
          3ٸiҺں@tɫ(sh)(yn)^аl(f)F(xin) B ƿеˮ׃tˣfi⛷ĩM(jn)BԌ(sh)(yn)^Б(yng)ԇܿڷһF(tun)޻޻Ƿֹ⌢䴵댧(do)FzȼųğɟRըƿˮɳʌ(sh)(yn)r(sh)ڼƿײһЩɳˮ


          c(din)c̼F|(zh)ķ(yng)F(xin)ȡbÌ(du)}ĿM(jn)Д༴ɵõҪ֪Vcl(f)ҫ۵İ׹ųɰɫwFXȼҪڼƿײˮ(x)ɰĿģֹRĸߜۻըƿףFXڿ՚вȼl(f)bã̹̼ӟ͡Һӟͣ

          (x)(c)ϵд
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          ĿлW(xu) Դ

          }Ŀ՚ɷʳƷbÁ

          A.B.?d)?/span>C.ˮD.ϡКw

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          ĿлW(xu) Դ

          }Ŀc\l(f)ÓQ(yng)cAҺl(f)(f)ֽⷴ(yng)Һ

          A.Ȼ~ҺB.ʳ}ҺC.Ȼ}ҺD.̼cҺ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿлW(xu)(sh)(yn)_(d)A(y)ڌ(sh)(yn)Y(ji)ǣ
          A.бPƽֶΜy(c)~\Ͻ\|(zh)?jn)?sh)36.25%
          B.pHԇy(c)ijδ֪ҺpH5.5
          C.20r(sh)2%Ě}Һ
          D.100g 10%ϡ}ӟl(f)50gˮʹϡ}|(zh)|(zh)?jn)?sh)׃20%

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          ĿлW(xu) Դ

          }Ŀ|(zh)ڿ՚ȼ^쵽ĬF(xin)_

          A.ڿ՚ȼa(chn){(ln)ɫƼԚζĚw

          B.FzЄȼɺɫw

          C.ľ̿ȼl(f)׹ɶ̼

          D.tڿ՚ȼl(f)Sa(chn)F

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          ĿлW(xu) Դ

          }Ŀ֪ADɫwBEoɫҺwCEoɫw(yng)٢ڼɫĩ Mܴӿ췴(yng)Mڷ(yng)ǰ|(zh)ͻW(xu)|(zh)׃

          1ɢ٢ڢۢĂ(g)(yng)ķʽ


          2Ҫx(yng)еĺɫĩ M, ɲõIJQ  ԓIJx

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿP(gun)f_ǣ

          A.·ɿfضԽ\(yn)(dng)Խ

          B.՚ɿ՚Ә(gu)ɵ

          C.ȻcȻcxӘ(gu)ɵ

          D.wܟÛ?yn)ضߚw׃

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿP(gun)4P + 5O2 2P2O5f_ǣ
          A.ԓ(yng)ԭӵķNl(f)˸׃
          B.ӷ(yng)ԭӺԭӵĂ(g)(sh)
          C.ӷ(yng)c|(zh)Ȟ3140
          D.ӷ(yng)cɵ׵ķӔ(sh)֮Ȟ25

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿijƼ(ji)(dng)УͬW(xu)x|(zh)̪ҺⰱˮʉAד]l(f)Ȟ꼉(j)ͬW(xu)һMW(xu)Сħg(sh)Ո(qng)W(xu)W(xu)֪R(sh)_֮i.
          ħg(sh)1ˆD顰F_.^쵽ĬF(xin)Fzϵ޻F(tun)uɰɫ׃?yu)tɫa(chn)ԓF(xin)ԭ.CҺ.

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