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        1. Ќ(du)P(gun)(sh)(yn)F(xin)
          AFzȼr(sh)ƿƿըѡFz]@
          Bʯˮ̼ͨo@F(xin)󡪡ʯˮ׃|(zh)
          Cøir(sh)ˮˮ׃tˡϨƾ
          D늽ˮõĚcweȴ21Țˮ
          BD

          ԇ}Fzȼr(sh)ƿƿըǼƿ]мСˮ(x)ɳAe(cu)`̼ʹʯ׃ᣬʯˮ̼ͨo@F(xin)ʯˮ׃|(zh)xBøir(sh)ˮˮ׃tԇܿڛ]з޻Ce(cu)`늽ˮr(sh)Ěcweȵ21F(xin)ښcweȴ21͚ܽԷⲻˮyˮxD
          (x)(c)ϵд
          P(gun)(x)}

          ĿлW(xu) ԴԔ x}

          ˮɲĤxg(sh)Dʾ(du)Ĥ҂(c)ĺˮӉˮӿ͸^ĤM(jn)(c)ˮˮеĸNxӲͨ^ĤĶõˮ(du)Ӊ҂(c)ˮɷ׃M(jn)з_ǣ
          A|(zh)|(zh)?jn)?sh)pB܄|(zh)p
          CҺ|(zh)׃D|(zh)|(zh)

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ x}

          f_ǣ
          Aϴr(sh)ҪϴҊK|(zhn)
          BԇЃAҺwԇr(sh)ԇƿڲܰԇܿ
          CȡҺwr(sh)ҕ(yng)cͲ(ni)ҺwҺ̎
          DoԇеҺwӟr(sh)ʹþƾ⣬߀ʹԇ܊A

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ }

          _Č(sh)(yn)nj(sh)(yn)ɹҪCՈ(qng)(du)һŒ(sh)(yn)M(jn)з
          (sh)(yn)(ni)
          (sh)(yn)b
          ^c
          Fzڼȼ

          Dʾc(din)ȼBͬFz뼯ƿ²δ|ˮFzδȼᘌ(du)Ո(qng)?zh)һlM(jn)h          
          y(c)՚O2ĺ

          þ۹Rȼ׺AoɊA
          ڷ(yng)ֹͣsҜ_ɊAM(jn)ƿ?j)?ni)ˮ^ƿݷe1/5
          ۏIJǶȷa(chn)`ԭǣһc(din)
                              
          òcNa2C2O4ֽa(chn)CO߀ԭCuOF_(ti)ԣ

          ٌ(sh)(yn)_ʼ(yng)c(din)ȼA̎ƾ^һ(hu)c(din)ȼB̎ƾ@ӲĿ_____    _______
          B̎܃(ni)ĬF(xin)___ ____l(f)(yng)ĻW(xu)ʽ        
          ԓbдM(jn)֮̎                
           

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ x}

          (du)Ռ(sh)(yn)о|(zh)|(zh)һNҪвÁ(du)Ռ(sh)(yn)
           
          A                         B                     C                  D

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ x}

          W(xu)һTԌ(sh)(yn)A(ch)ĿƌW(xu)ˆD14ǽ̿ƕP(gun)(sh)(yn)bÈD

          1D1ütȼy(c)՚ĺtȼĻW(xu)(yng)ʽ              ԓ(sh)(yn)y(c)Y(ji)ƫСԭ            һc(din)ɣ
          2D2(yn)C|(zh)Č(sh)(yn)Aʢsˮϡ^ķ̪ҺBʢⰱˮ(sh)(yn)аl(f)F(xin)AеҺwɟoɫ׃?yu)?u>       ɫͨ^ˌ(sh)(yn)?zi)܉?yn)Cķ|(zh)                          
          3D3늽ˮ(sh)(yn)ˌ(sh)(yn)l(f)(yng)ĻW(xu)ʽ      ͨһΕr(sh)gДԴȼľlքeڃɂ(g)ܼڙz(yn)(yng)a(chn)ĚwЙz(yn)ؓ(f)Owr(sh)^쵽ĬF(xin)                       
          4D4ȡsˮĺ(jin)bãʹˮЧɌ(du)(sh)(yn)bһ(xing)M(jn)          

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ x}

          Ќ(du)Ȍ(sh)(yn)õČ(sh)(yn)Y(ji)Փ_
           
          (sh)(yn)
          (sh)(yn)Y(ji)Փ
          A.

          CO2ʹɫʯ׃t
          B.

          i^ֽĴ߻
          C.

          M(fi)PҪ
          D.

          ˮеܽԲͬ
           

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ x}

          СͥС(sh)(yn)܌(sh)F(xin)Ŀ   (     )
          Aˮʳ}ˮBȼbeëwScwS
          C^졪beܛˮcӲˮ Dܽ⡪beСKcA

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ x}

          ijͬW(xu)оijɫw|(zh)M(jn)Œ(sh)(yn)J(rn)鲻_Č(sh)(yn)                                                                 
          A^wɫ^Bȡˮԇܽ
          CLζDȡmӟ^Ƿ׃

          鿴𰸺ͽ>>

          ͬ(x)(c)