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『资料评论』  点击这里发表或查看更多评论 好评率:100.00% 差评率:-
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 □ [好评]青苹果汁遇碘溶液显蓝色,熟苹果能还原银氨溶液。这说明 A. 青苹果中只含淀粉不含糖类 B. 熟苹果中只含糖类不含淀粉C. 苹果成熟时淀粉水解为单糖 D. 苹果成熟时单糖聚合成淀粉4、等质量的下列烃完全燃烧,消耗氧气最多的是 ( )A.CH4 B.C2H6 C.C3H6 D.C6H65、蔬菜、水果中富含纤维素,纤维素被食入人体后在作用是 ( )A.为人体内的化学反应提供原料shusan297 <6-9 13:19>
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 □ 好huangsy5136 <5-21 15:10>
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 □ [好评]chemdraw <1-5 22:35>
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 □ [好评]基础全面非常好。wwwwllmm <12-15 10:26>
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 □ [好评]haohujing456789 <6-15 22:9>
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