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【简答题】
一般的高聚物是化学组成相同、而相对分子质量不等和结构不同的同系物的混合物，即聚合物有两个多分散性，分别为______和______。
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皮皮学刷刷变学霸
举一反三
【单选题】''Forbidden fruit' temptation' means______.
A.
the criminals would like to take chances
B.
people are tempted to try the commercial vices
C.
people are tempted to bootleg drugs, etc
D.
the practitioners would like to join Mafia
【简答题】正投影法是投射线与投影面 的平行 投影法。
【简答题】正投影法是投射线与投影面( )的( )投影法。
【单选题】听力原文： It used to be that mentally retarded children were treated like criminals, nor was there any distinction made between the mentally retarded and the insane. Both were simply locked away in instit...
A.
Kindly.
B.
Badly.
C.
Like dogs.
D.
Like criminals.
【简答题】Some people don't like the() of using fingerprints because they associate them with criminals
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