2. 外语
  3. There are many kinds of synthetic materials,_____plastics are the most common.

There are many kinds of synthetic materials,_____plastics are the most common.

admin2012-03-21  88
问题 There are many kinds of synthetic materials,_____plastics are the most common.
选项 A、between which
B、of which
C、in which
D、among which
答案D
解析 语法类试题(代词的使用)。关系代词which替代的是synthetic materials，实际上要求选择的是介词。between指两者之间，而句子中是many kinds。of在与形容词最高级连用表示比较范围时，多用于all等确定的范围，如of all the synthetic materials，plastics are the most common，而句中的many是个不确定的概念。in在表示比较范围时，后接的名词多有整体范围的含义，试比较：He is the best student in his class．He is the beststudent of the three．Among“在……当中”，相当于：plastics are the most common among synthetic materials．
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