题目内容
8.In the environment area,there is a system ________ the waste is disposed of by using theprinciples of ecology.( )
A. | in which | B. | which | C. | on which | D. | that |
分析 在环境领域,有一个利用生态学原理处理废物的系统.
解答 答案:A
本句为定语从句;先行词是system,由于该从句中缺少地点状语"in the system在该系统中",所以此处应使用关系副词where或in+关系代词which;故选A.
点评 本题考查了定语从句中关系词的用法;做类似的题时,需要熟练掌握定语从句的结构特点以及各关系词的用法.
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