2. 职称英语
  3. I hope all the precautions against air pollution, ______ suggested by the local

I hope all the precautions against air pollution, ______ suggested by the local

游客2023-11-23  21
问题 I hope all the precautions against air pollution, ______ suggested by the local government, will be seriously considered here.
选项 A、while
B、since
C、after
D、as
答案 D
解析 as作关系代词，引导定语从句，as指代整个主句，本句中as作从句的主语。例如：He did it on purpose，as is often the case．这是他故意干的，情况通常是这样。The sunrise，as is seen from the top of Mount Tai，is a brilliant spectacle ．从泰山顶上看日出是一片辉煌壮观的景色。而while，since和after都是连词，只能引导状语从句，不在从句中作成分，更不用说作主语了。
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