题目内容
【题目】 (2015·江苏)The number of smokers, _____ is reported, has dropped by 17 percent in just one year.
A. it B. which C. what D. as
【答案】D
【解析】句意:据报道,吸烟者人数仅(过去)一年就减少了17%。分析句子结构可知,_____ is reported是非限制性定语从句,关系词所表示的意义为"正如"。故用as。which引导的非限制性定语从句无此意义。
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