Smoking, ____ some smokers, might ease their anxiety sometimes, but ____ the addiction caused by their constant practice, it is really hard to give up.


  1. A.
    according to; due to
  2. B.
    according to ;because
  3. C.
    as to; since
  4. D.
    thanks to;if
A
該題介詞短語意義辨析。首先應從句子結構入手，找出句子的主要成分：Smoking might ease their anxiety but it is really hard to give up。其中的兩個介詞短語分別充當狀語。因為句子中的addiction是被過去分詞短語修飾的名詞，因此它前面不能用連詞，只能用介詞；而且后的but分句表示轉折，因此只能選擇due to。本句的意思是：一些吸煙者認為，吸煙可能有時會緩解其緊張的情緒，但是，由于這種連續(xù)不斷的行為所形成的煙癮是很難戒掉的。
【標簽】介詞短語意義辨析
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