2. 外语
  3. For years he struggled______as teacher, an agent and the president.

For years he struggled______as teacher, an agent and the president.

admin2012-09-13  69
问题 For years he struggled______as teacher, an agent and the president.
选项 A、by turn
B、on the turn
C、out of turn
D、in turn
答案D
解析 该题是词汇题，考查与名词turn有关的短语辨析。与介词by搭配的短语应该是by turns，表示“轮流、交替”，如：The book is，by turns，funny and very sad．这部书时而妙趣横生，时而悲悲戚戚。短语on the turn表示“在转变中、在变质”，如：The tide is on the turn．快涨潮了。／This ice cream is on the turn．冰激凌在变质。短语out of turn表示“在不该做某事时、不合时宜”，如：Excuse me if I’m talking out of turn．but I feel I must tell you the effect your behavior is having on your mother．如果认为我讲得不当请原谅，但我觉得我必须告诉你你的行为所带给你母亲的影响。短语in turn表示“轮流、一个接一个地”，如：The boys were sum moned in turn to see the examiner．男孩子们被一一叫去见主考官。因此，根据题意，选项D为最佳答案。
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