题目内容
【题目】The experiment, though they had tried their best, ________ to be a failure.
A. turned up B. turned out
C. turned in D. turned on
【答案】B
【解析】
试题分析:考查短语。句意:尽管他尽了自己的最大努力,实验还是失败了。A.出现;B.制造;C.上床睡觉;D.打开。turn out 意思有制造,关灯,结果是,所以选B。
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