2012年自考《英语(一)》每日一练(10.11)
单选题
1.[2008.10]When the engine broke down,the boat‘s crew found themselves ______ of the wind.
A.at the cost
B.at the mercy
C.at the rate
D.at the moment
正确答案: B
答案解析: 本题考查的是词组的固定搭配。at the cost of:以…为代价;at the mercy of:任凭…的摆布;at the rate:以…的比率;at the moment:此刻,…的时刻。
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