根据网考网考试中心的统计分析,以下试题在2016-1-27日托福考试习题练习中,答错率较高,为:52%
【单选题】A block and tackle is a () of pulley blocks and ropes used for pulling or hoisting large objects.
A. mechanical set special
B. set special mechanical
C. special mechanical set
D. special set mechanical
参考答案:C,答错率:52%
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