根据网考网考试中心的统计分析,以下试题在2016-1-28日托福考试习题练习中,答错率较高,为:82%
【单选题】About 75 percent of all cadmium is used for cadmium plating of () such as iron and steel.
A. easily corroded metals
B. metals are easily corroded
C. corroded metals that easily
D. how easily metals corroded
参考答案:A,答错率:82%
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