根据网考网考试中心的统计分析,以下试题在2018/11/7日托福考试习题练习中,答错率较高,为:74%
【单选题】 The chief (commercial) source of bromine is ocean water, from (what) the element is extracted by (means of) chemical (replacement) by chlorine.
A.commercial
B.what
C.means of
D.replacement
网考网参考答案:B,答错率:74%
网考网试题解析:
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