托福考试

根据网考网考试中心的统计分析，以下试题在2018/7/31日托福考试习题练习中，答错率较高，为：65%
【单选题】 Why does the author mention the Giotto probe in paragraph 3
A．( It had a relatively small and inconspicuous nucleu
B．( It was very similar to an asteroi
C．( It was covered with an unusual black dus
D．( It provided visual evidence of the makeup of a comet's nucleu

网考网参考答案：D，答错率：65%
网考网试题解析：
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