托福考试

根据网考网考试中心的统计分析，以下试题在2018/12/7日托福考试习题练习中，答错率较高，为：87%
【单选题】 According to the passage, the drilling of the glacier in eastern Antarctica was important because it
A．( allowed scientists to experiment with new drilling techniques
B．( permitted the study of surface temperatures in an ice-covered region of Earth
C．( provided insight about climate conditions in earlier periods
D．( confirmed earlier findings about how glaciers are formed

网考网参考答案：C，答错率：87%
网考网试题解析：
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