2. 外语
  3. Recently, great advances have been made in the study of Venus’ surface by the use of radar waves to _________ the dense cloud la

Recently, great advances have been made in the study of Venus’ surface by the use of radar waves to _________ the dense cloud la

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问题 Recently, great advances have been made in the study of Venus’ surface by the use of radar waves to _________ the dense cloud layer.
选项 A、pierce
B、penetrate
C、plunge
D、persecute
答案B
解析 考点  动词辨析。penetrate“穿透”；pierce“刺穿，刺破”，尤指用尖锐物穿孔；plunge“投入；跳入”； persecute“迫害”。
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大学英语六级

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