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They used radio waves instead of sound waves, since radio waves can penetrate fog and clouds. ( Passage 1)
They used radio waves instead of sound waves, since radio waves can penetrate fog and clouds. ( Passage 1)
admin
2010-10-31
37
问题
They used radio waves instead of sound waves, since radio waves can penetrate fog and clouds. ( Passage 1)
选项
答案
他们是用无线电波而不是声波,因为前者可以穿透云层和雾气。
解析
instead of而不是;since因为,既然,由于;penetrate穿过,刺入,渗人。
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本试题收录于:
英语题库普高专升本分类
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英语
普高专升本
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