Carbon dioxide, which makes a between us and the sun, prevents heat from getting out of t

发布时间:2020-08-17 04:50:37

Carbon dioxide, which makes a      between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is being warmer.
A. difference
B. parison
C. connection
D. barrier

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A. difference
B. parison
C. connection
(答案→)D. barrier
解析:句意:在人类和太阳之间起重要作用的二氧化碳,防止热很轻松从大气中失去,因此地球正在变暖。make a difference“有影响;起(重要)作用”,这是一个固定搭配。
【考点定位】考查动词和名词的固定搭配。
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