In this passage, scientists warn of______. According to the passage, in the long run, abrupt climate change______.

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问题 In this passage, scientists warn of______.
According to the passage, in the long run, abrupt climate change______.

选项 A、could make the Gulf Stream warmer
B、could melt much ice on Earth
C、could submerge the whole European continent
D、could evaporate all fresh water on Earth

答案B

解析 细节题。根据最后一段,突然气候变化的长远影响有:改变决定地区性全球气温的基本系统;从理论上讲,the Gulf Stream,一股现在维持着北欧大部分气温的大西洋暖流,会由于大量的冰融化的冷水流人大西洋而倒流,这一变化会很快影响欧洲气候。由此可知,B导致地球上冰雪融化是正确答案。
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