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外语
A、Surprising rise in global sea levels. B、Dangerous ice melts in Greenland. C、Changing weather patterns in summer. D、Record grow
A、Surprising rise in global sea levels. B、Dangerous ice melts in Greenland. C、Changing weather patterns in summer. D、Record grow
admin
2023-02-10
13
问题
Summer doesn’t begin for two more days,
but scientists are already sounding the alarm about dangerous ice melts going on right now in Greenland.
The vast island usually locks away enough fresh water in its ice sheet, which, if melted, can raise global sea levels by 6 meters. And research shows that in recent years, its ice has melted faster than ever before. This month, as temperatures in northwestern Greenland approach all-time highs, researchers are encountering unusual, surprising levels of melting ice in the region. The most significant concern here is how early this is all happening. Greenland experiences annual ice melt and growth cycles,
but this year, the melting season began in early May. That’s a month earlier than normal
and something that’s happened only once before in the historical record, in 2016. That means that not only is the ice melting very fast, it has more time to melt this summer than it would in a normal climate system. Longer melt seasons like this one seem to lead to much greater contributions to sea-level rise than in previous decades.
3. What is scientists warning in the news report?
4. What do we learn about this year’s ice melting season in Greenland?
选项
A、Surprising rise in global sea levels.
B、Dangerous ice melts in Greenland.
C、Changing weather patterns in summer.
D、Record growth of Greenland’s ice sheets.
答案
B
解析
题目问新闻中科学家发出了什么警告。新闻开头提到,格陵兰岛的冰正在融化(dangerous ice melts going on right now),科学家已敲响警钟(scientists are already sounding the alarm),故B项“格陵兰岛危险的融冰”正确。
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0
大学英语四级
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