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What is said about the iceberg chunks? [originaltext]A huge iceberg heading towa
What is said about the iceberg chunks? [originaltext]A huge iceberg heading towa
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2023-10-14
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问题
What is said about the iceberg chunks?
A huge iceberg heading towards South Georgia in the southern Atlantic has split into three chunks. NASA scientists are tracking the main berg, called A68a. It split from an ice shelf in 2017 and has been floating north ever since. A fast-moving stream of water in the Southern Antarctic has put the chunks on a course that could see them run aground off the South Georgia coast. Scientists say the three fragments are about 2,600 square kilometres in size. The size of the chunks is a big threat to the South Georgia wildlife. It could be an environmental catastrophe. If they hit the seabed, they could block penguins and seals from looking for fish.
选项
A、They resulted from an ice shelf split some 20 years ago.
B、They are each as big as some 260 square kilometers.
C、They are a big threat to the South Georgia wildlife.
D、They may destroy South Georgia altogether once running aground.
答案
C
解析
根据新闻定位句可知,冰山的尺寸对南佐治亚的野生动物来说是一大威胁。故选C。
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