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单选题
A
Pollution of coastal areas.
B
Rise in sea levels.
C
Exhaustion of sea resources.
D
Earthquakes and volcanoes.
参考答案
参考解析
解析：
[考点]细节题。文章开头给出答案“Scientists say world coastal areas must prepare now for a rise in sea levels.”故B项正确。
[考点]细节题。文章开头给出答案“Scientists say world coastal areas must prepare now for a rise in sea levels.”故B项正确。
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