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Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A. People keep cutting down the rain forests.
B. Sea levels rise.
C. The earth’s land is destroyed.
D. Some wild animals are extinct.

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单项选择题

Passage Two Questions 29 to 31 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。