单项选择题

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

A. One that is already extinct in some parts of the world.
B. One that is extremely dangerous to humans.
C. One that faces threats from humans in its natural surroundings.
D. One that is likely to extinct in its natural home.

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问答题

TRX is considering （） its pet policy as it intends to increase the number of its employees.

单项选择题

A. The climate there is too cold. B. The air-fare is quite expensive.C. He has visited it twice before. D. He does not have the passport.

A. The climate there is too cold.
B. The air-fare is quite expensive.
C. He has visited it twice before.
D. He does not have the passport.

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。

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