题目内容

Questions 29 to 31 are based on the passage you have just heard.
第29题：

A. It limited their supply of food.
B. It made their eggshells too fragile
C. It destroyed many of their nests.
D. It killed many baby bald eagles.

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Filters and low tar tobacco make smoking safer.

A. Right B.Wrong C. Not mentioned

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A) distinguished B) different C) protected D) isolated

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“some” in the last sentence of the first paragragh refers to
A some cocoa trees
B some chocolate drinks
C some South American Indians
D some shops

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Scientist have to adapt their research to ‘economic needs’ in order to （）．

A. impress the public with their achievements
B. pursue knowledge for knowledge’s sake
C. obtain funding from the government
D. translate knowledge into wealth

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Questions 29 to 31 are based on the passage you have just heard.第29题：

A. It limited their supply of food. B. It made their eggshells too fragile C. It destroyed many of their nests. D. It killed many baby bald eagles.

Filters and low tar tobacco make smoking safer.

A) distinguished B) different C) protected D) isolated

“some” in the last sentence of the first paragragh refers toA some cocoa treesB some chocolate drinksC some South American IndiansD some shops

Scientist have to adapt their research to ‘economic needs’ in order to （）．

Questions 29 to 31 are based on the passage you have just heard.
第29题：

A. It limited their supply of food.
B. It made their eggshells too fragile
C. It destroyed many of their nests.
D. It killed many baby bald eagles.

“some” in the last sentence of the first paragragh refers to
A some cocoa trees
B some chocolate drinks
C some South American Indians
D some shops