题目内容

The text is mainly about ________.
[A] the China-U. S. relations
[B] the Nixon Library
[C] President Nixon
[D] the youth Summit

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Geothe often did outdoor skating and swimming.

A. Right B. Wrong C. Not mentioned

二、根据所给图表、文字资料回答126-130题。在2008年8月8日至24日奥运会期间，北京市的空气质量不仅天天达标，而且有10天达到一级，全面兑现了对奥运会空气质量的承诺。下图是2008年1-8月北京市大气质量检测情况，图中一、二、三、四级是空气质量等级，一级空气质量最好，一级和二级都是质量达标天气。2008年北京市的空气质量控制目标是全年达标天数累计达256天。
第126题：1-8月空气合格天数超过20天的月份有多少个？

A. 4 B．5 C．6 D．7

I had some difficulty in carrying out the plan.
A making
B keeping
C implementing
D changing

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.