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问题 计算题

先化简再求值：[（2a+b）2﹣（b﹣a）（a+b）]÷2a．此时a=2，b=﹣4．

答案

解：原式=[4a2+4ab+b2﹣（b2﹣a2）]÷2a

=[4a2+4ab+b2﹣b2+a2]÷2a

=（5a2+4ab）÷2a

=a+2b；

当a=2，b=﹣4时，

原式=×2+2×（﹣4）

=5+（﹣8）

=﹣3．

单项选择题 A1/A2型题

患者男，82岁。休息时被发现神昏不应，面色苍白，口唇发绀，呼吸微弱，四肢厥冷，汗出淋漓，舌淡胖，苔水滑，脉细无力。治疗应选取的主穴为（）。

A.合谷、水沟、三阴交、太冲、风池

B.内关、三阴交、极泉、尺泽、委中

C.内关、水沟、素髎、关元、神阙、百会

D.内关、水沟、三阴交、太冲、太溪

E.内关、水沟、十二井穴、太冲、合谷
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句型转换

句型转换。

1. Most young people find that watching a football match is exciting. (同义句)

Most young people find _______exciting _______ _______ a football match.

2. Our words made her face turn red. (被动句)

Her face _______ _______ _______ turn red by our words.

3. What other things would you like to buy? (同义句)

_______ _______ would you like to buy?

4. She has been an English teacher for three years. (同义句)

_______ _______ three years since she _______ an English teacher.

5. I hope I can visit Beijing for the Olympic Games this summer vacation. (同义句)

I hope _______ _______ Beijing for the Olympic Games this summer vacation.
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