用强心苷治疗心力衰竭的患者，麻醉时使用琥珀胆碱可产生（）。

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问题单项选择题 A1/A2型题

A.无任何副作用

B.严重的室性心律失常

C.效果优于筒箭毒碱

D.作用减轻

E.作用延长

答案

参考答案：B

解析：使用琥珀胆碱会产生一过性血钾升高而引起室性心律失常，严重者甚至造成停搏。

阅读理解

阅读短文，选择正确答案。

Mary likes English very much. She works hard. She reads English every morning. She likes speaking

English. She often listens to the radio. She watches TV only on Saturday evening. Does she like dancing? No,

she doesn't. But she likes drawing and singing. Her parents like her very much. And all the teachers and her

friends like her, too.

1. In the morning, Mary ___________. [ ]

A. writes English

B. reads English

C. draws

D. sings

2. She often listens ___________.[ ]

A. TV

B. to TV

C. the radio

D. to the radio

3. Mary watches TV __________.[ ]

A. in the morning

B. in the afternoon

C. every evening

D. on Saturday evening

4. What doesn't she like?[ ]

A. Singing.

B. Dancing.

C. Drawing.

D. Speaking English.

5. Does her father like her? [ ]

A. Yes, he does.

B. Yes, he is.

C. No, he doesn't.

D. No, he isn't.

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单项选择题

程砚秋以演唱（）著名。

A.吕剧

B.豫剧

C.越剧

D.京剧

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