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问题 单项选择题

心肌梗死的二级预防不包括（）

A.戒烟

B.降脂

C.阿司匹林

D.ACEI

E.短效钙拮抗剂

答案

参考答案：E

解析：对心肌梗死后难治性心绞痛可给予钙拮抗剂，但应采用长效制剂。

阅读理解

通读对话，然后选择可以填入相应空白处的五个答案。

A：Good morning. ____

B：Yes, please. Could you introduce me a nice place to see over the weekend?

A：OK, Qingdao is a nice place to visit. ____ The weather is neither hot nor cold.

B：Sounds good. ____

A：You can get there by train.

B：Shall I visit places of interest by bus in Qingdao?

A：Sure. ____

B：Really perfect. ____

A：280 yuan each person. It includes train tickets, park tickets, hotel and meals.

B：Well. It’s nice. I’d like to book the tour for two.

A．It’s the right time to go there.

B．Which place are you going to visit?

C．How can I get there?

D．Hope you will have a great time there.E. How much does it cost?    F. Can I help you, madam?

G. Our sightseeing bus will take you around the city.
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单项选择题

氧--乙炔焰心呈淡紫兰色，轮廓不太明显，外焰呈兰紫色，火焰燃烧时有噪音，最高温度为3100～3300℃，具有上述特征的火焰是（）。

A.氧化焰

B.中性焰

C.碳化焰
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