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问题 单项选择题 A1/A2型题

哌替啶（度冷丁）不单独用于胆绞痛的原因是（）

A.易成瘾性

B.抑制呼吸

C.抑制肠道蠕动

D.镇痛效果差

E.提高胆道平滑肌及括约肌张力

答案

参考答案：E

选择题

(2013·辽宁五校第一联合体高三考试)—Who is the girl over there?

—Isn't that the secretary you want ________ the article?

A．to have type

B．her to type

C．to have typed

D．her type
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选择题

It’s cloudy. You had better ________ an umbrella.

A．take

B．to take

C．taking

D．takes
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