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问题 单项选择题 A1/A2型题

以下情况中可以使用呼吸兴奋剂的是（）

A.呼吸道梗阻者

B.分泌物黏稠有潴留者

C.严重广泛肺部病变者

D.呼吸表浅不规则者

E.神经肌肉疾病者

答案

参考答案：D

选择题

Taiyuan，a city in North China，was struck by a heavy snowfall last week，________serious traffic problems.

A．to face

B．faced

C．facing

D．having faced
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选择题

—I wonder ________ so many people are crazy about Gangnam Style.

—It's good for bodybuilding, and it brings people a lot of fun, you know.

A．how

B．where

C．why

D．that
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