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问题 单项选择题

支气管扩张病人最主要的临床表现是（）

A.咳痰、咯血，反复呼吸道和肺部感染

B.干咳、发热、盗汗

C.慢性咳嗽、持续性胸痛

D.呼吸困难、胸闷气促

E.贫血、杵状指

答案

参考答案：A

解析：支气管扩张最主要的临床表现是咳痰、咯血，反复呼吸道和肺部感染。

补全对话，情景问答

情景交际。

用may成can的适当形式完成对话。

David :Where are you going to spend your vacation this year ,Mary?

Mary :l __1__ go to Australia with my family. I'm not sure. My mother wants to go there ,but my father would like to Africa. They    2    make up their mind.

David :Will you travel by plane or by ship?

Mary :We__3    travel by ship.

David :Is it cheaper or more expensive ?

Mary : It _  4    be cheaper ,but it takes a long time.

David : l'm sure you'll enjoy yourselves.

Mary: Don't be so sure. We__5     not go anywhere.
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单项选择题

(P/A,10%,4)=3.170，(F/A,10%,4)=4.641，则相应的偿债基金系数为( )。

A．3.170
B．4.641
C．0.215
D．3.641
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