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问题 单项选择题

在鼻功能检查法中NV是（）。

A.鼻腔有效横断面积

B.平均鼻腔最狭窄面积

C.压速关系曲线

D.鼻咽部容积

E.鼻腔容积

答案

参考答案：E

单项选择题

What is sometimes referred to as global illiteracies

A) The ability to read reports written in many different languages.
B) The ability to succeed in a cross cultural environment.
C) The ability to develop intenationally accepted contracts.
D) The ability to communicate using drawings and pictograms which are understood all over the world.
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单项选择题

某人开车从A镇前往B镇，在前一半路程中，以每小时60公里的速度前进；而在后一半的路程中，以每小时120公里的速度前进。则此人从A镇到达B镇的平均速度是每小时多少公里？

A.60

B.80

C.90

D.100
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