单项选择题

Which statement is true about first aid

A．It usually makes the services of a doctor unnecessary.
B．It is usually done by someone who is not a doctor.
C．It is usually done by a doctor.
D．It is usually done by the victim himself.

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单项选择题

The main idea of the passage is

A．women in Pakistan are liberated totally
B．women in Pakistan are entering men' s world
C．women in Pakistan should wear traditional clothes and stay at home
D．women in Pakistan are running some business completely

单项选择题

What is the writer’s main point

A．Animals yawn for a number of reasons.
B．Yawning results only from fatigue or boredom.
C．Human yawns are the same as those of other animals.
D．Only social animals yawn.