单项选择题

As soon as person gets "threshold pains", he should ______.

A．telephone the doctor immediately
B．first relieve the stress and tension which cause the pains
C．wait to let the pains reach a certain point
D．take pain-killer

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热门试题

单项选择题

Some people suffering from a pain do not go to hospital because ______.

A．they are horrified to get the bad news
B．they think no medicine is effective
C．they think the pain will disappear as soon as you forget it
D．they are too busy.

单项选择题

Which of the following is TRUE

A．A pain can only be caused by physical harm.
B．Some people are complaining of a pain which does not exist.
C．A pain can be caused by psychogenic factors.
D．Educated people do not complain of nonexistent pain.