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

According to the passage, the proper way towards a pain is _______.

A．taking different medicines
B．paying no attention to it
C．visiting famous physicians
D．none of the above

单项选择题

What are the author's present feelings about his or her children

A．Their behavior is improving.
B．They are approaching a difficult age.
C．They don't spend enough time at home.
D．They are choosing strange friends.