单项选择题

Which of the following symptoms will distinguish the flu from a cold

A．A stuffy nose.
B．A high temperature.
C．A sere throat.
D．A dry cough.
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单项选择题
We learn from the passage that ______.
A．one doesn't need to take any medicine if he has a cold or the flu
B．aspirin should not be included in over-the-counter medicines for the flu
C．delayed treatment of the flu will harm the liver and central nervous system
D．over-the-counter drugs can be taken to ease the misery caused by a cold or the flu
单项选择题
According to the passage, to combat the flu effectively,______.
A．one should identify the virus which causes it
B．one should consult a doctor as soon as possible
C．one should take medicine upon catching the disease
D．one should remain alert when the disease is spreading
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