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

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1 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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2 Which of the following symptoms will distinguish the flu from a cold（　　）?

A．A stuffy nose

B．A high temperature

C．A sore throat

D．A dry cough

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3 If children have flu-like symptoms, their parents（　　）.

A．are advised not to give them aspirin

B．should watch out for signs of Reye syndrome

C．are encouraged to take them to hospital for vaccination

D．should prevent them from mixing with people running a fever

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