单项选择题

Experiments showed that nondrinkers had______.

A．higher blood pressure
B．lower blood pressure
C．larger amounts of' good cholesterol
D．smaller amounts of good cholesterol
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单项选择题
It can be learned that moderate drinking______.
A．is recommended by most doctors for heart patients
B．should be permitted on prescription
C．is still not medically advisable
D．is not related to liver problems .
单项选择题
What can be inferred from the passage
A．The nondrinkers are much healthier than those who drink alcohol.
B．Moderate drinking can help to prevent the incidence of the cancer.
C．Moderate drinking is worthy of being recommended to everyone,
D．People who drink too much alcohol take more risks than teetotalers.
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