题目内容：

  Do you always understand the directions on a bottle of medicine? Do you know what is meant by "Take only as directed"? Read the following directions and see if you understand them.

　　"To reduce pain, take two tablets(药片)with water, followed by one tablet every eight hours, as required. For night-time and early morning relief take two tablets at bedtime. Do not take more than six tablets in twenty-four hours.

For children six to twelve years old, give half the amount. For children under six years old, ask for your doctor's advice.

　　Reduce the amount if you suffer from restlessness or sleeplessness after taking the medicine.

1. How many tablets at most can a person over 12 have in 24 hours?

　 A. Eight　　　　  B. Six　　　　　C. Four　　　 D. Three

2. How many tablets should a nine-year-old child normally take in 24 hours?

　 A. Half a tablet.                                 B. One tablet.

　 C. Two tablets .                              D. Four tablets.

3. What is the advice for one who cannot sleep well after taking the medicine?

　 A. Stop taking the medicine at bedtime.

　 B. Take less than the normal amount.

　 C. Take more than the normal amount.

　 D. Continue to take the normal amount.

4.It can be inferred from the directions that this medicine      .

　 A. helps you to fall asleep quickly

　 B. should not be taken by children under six　　

　 C. cannot be taken if one feels sleepy

　 D. may be dangerous to small children