题目内容：

John is twelve years old. He had a bad cold and coughed day and night. He went to see a doctor. The doctor gave him some cough medicine.

Cough Medicine Shake it well before use. Take it three times each day before meals.
Age	Dose (药量)
over 14	2 teaspoonfuls (勺)
8～13	1 teaspoonful
4～7	1/2 teaspoonful
Not right for children below the age of three. Put it in a cold place. Use it before December 1st2006.

 

1.John should take _________ a day.

A. 2 teaspoonfuls B. 3 teaspoonfuls

C. 4 teaspoonfuls D. 1 teaspoonful

2.John should ________ before he takes it.

A. shake the medicine well B. eat something

C. do some exercise D. drink a cup of tea

3.When people are _________ years old, they can’t take this medicine.

A. eighty B. thirty C. two D. twelve