小儿药物剂量计算方法中最为准确的方法是（） A.按身长计算 B.按体重计算 C.按体

Jack is a high school student. He is seventeen years old. He is in Grade two now. he had a bad stomachache three days ago. He went to see the doctor. The doctor gave him a bottle of medicine. Here are the words on the bottle:
Stomachache medicine
You must shake（摇晃） the bottle before you take it.
You must take it three times a day.
You should take it after meals.

Age                        Dose（剂量）

More than 16                 three teaspoons （药勺）each time

8---15                       two teaspoons each time

5---7                       one teaspoon each time

Notes: the children under 4 years old CANNOT take this medicine. Please put it in a dry and cold place. Take it before Oct.31, 2009.
根据短文内容，选择正确答案。
小题1:Jack should take the medicine __________.

A．before meals

B．after meals

C．before sleep

D．after sleep

小题2:Jack should take ______of the medicine a day.

A．1 teaspoon

B．4 teaspoons

C．9 teaspoons

D．2 teaspoons

小题3:Jack should ___________ before taking the medicine.

A．eat no food	B．drink no milk
C．shake the bottle	D．drink some water

小题4:Children can take the medicine when they’re ______ years old.

A．under 4

B．more than 4

C．more than 16

D．between 8and 15

小题5:Jack _______ the medicine after October 31,2009.

A．has to take

B．has to sold

C．can take

D．can’t take