What problems do the teenagers probably have? Here is a survey showing their main problems.

Problems	Causes	Advice
Feeling stressed	Too much homework; Don’t have enough time for their hobbies.	Make a plan for study and hobbies. Find time to relax as possible as you can.
Getting short-sighted(近视的)	Too much homework; Bad reading and writing habits.	Do homework or reading in a correct way.
Fighting with each other	Don’t know how to get on well with classmates.	Make more friends and understand each other. Share your problems with them.
Feeling tired of study	Computer games’ bad influence	Don’t be crazy about computer games. Play them just for a short time when you are tired.
Getting fat	Having more pocket money to buy snacks; Dislike doing exercise.	Use your pocket money to do something meaningful. Spend some time doing exercise every day.

How many main problems are there in the survey?

A．Four.

B．Five.

C．Six.

D．Seven.

What problems are caused by too much homework?

A．Feeling stressed and fighting with each other.

B．Feeling tired of study and getting fat.

C．Feeling stressed and getting short-sighted.

D．Getting short-sighted and feeling tired of study.

If Simon is feeling stressed, he should           .

A．do much more homework

B．make a plan to spend time on study and hobbies

C．donate(捐赠) his pocket money to Project Hope

D．buy some snacks

Peter is tired of study, maybe because he           .

A．has no close friends

B．has no pocket money

C．plays too many computer games

D．gets fatter and fatter

       is a good way for the teenagers to stop fights.

A．Doing less homework

B．Playing computer games

C．Learning how to make friends

D．Paying no attention to each other