Some people think that they will get ill if they use their brains (大脑) too much. It is not true. Through many studies, scientists show us that the more you use your brains, the better it will be, and the cleverer you will become.
Of course, if you want to keep your mind clear and active, you must take a proper rest and study properly. To the teenagers, using their brains in the morning is good for their health.
There are many ways to rest. One is a peaceful rest. Sleep is a peaceful rest. Another is an active rest. For example, take a walk outdoors, do more exercise every day. To change the way of the brains’ activities is also a good way to rest.
In everyday life, to eat some eggs, meat, fresh vegetables and fruitis also good for the brains.
Wish you a wise man and a happy life.
According to the writer of the passage, our brains should be used ____.

A．hardly

B．seldom

C．more often

D．sometimes

Which of the following sentences is not true?

A．Sleep is a kind of a good rest.

B．Doing morning exercises is a peaceful rest.

C．Going out for a rest is an active rest.

D．There are different activities for a good rest.

Which of the following can be used as the best title for the passage?

A．How to use your brains

B．How to rest

C．How to become a clever man

D．Keep your mind clear