综合演练
Some people think that they will get ill if they use their brains__1__much.It is not true.Through many studies，scientists show us that the__2__(much) you use your brain，the better it will be and the__3__(clever) you will become.
Of course，if you want to keep your mind__4__(clearly) and active，you must take a proper rest and study__5__(proper)．To the teenagers，using their brains in the morning is__6__(well) for their health.
There are many ways to rest.One is a__7__(peace) rest.Sleep is a peaceful rest.Another is an__8__(act) rest.For example，take a walk__9__(outdoor) and do more exercise every day.To change the way of brains' activities is also a good way to rest.
In everyday life，to eat some eggs，meat，fresh vegetables and fruit is also good for the brains.
Wish you a wise man and a__10__(happily) life.
[语篇解读] 本文说明大脑越用越聪明及如何保护大脑。
1．解析：too much“太多”。副词too可用来修饰形容词或另外一个副词，意为：“太”。
答案：too
2．解析：根据本句中的the better it will be，可推知这里是“the＋比较级，the＋比较级”结构，故答案为more。
答案：more
3．解析：根据上题解析可知本题答案为cleverer。
答案：cleverer
4．解析：根据后面的active及其语法功能(作宾语补足语)可知本题答案为clear。
答案：clear
5．解析：本空需要用副词作状语，故填properly。
答案：properly
6．解析：“be good for”为固定短语，意为：对……有好处。
答案：good
7．解析：由语境可知应填peace的形容词形式peaceful。
答案：peaceful
8．解析：句意：另外一种为“忙碌的”休息。act的形容词形式为active。active“(尤指体力上)忙碌的，活跃的”。
答案：active
9．解析：此处需用副词作take a walk的状语。outdoor为形容词，outdoors为副词。
答案：outdoors
10．解析：设空处后为名词，故设空处应用形容词作定语。
答案：happy