(2) This kind of medicine will! _______ your health.

A. effect B. affect C. effects D. affects

翻译句子

(3)他们毫无结果地工作了一天。

__________________________________________

3 waste n. & v.

用法点拨

（1）waste n. 浪费。不可数，但常与a连用。

Haste makes waste. (谚语) 欲速则不达

This is a waste of time. 这是浪费时间。

（2）waste n. 废料，废物，下脚料。不可数，但有时可加s。

（3）waste v. 浪费。及物、不及物均可。

（4）waste 常用于 waste sth. (on) sb./sth. 或 waste sth. (in) doing sth.

He wasted his money and time on meaningless things.

他把金钱和时间都浪费在没有意义的事情上了。

对应练习

单项填空

(1)Don't repair the car any more.. It is _______.

A. a waste of the money B. the waste of money

C. a waste of money D. waste of the money

(2)Don't waste time______. Time is precious.

A. play B. played C. to play D. playing

(3)Never waste time _______ games, will you?

A. in B. on C. at D. for

4. design vt .& vi. 设计，构思；计划，谋划；n.（1）design... for... (为......)设计......；为......拟定......

用法点拨

design to do sth. 打算干某事......