available in various colors __________________

a variety of = all kinds of __________________

4. way n. 方式，方法

作为先行词，后面的定语从句可由that, in which引导，that也可以省略。

我不喜欢你嘲笑他的方式。

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[辨析]way, method, means：way强调简便方法；method指系统地、有条理地方法；means指用某种工具。用这种方法：in this way; by this means; by this method。

Television is an effective ____ of communication.

The new teaching ____ encourages students to think about for themselves.

I'm not happy with this ____ of working.

5. transmit vt. 传输，传播，传递

世界杯正在向五十多个国家现场直播。

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Teachers have the responsibility to ____ knowledge from one generation to another.

A. transmit B. recognize C. realize D. unload

The World Cup is being transmitted live to more than 50 countries. / A

6. stand for =represent 代表; stand out 显眼，突出；stand (for)sth./sb. 忍受

Well, that dress will make you ____ in a crowd.

Lily can't ____ working with Tom in the same office.

If you didn't agree, than what did your nodding ____?

7. sign n. 符号，牌子；手势；迹象 vt. 示意；签名

他知道每个交通标志的意思。

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他示意我们离开房间。

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Exports have risen by 20%, _______________________. (这是经济正在好转的迹象)

He knows what each traffic sign means. / He gave us a sign[signed(to)us] to leave the room. / a sign that economy is improving

8. inform sb. about/of sth. 告知某人某事