She worries about her health. = She is worried about her health.

　 2. out of 短语 out of work=lose one's job=be unemployed 失业

Jim has been out of work for months.

【知识拓展】(选学)

　out of breath

　out of patience

　out of petrol

　out of use

　out of order

　out of control

　out of danger

out of fashion

　out of date

　out of repair

　out of sight, out of mind.

4. The last thirty years have seen the greatest number of laws stopping our rights and progress, until today we have reached a stage where we have almost no rights at all. 过去三十年里出现了最多的法律来剥夺我们的权利, 阻挡我们的进步,直到今天我们已经到了几乎没有任何权力的地步.

【导学】 see 在此句意为"见证，目睹 "；(在某段时期)发生(某情况),经历,经受; 为某事发生之时，

The last few months have seen more and more traffic accidents.

The city has seen many changes.

5. only then did we decide to answer violence with violence. 只是在那时我们才决定以暴力对暴力。

【导学】当only修饰状语位于句首时，句子采用部分倒装的结构。

Only by practicing a few hours every day will you be able to master English.

Only when we lose something will we find the importance of it.

【特别提示】only 修饰主语时，句子不倒装。

Only he knew how to solve the problem.

6.But I was happy to help because I knew it was to achieve our dream of making black and white people equal.

【导学1】achieve v 达到，实现，完成。 n. achievement [c]成就，功绩

　　　　achieve one's dream 实现某人的梦想

【拓展】realize ones dream/ live one's dream

One's dream comes true.

【导学2】equal的用法

（1）equal adj. 平等的

Women demand equal pay for equal work.

　（2）be equal to 等于，相当于

I'm not equal to the position.

Be equal to sb in---在某方面和某人平等，相同

John is equal to Tom in height.