4. You should these books (把……分為) two parts.

5. 別把票扔掉！ the ticket !

3. You need some warm clothes to yourself(保護(hù)……不受……侵害) the cold.

1. I am    (有機(jī)會(huì))to win. 

2.  (與……相比) other boys,he is the best.

5. Mary looked sad. She felt lonely and (無望的) .

3. The waste from the (工廠) polluted the river.

4. The air pollution is our great (敵人) .

1. (祝賀) to our winners on the match.

2. —Are you(感覺) better now?

—Yes,thank you.

6. 我們不能期待立竿見影，但是讓我們從今天開始采取一些措施吧，這樣我們將會(huì)為我們的后代子孫拯救世界。

We cannot  rapid change,but let's take these simple steps today  we will save the world for our grandsons and granddaughters tomorrow.

5. 雖然現(xiàn)在污染很嚴(yán)重，但是我認(rèn)為不是沒有希望。

Though pollution is heavy now,I  hopeless.

4. 談?wù)撐覀冏霾坏降氖虑槭菦]有用的。

  about things we can't do.

3. 你介意我試一下嗎？

  if I try it out?