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)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?