6. 我们应该尽快采取行动来阻止这条河流受到污染。(prevent …from)

5. 我发现要和像他这样的一个人相处融洽不是件容易的事。(find it hard to do sth.)

4. 不幸的是，全城的人都被活埋了，整座城市也被掩埋了。(be buried alive)

3. 他每星期去听两次关于外太空物理方面的讲座。(go to a lecture)

2. 他是公认的大歌唱家。(be known as)

1. 能够代表我们班全体同学在这里讲话，我感到非常幸运。(feel lucky to)

1.The farmer was __________ by his cattle along the road.

2.Although the house was built many years ago,it is still __________.

3.They __________ experiments and finally find the solution to the problem.

4.Titanic sank with many people __________ after it banged into an iceberg.

5.You should act like a man.Anyway,you’re __________ a child.

6.We gave Peter a nice present __________ his cooperation.

7.After his father retired,Mark __________ the restaurant.

8.Bill fell down from his back and hurt himself,all of us ____________ his health.

9.The monument was built __________ the great navigator(航海家)Zheng He.

10.The boy likes playing games too much.His computer was always _____________ during the weekend.

Ⅲ完成句子

1.The volcano erupted and lava，ash and locks _______ ______of it onto the _________countryside　 火山爆发了,岩浆,火山灰喷射到周围的村庄.

2._________all the people____ _____ _____，and ______ _______ ______ _______

不幸的是,所有的人都被活埋了,城市也是.

3.Today I saw the ancient city of Pompeii____ ___ _____ 2000 years ago。

今天我看到和2000年前样子一样的古庞贝城

4 He was poor but proud and 　　　　　________every offer of help.拒绝接受

5.At last,they arived at the house __________ __________ wall paintins.装饰有壁画的房子

6. News reports say peace talks between the two countries have ____ ______with no agreement reached.据报道，这两国间的和谈破裂了，没有达成任何协议

7.____ _____ _____the Americans who died in the attack,a national memorial was built in pearl harbor just above the_____ ____ ___ _____ ____ ______..

为了纪念在战斗中死去的美国人,一座国家纪念馆在珍珠港沉船遗址上方被建立

8. 他意识到一些士兵将会起来反抗他们残忍的主人

　He ______ _______ ________many soldiers ______ ______ ______ ______their cruel masters.

9. They want to 　　　　　_________a large forest in this area．砍倒

10. 有些古代文明遗址消失了,而有的现在已处于政府的保护之下

some of the ancient civilizations have disappeared, while otheres are________ _______ ______ ________ ________ _______

20.U_____________,the old commercial centre was buried in the sand.

19. After the meeting, they __________(宣布)to us all what had been decided.

18. The __________(残留物) of lunch were still on the table.