4. 将有十名选手在这次百米赛跑中争夺金牌。(compete for)

3. 伦敦将主办2012年奥运会。(host)

2. 有多少中国运动员将参加下一届奥运会?(take part in)

1. 昨天你在会上遇到的那位男士是世界著名的足球明星。(world-famous)

5. Many old houses along the river have been pulled down to 　　　　　a new road.

4. His colleagues and former students collected and published his essays 　　　　　his thirty years’ service with the university.

3. He has 　　　　　our company’s success and therefore he has been respected by all of us.

2. Gas flowing through the pipes burns instantly but can 　　　　　　easily by opening or closing the pipes.

1. The ancient vase is　　　　 .　

5. Candidates who fail to meet these　　　　 (要求)will not be admitted to the university.