1. What’s the population of the world?
_________ _________ people _________ _________ in the world?
2. My home is twenty minutes on foot.
It __________________ 20 minutes to go home.
3. I forgot everything, so did Jim.
________I ________ Jim could ________ everything.
4. He was late for school, I was late, too.
He was late for school, I ________ ________ ________, ________.
X. Homework
1. Revise the whole unit.
2. Use the useful expressions to make up a story.
3. Finish off the exercises in the workbook.
探究活动
采访
将学生分成两人一组。其中一人是《中学生报》记者，另一人是人口问题专家，小记者和人口问题专家分别根据课文内容就世界人口问题进行准备。然后进行问答练习，再互换角色。
Read World Population
根据所提供的2001年7月份的世界人口数量统计，制作成四组投影或挂图。进行活动时，将其展示在黑板上。教师将学生分成四组，让每组学生先看一幅投影或挂图，准备快速地读出每个国家的人口数量。然后，开始比赛，比赛以组为单位进行。每组学生一个接一个地读出该组的数字，以读得时间最短、出错率最少的组为胜。
World Population 6,157,400,560 (July 2001 est)
Afganistan
26,813,057
Albania
3,510,484
Algeria
31,736,053
Angola
10,366,031
Argentina
37,384,816
Armenia
3,336,100
Australia
19,357,594
Austria
8,150,835
Belgium
10,258,762
Bolivia
8,300,463
Brazil
174,468,575
Bulgaria
7,707,495
Burma
41,994,678
Cambodia
12,491,501
Camaroon
15,803,220
Canada
31,592,805
Chad
8,707,078
Chilie
15,328,467
China
1,273,111,290
Colombia
40,349,388
Costa Rica
3,773,057
Croatia
4,334,142