Unit13 The worlds population一. 本周教学内容： Unit13 The worlds populationI. 词汇： increase, if, multiply, challenge, beginning, square, hardly,prefer, used, beg,worth, secondhand, diagram, discussion, chart, download, path. II. 词组和惯用法： hour after hour 一小时又一小时 multiply by乘以 at the beginning of 起初、开始 more and more越来越 prefer to 宁愿（选择），更喜欢 rather than宁可，是而不是 beg ones pardon请原谅，对不起 be busy doing忙着做 look at the table看这张表格 slow down下降、放慢 standing room only只有立足之地 in one year一年后 enough space足够的地方 the more developed countries发达国家 the less developed countries不发达国家III. 日常交际用语 Whats the population of Its about billion. Do you think it will increase? What can be done to slow down the population increase? IV. 语法： （1）数的写法和读法 （2）过去将来时的构成及其在宾语从句中的应用。二. 重点、难点： 1. population A. 集合名词，多用单数 The worlds population is growing fast and fast. B. 在询问人口与人时，注意people 和population 的不同。 How many people 用复数 What the population用单数 How many people are there in Beijing? Whats the population of Beijing? C. 表示人口多少要用large与small来修饰，而不能用very与few来修饰。 Japan has a smaller population than China. D. population 作主语时，谓语可以用单数，也可以用复数，指一个地区或国家的整体人口时，谓语动词通常用单数；强调整体人口中的成员时，谓语动词通常用复数。 The population of Beijing is larger than that of Nanjing. One third of the population of this country are farmers. 2. challenge. A. 用作名词意为“挑战、邀请比赛，常跟介词短语to或动词不定式. He has received a challenge to a game. B. 用作动词时，意为“邀请比赛，向挑战，也常接介词短语to或动词不定式 I challenged her to a game of tennis. 我邀请她和我赛一场网球。 He challenged me to play chess. 他向我挑战下象棋。 3. faster and faster 比较级and比较级，表示越来越 more and more可用来修饰名词，形容词、副词、动词等。 The days are getting longer and longer. More and more people know that its important to learn English well. 4. at the beginning of A. beginning 是名词“开始、开端”，反义词ending A good beginning makes a good ending. B. at the beginning of = at the start of At the beginning of the century a war broke out. C. in（at）the beginning 是副词短语，意为“起初、开始时”，相当于at first. In the beginning she didnt know who I was. 5. hardly几乎不，简直不，同义词组为almost not, almost nothing, almost nobody. A. hardly 一般位于行为动词之前，be动词之后或第一个助动词之后。 We hardly have time to play games. There is hardly anything in the room. I could hardly stop laughing. B. 如果强调hardly而将其置于句首，整个句子需倒装。 “hardly助动词主语实义动词” Hardly did I sleep last night. Hardly can she believe her own eyes. C. 句中有hardly时，反意疑问句中的助动词用肯定形式。 He can hardly work out the problem, can he? 6. prefer的用法 A. prefer（preferred, preferred, preferring） I prefer rice. I prefer to play football. I prefer playing football. B. prefer （doing）A to （doing）B. 与B相比，更喜欢A同义短语，like better than C. rather than. 宁可、是而不是 I rather than you should do the work. 该做这工作的是我，而不是你。 He is a musician rather than a teacher. 与其说他是老师，还不如说他是音乐家。 D. prefer rather than宁愿，做某事而不愿做另一件事。 These days some people prefer to talk on the phone rather than write letters to each other. 现在有些人宁愿打电话也不愿写信。 7. worth A. worth是形容词，be worth“有价值，值” The dictionary is worth ten dollars. B. be worth doing “值得做” This book is worth reading. This problem is worth thinking about. （答题时间：90分钟）I选择填空1. That city has _ population. A. a littleB. a fewC. a small D. much2. _ is the population of Japan, do you know? A. How many B. How much C. Which D. What3. What _ in one hundred years? A. happened B. will be happened C. will happen D. happen4. Fish cant live _ water. A. with B. at C. without D. on5. Im not _ at English as he is. A. as good B. as well C. good as D. better6. You can borrow _ book here if you will return it on time. A. other B. some C. any D. several7. _ the beginning _ the new term students usually work very hard A. In/of B. In/in C. At/in D. At/of8. They are becoming _. A. beautifuler and beautifuler B. more beautiful and more beautiful C. beautiful and beautiful D. more and more beautiful9. China and India are _ countries. A. develop B. developed C. developing D. to develop10. China has the _ population in the world. A. smallest B. largest C. most D. more11. Is there _room for me to stand in? A. a B. an C. the D./12. My parents couldnt decide whether they _ send me to a private school next year. A. will B. would C. were D. has to13. Would you like to read