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1、Unit 3 Language in use导学目标:1.掌握并正确运用单词:face 2. 能够正确使用冠词,准确读出数字。自主预习:根据句意及首字母或汉语提示填空1. Our world is f_ many problem.2. We shouldnt throw away the r_everywhere.3. We arrived late because the _ (交通) was busy.4. The factory has produced a lot of p_ so it should be closed down.5. The population of China
2、is too large. Many people feel _ (worry).6. Whats the p_ of Australia? - About 19,400, 0007. The i_ population is an environmental problem in many countries.8. Already a lot of water is p_ and in many places people have to walk a long way to get clean water for their homes.9. The number of tourists
3、has i_greatly in recent years.10. The r_ is about “personal safety”11. Dont make any _(噪音). 课堂导学:1. With more and more people in the world, getting good clean water is becoming a problem in many places. 随着世界人口越来越多,在许多地方获取干净的水逐渐成了一个问题。句中more and more是形容词比较级叠用,意为“越来越多”。如果比较级是由 “more +adj/adv.”构成的,则叠用时
4、只可重叠more,形容词/副词本身不需要重叠。如:These questions get more and more difficult.这些问题变得越来越难了。the+比较级,the+比较级 意为“越,越”。如:The more, the better. 越多越好。2本模块语法详解:冠词和数字一、冠词冠词分为不定冠词和定冠词,不定冠词a / an , 定冠词the.1. 不定冠词的用法1 在叙述时用于第一次提到的某人或某物。如:This is a book.2 表示“一个”的概念。如: Population is a big problem for cities.3 表示“每一”的概念。如:
5、 I go to the cinema once a month. 4 指某人某物,但不具体指哪个人或哪个物。如: Lend me a storybook, will you?5 用于表示时间、速度、价格等意义的名词之前,有“每一”的意思 ,相当于every,如: five lesson s a week two kilometres an hour6 用于可视为一体的两个名词前。如:a knife and fork2. 定冠词的用法1 表示特指的或上文提到过的人或事物。如:I have a book. The book is very interesting.2 表示世界上独一无二的事物。如
6、:The earth moves around the sun.3 用在序数词、形容词最高级前面。如:She is the most careful student in our class.4 用在姓氏的复数形式前表示一家人或夫妻俩。如:The Greens are watching TV now.5 用在单数可数名词前表示一类人或事物。如:The orange is orange.6 用于由普通名词构成的专有名词前。如:the Great Wall the Summer Palace 7 与某些形容词连用表示一类人。如: The rich should help the poor.8 用在
7、方位名词前。如: Jilin is in the north of China.9play与乐器类名词连用时,名词前应加定冠词。如:I like playing the piano.二、数字1. 大数字的表达方式,我们要掌握其读法特点。注意每三个数为一个单位,按照百、十、个向下读,个位和十位之间加连字符“-”,个位或十位与前面的数词之间加and;每隔三位加一个单位数词,从后向前数,分别为thousand(千),million(万), billion(十亿),每个单位数词之间加一个分节号,但也可不加。729读作seven hundred and twenty nine,然后前面进位的读法分别为t
8、housand, million,billion;6,500,431,729读作six billion,five hundred million,four hundred and thirty one thousand, seven hundred and twenty nine.2. 年代读法一般是两位两位地读。如: 1993读作nineteen, ninety three 2008读作two thousand and eight专项:在下列各题的横线上填上a , an 或 the 1. What does your father do? He is _ art teacher. A. a
9、B. an C. the D. /2. Are yo u having _ good time? Yes, but Im feeling tired. I want to have _ rest.A. a; / B. /; a C. a; a D. the; a3. Look at _ skirt! I bought it for Mum on Mothers Day. Isnt it nice? A. a B. the C. an D. /4. This is _ song Ive told you about. Isnt it _ beautiful one? A. the; theB.
10、a; aC. the; a D. a; the5. Katy and Sandy live in _ town, and they both get _ e-mail a day. A. /; an B. the; an C. the; a D. /; the6. (天津中考)-What do you think of _ film about Zhan Tianyou? -Its _ good film. A. the; the B. a; the C. the; a D. a; a7.(兰州中考)- Who is _ man in a black hat? - Its Jim Brown.
11、 We often play _ basketball together in our free time. A. an; a B. a; / C. the; a D. the; /当堂达标:一、用所给单词的适当形式填空1. What about _(practice) speaking Enlish?2. There were _(crowd) of people at the theatre.3. No one _ (know) when he will be back.4. How many babies _(be) born in the world every year?5. We
12、all should work harder _(protect) our world.6. There _(be) too much traffic in the city.二、用方框中所给短语的适当形式填空in fact, move to, pay for, close down, notany more1. This factory _ because of the pollution 5 years ago.2. My friend Betty will _ Beijing soon.3. The baby _ cry _ when I made faces to her.4. How
13、 much did you _ the pen?5. _, Im angry with you.课后提高:一、单项选择( )1. Nowadays _ people are learning English.A. more and more B. the more and the more C. the more and more D. more and the more( )2. The road is over _ metres long.A. six hundreds and fifty-two B. six hundred and fifty-twoC. six hundred, fi
14、fty-two D. six hundred, fifty and two( )3. He can play _ basketball well, but he cant play _ guitar.A. the, / B. /, the C. the, the D. the, a ( )4. The population of Canada _ but its area is large.A. are small B. is small C. are big D. is little( )5. _ of the population here are peasants.A. 30 percent B. 30 percents C. The 30 percent D. The 30 percents( )6. Which city will have a larger