译林版七年级英语下册课件Unit1Grammar

1、Unit 1 Dream homesGrammarEnjoy a songHow old are you?How many family members are there in your family?How many students are there in your class?Whats your favourite number?What is your telephone number?Talking about numbers freely.A. Cardinal numbers(基数词)What number is it like?It looks like a zero.P

2、resentationHow do we read these numbers in English?100one hundred200two hundred1,000one thousand3,000three thousand1,000,000one million4,000,000four million1,000,000,000one billionThe CN Tower is over 1,500 feet tall.over prep. 超过foot n. 足; 英尺(pl. feet)1 foot = 0.3048 metremetre (=meter) n. 米，公尺The

3、Tiananmen Square has an area of about 440,000 square metres.square n. 广场; 正方形 adj. 平方的area n. 面积zero num. 零hundred num. 百thousand num. 千million num. 百万foot n. (pl. feet ) 足；英尺square n. 广场 adj. 平方的metre n. 米，公尺area n. 面积over prep. 超过New words12345678910one two threefourfivesixseveneightnineten1112131

4、4151617181920eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwenty2130405060708090100twenty-onethirtyfortyfiftysixtyseventyeightyninetyone hundred1,000 one thousand10,000 ten thousand100,000 one hundred thousand1,000,000 one million How do we say the following numbers? 4,056four

5、thousand and fifty-six23,813twenty-three thousand eight hundred and thirteen567,110 five hundred and sixty-seven thousand one hundred and ten6,425,200 six million four hundred and twenty-five thousand two hundred9 3 0 5 0 0 4 6 0 7,billionmillionthousandnine billion three hundred and five million fo

6、ur thousand six hundred and sevenhundredFind out the rule!Simon is collecting some information about different countries. Help him read the numbers correctly.Learning about different countries1. People from about 180 countries and areas live in New York. 大约有来自180个国家和地区的人们生活在纽约。2. The CN Tower is 1,8

7、15 feet tall. 加拿大国家电视塔有1,815 英尺高。3. Red Square in Moscow is about 91,000 square metres in size. 莫斯科的红场面积大约91,000平方米。4. France has an area of over 260,000 square miles. 法国有260,000多平方英里的面积。5. There are about 8,000,000 people living in London. 大约有8,000,000人生活在伦敦。6. Tokyo, the capital of Japan, has over

8、 13,000,000 people. 日本的首都东京有13,000,000多人口。We use ordinal numbers to order things and events. We use them to talk about dates, floors, positions, etc.B. Ordinal numbers(序数词)Womens Day is on the eighth of March.Our flat is on the seventh floor.He is always the first to come to school in our class.one

9、two threefourfivesixseveneightninetenfirstsecondthirdfourthfifthsixthseventheighthninthtenth基数词 序数词 eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentyeleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth基数词 序数词 twenty-onethirtyfortyfifty

10、sixtyseventyeightyninetyone hundredtwenty-firstthirtiethfortiethfiftiethsixtiethseventietheightiethninetiethone hundredth基数词 序数词 基变序，很容易；1、2、3 特殊记; 8去t, 9去e; ve 要用 f 替； ty 变成tie.RulesSimon wants to tell his classmates where his friends live. Look at the building. Complete the sentences with the corr

11、ect floor numbers.1. Elsa lives on the _ floor. 2. Ivan lives on the _ floor.3. Mary lives on the _ floor. 4. Peter lives on the _ floor.5. Ricky lives on the _ floor.6. Wilson lives on the _ floor.seventhfifteenthfourthsecondninthtwelfth一、基数词用法1. 基数词在表示数量时与表示编号、号码时的读法不一样。 数字：87,300,005 读作：eighty-se

12、ven million three hundred thousand and five电话号码：82772906读作：eight two seven seven two nine zero six 2. hundred, thousand, million 有不加s和加s两种情况： I have two hundred books. (不可加s) 我有两百本书。 I have hundreds of books. (必须加s) 我有数百本书。二、序数词用法 1. 表日期： the fifth of June (=June the fifth) 6月5日 2. 表顺序或编号： the secon

13、d lesson (=Lesson Two)3. 序数词常与the连用，但以下两种情况不用the：(1) 作副词。如： He often comes first. You must finish your homework first. (2) 前面有限定词(如形容词性物主代词 名词所有格)时，不可再用the。如: Its my first time to go to cinema. 1. Do you live on the _ (nine) floor?2. Next Friday is my fathers _ (forty) birthday.3. We will have the _ (five) lesson next week.Complete sentences with the correct forms of the words given.Exerciseninthfortiethfifth4. There are eight _ (hundred) students in our school. _ of them