译林版七年级下册英语教学课件-Unit 1 Dream homes Grammar 30页

Unit 1 Dream homes Grammar We use cardinal numbers to talk about the numbers of people or things. Rules Say the number in turn. 1, 2, 3… When someone meets 7, like 17, 27, or the times of 7, like 14, 21, he or she should spell it instead of saying the number. What number is it like? It looks like a “zero”. 100 one hundred 200 two hundred 1,000 one thousand 3,000 three thousand 1,000,000 one million 4,000,000 four million 1,000,000,000 one billion 21 30 40 50 60 70 80 90 twenty-one thirty forty fifty sixty seventy eighty ninety 100 one hundred 1,000 one thousand 10,000 ten thousand 100,000 one hundred thousand 1,000,000 one million 4,056 four thousand and fifty-six 23,813 twenty-three thousand eight hundred and thirteen 567,110 five hundred and sixty-seven thousand one hundred and ten 6,425,200 six million four hundred and twenty- five thousand two hundred 9 3 0 5 0 0 4 6 0 7,,, billion million thousandnine billion three hundred and five million four thousand six hundred and seven hundred more than The Eiffel Tower is over 1,050 feet tall. foot 英尺 The Tian’anmen Square has an area of about 440,000 square metres. 1. 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 1,815 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 13,000,000 people. 日本的首都东京有超过13 000 000的人口。 We use ordinal numbers to order things and events. We use them to talk about dates, floors, positions, etc. Women’s 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 two three four five six seven eight nine ten first second third fourth fifth sixth seventh eighth ninth tenth eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth twenty-one thirty forty forty-four eighty ninety ninety-nine one hundred twenty-first thirtieth fortieth forty-fourth eightieth ninetieth ninety-ninth one hundredth 基变序，很容易； (first second third) (eighth ninth) (fifth twelfth) (twentieth thirtieth …) 1,2,3 特殊记; 8去t, 9去e; ve 要用 f 替； ty 变成 tie. 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. seventh fifteenth fourth second ninth twelfth Complete B2 on Page 12. A: Where does Elsa live? B: She lives on the seventh floor. A: She lives two floors below Ricky. B: Yes, and she lives three floors above Mary. Make up a dialogue 1. 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-seven million three hundred thousand and five 电话号码：82772906 读作：eight two seven seven two nine zero six A. the usage of the cardinal numbers 2. hundred, thousand, million的两种情况： 我有两百本书。 I have two hundred books. (不可加s) 我有数百本书。 I have hundreds of books. (必须加s) A. the usage of the cardinal numbers 1. 表日期： on the fifth of June ( = on fifth June) 2. 表顺序或编号： the second lesson ( = Lesson Two) B. the usage of the ordinal numbers 3. 序数词常与the连用，以下两种情况不用the： (1) 作副词时，不可再用the。 He often comes first in the exams. You must finish your homework first. (2) 前面有限定词时，不可再用the。 It’s my second time to watch the lion dance. B. the usage of the ordinal numbers 1. The Olympic Games began in the _____ (四) century B.C. 2. Bill is _______ (二十) minutes late for the Maths class. 3. The Browns live at No. _________ (六十五), Pond Street. 4. The number of the computers in the shop is ____ (五十). 5. The football season begins on the __________ (二十一) of September. fourth twenty Sixty-five fifty twenty-first 1. Summer is _____ season of the year. A. two B. second C. the two D. the second 2. Can you tell me the English for _____ month? A. twelfth B. the twelfth C. twelve D. the twelveth 3. I think there’re _____ people in the park today. A. three thousand of B. three thousands of C. thousands of D. thousand of 4. The _____ lesson is the most difficult of the _____ lessons. A. ninth; forty B. nine; forty C. ninth; fortieth D. nine; fortieth 5. Next Saturday is my _____ birthday. I am going to have a party at home. A. the fourteenth B. fourteen C. fourteenth D. the fourteen 1. Remember the cardinal and ordinal numbers we learned in this lesson. 2. Preview the new words in the next lesson.