人教版中考英語復習數(shù)詞的用法 學案

1、課題：數(shù)詞課時：2學生：授課老師：教學目標數(shù)詞的用法重點難點序數(shù)詞1-、數(shù)詞.基數(shù)詞191119整十幾十幾oneelevententwotwelvetwentytwenty-onethreethirteenthirtythirty-threefourfourteenfortyforty-fourfivefifteenfiftyfifty-fivesixsixteensixtysixty-sixsevenseventeenseventyseventy-seveneighteighteeneightyeighty-eightninenineteenninetyninety-nine基數(shù)詞的讀法(1

2、)在讀三位數(shù)或三位數(shù)以上的基數(shù)詞時，需在十位數(shù)之前(假設十位數(shù)是“0”， 在個位前)加連詞and。304-three hundred and four1,342-one thousand three hundred and forty-two(2)阿拉伯數(shù)字每三位數(shù)就需用一個逗號隔開，從后往前數(shù)；所用的英語單詞 為：thousand, million, billion,英語中沒有“萬”和“億”，在表示“萬”和“億” 時要按十進位法來推算。1萬可用10千來表示，即10,000100,000,000 可寫成 a hundred million2.序數(shù)詞(1)第至第十第十一至第一十第一十一至第二十第

3、整十至第一百firsteleventhtwenty-firstsecondtwelfthtwenty-secondthirdthirteenthtwenty-thirdfourthfourteenthtwenty-fourthfortiethfifthfifteentwenty-fifthfiftiethsixthsixteenthtwenty-sixthsixtiethseventhseventeenthtwenty-seventhseventietheightheighteenthtwenty-eightheightiethninthnineteenthtwenty-ninthnineti

4、ethtenthtwentieththirtiethhundredth助記歌基變序，有規(guī)律，末尾加上th;一二三特殊記，詞尾分別t, d, d;八加h,九去e, ve要用f替；以y結(jié)尾變ie,后跟th莫忘記； 假設想表示幾十幾，只變個位就可以(2)序數(shù)詞的基本用法基本概念基本用法例子序數(shù)詞(表示數(shù)目的順序 或事物的位置)表示編號Mary sits in the second row.表示日期It happened on October the third, 1985.主要用作定語、標語，前 面要加定冠詞theThe fifth lesson s very easy to learn.3.數(shù)詞常

5、見的表達法(1)年代的表達法in the 1930s/l 930s(2)日期表達法(年份用基數(shù)詞，日期用序數(shù)詞) 1988年5月1日：寫作：May 1st, 1988,讀作：May the first, nineteenth eighty-eight或 1,t May, 1988,讀作：the first of May, nineteenth eighty-eight(3)分數(shù)的表達法分數(shù)在英語中通常是借助基數(shù)詞和序數(shù)詞來共同表達的，其中基數(shù)詞表示分子, 序數(shù)詞表示墳墓。當分子大于1時，墳墓要用復數(shù)形式。one third 三分之一two thirds 三分之二a/ one quarter 四

6、分之一three and one fourth 三又四分之一(4)小數(shù)的表達法小數(shù)用基數(shù)詞來表示，以小數(shù)點為界，小數(shù)點左邊的數(shù)字為一個單位，表示整數(shù), 數(shù)字合起來讀；小數(shù)點右邊的數(shù)字為一個單位，表示小數(shù)，數(shù)字分開來讀；小數(shù) 點讀作point, 0讀作zero或o；整數(shù)局部為零時，可以省略不讀。0.4-zero point four/point four10.23-ten point two three(5)百分數(shù)的表達法百分數(shù)用 基數(shù)詞+percent表示0.68%-zero point six eight percent6%- six percent(6)倍數(shù)的表達法表示兩倍的用twice,

7、表示三或三以上的倍數(shù)用基數(shù)詞+times。The room is twice as large as that one.This tree is three times as tall as that one.易混易錯.數(shù)詞和冠詞的關系序數(shù)詞前要加定冠詞the；但基數(shù)詞前不加冠詞a/an+序數(shù)詞，表示“又一，再一”ofthe+基數(shù)詞，表示范圍序數(shù)詞前已有指示代詞、物主代詞或every時，不用定冠詞。在一些由序數(shù)詞構(gòu)成的固定詞組中不用定冠詞.數(shù)詞的讀法從后往前數(shù)，每三位加一個逗號；第一個逗號前讀hundred,第二個逗號前讀 million,第三個逗號前讀billion。年份的讀法是兩位兩位地讀

8、。.基數(shù)詞與單數(shù)名詞用連字符鏈接構(gòu)成符合形容詞，作名詞的定語。.幾個半的讀法基數(shù)詞+and+a half+名詞復數(shù)=基數(shù)詞+名詞（單數(shù)/復數(shù)）+and+ a halftwo and a half hours = two hours and a half.與another, more連用時;表示在已有的基礎上再增加一定的數(shù)量，其結(jié)構(gòu)為 “another+基數(shù)詞”或“基數(shù)詞+more”My father will stay in Beijing for another two weeks.I need two more chairs.表示編號時的易混之處用基數(shù)詞來表示編號時，應放在名詞之后，且不需

9、要任何冠詞（但通常名詞第 一個字母要大寫）用序數(shù)詞來表示編號時，應放在名詞之前，且前面需要加定冠詞the習題（一）Yesterday people came to the town to watch the car race.A. hundreds B. hundred C. hundreds of D. hundred ofTree Planting Day is in March, the month of the year.A. three B. third C. five D. fifth-Mum, the beautiful card I made last night is jus

10、t for your birthday.-Oh, thank you, my dear!A. forty B. the fortieth C. fortieth D, fourthMay is the month of a year.A. fifty B. fifteen C. fifth D. five-1 heard your friend is visiting Sanya again. Is it the second time for him?-Yes, and he will come for time next spring.A. a thirdB. a second C. a

11、thirdA girl looked after her disabled father.A. three-year-old B. three-years-old C. three year oldMothers Day is on the Sunday in May every year.A. two B. second C. six D. sixth-Excuse me, sir. Heres a package for Lin Tao. Which room does he lives in?A. 308 Room B. Room 308 C. The Room 308 D. The 308 Room-How far away is the small village from Moscow?-its about kilometer.seven hundred and twenty twoseven hundred and twenty-twoseven hundreds and twenty-twoseven hundreds and twenty-twoThere are sixty students in our class. And of us