外研版八年级英语上册 （The population of China is about 1.37 billion）Population 教育教学课件

Module9PopulationUnit1ThepopulationofChinaisabout1.37billion.

1、会认读本单元新单词2、懂得有关数字的听说方法学习目标Chinahasalargepopulation.crowdedWhat’shappeningtoourcitynow?toomuchtraffictoomuchpollutiontoomuchnoiseproblem

问题n.toomanypeoplebirth出生n.huge

庞大的adj.Beijiingisahugecitywithalargepopulation.rubbish 垃圾Itcausestheenviroment(环境)pollutedseriously.造成环境被严重污染。increase

增长n.;v.Populationincreaseisabigproblem.人口增长是一个大问题。百、千、万

百hundred

100onehundred200twohundred

以此类推····千thousand1000onethousand2000twothousand·········英语里没有“万”这一单位，万也用thousand表示。如：10000tenthousand一万20000twentythousand两万·····十万、百万十万的说法是：

100.000a(one)hundredthousand200.000twohundredthousandmillion百万

a(one)million1000000twomillion2000000········以此类推······8000000eightmillion千万，亿，十亿千万的说法是：

10000

000a(one)tenmillion

亿的说法是200000000twentymillion十亿的说法是

1000000000a(one)billion········以此类推······

100

2,000

30,000

400,000

5,000,000

60,000,000

700,000,000

8,000,000,000

90,000,000,000

100,000,000,000

Canyoureadthem?hundred

thousand

millionbillionOnehundredTwothousandThirtythousandFourhundredthouandFivemillionSixtymillionSevenhundredmillionEightbillionNinetybillionOnehundredbillion用英语读出下列数字：ninety-eightthousandsevenhundredandfifty-fourNinehundredandeighty-threeExercisefivehundred(and)sixty-sixsevenhundredandnine566__________________________________709__________________________________983__________________________________98754_______________________________

________________________________基数词与序数词基数词onetwothreefourfivesix序数词firstsecondthirdforthfifthsixtheighth 第八twentieth第二十ninth 第九twelfth 第十二thirtieth 第三十分数的表达基数词序数词当分子＞1时，序数词要+s例：onefifth

五分之一

two-fifths

五分之二

two-thirds

三分之二拓: quarter 四分之一例如： threequarters 四分之三Wordsandexpressions/nɔIz/

噪音；杂音n. noise

/prI'peə/

准备；预备v. prepare/nəuts/

笔记；随笔n.

notes/rI'pɔ:t/

报告；汇报n. report/ɡrəu/

增长；增大v. grow/hju:dʒ/

庞大的adj. huge/kɔ:z/

造成v. causeWordsandexpressions/'prɔbləm/

麻烦；问题n. prepare/'Iŋkri:s/

增长v. increase/bə:θ/ 出生n. birth/'bIljən/

十亿

billion/fIfθ/ 第五；五分之一

fifth稍等

hangon2.Listenandcheckthecorrectanswer:1WhatisthepopulationofBeijing?a)About11millionb)About13millionc)About20million2WhatisthepopulationofChongqing?a)About28millionb)About33millionc)About36million√√P73：Nowcompletethenotes.Babiesborneveryminuteintheworld:Babiesborneveryyearintheworld:PopulationofChina:Populationoftheworld:over250over131.4millionabout1.37billionabout7billionListenandread.Betty:Whatareyoudoing?Tony:I’mpreparingsomenotesforareportcalled“Ourgrowingpopulation”.Lingling:Well,we’reintherightplacetotalkaboutthat!Beijingisahugecitywithalargepopulation.Thatcausesalotofproblems,suchastoomuchtrafficandnoise.Betty:It’snotonlyBeijing.Populationincreaseisabigprobleminmanycountries.Doyouknowhowmanybabiesareborneveryminuteintheworld?Tony:No.Canyoutellme?Betty:Over250!Thatmakesover131.4millionbirthsayear.Lingling:Ican’tbelieveit!Betty:ThepopulationofChinaisabout1.37billion.That’salmostonefifthoftheworld’spopulation,thatis,about7billion.Tony:Hangonaminute!Iwillwritethatdowntoo!Betty:Butinthefuture,China’spopulationwon’tgrowsofast,becausefamiliesaregettingsmaller.Lingling:Howdoyouknowallthis?Betty:Iwrotemyreportyesterday!Tony:Great,thanks!NowIcanwritemyreport!二、翻译下列句子。1.北京人口是多少？___________the_____________Beijing?2.中国的人口大约为13亿。The_____________China_____________________.Whatispopulationofpopulationofisabout1.3billion4.增长的人口给一些国家带来众多问题。An____________________causes____________insome_____.

3.人口太多，空间不够。Thereare____________peopleandthereisnot_____________.toomuchenoughspaceincreasingpopulationmanyproblemscountries()

1.Thebikecostme________yuan.Afivehundredandforty

Bfivehundredsforty

Cfivehundredforty

A

()2.____peopleintheworldaresendingandreceivinge-mailseveryday.

A.Millionof

B.Manymillionsof

C.SeveralmillionofB三、单项选择。()3._______treeswereplantedonthemountainlastyear.

A.