Unit1Topic2SectionB課件英語九年級(jí)上冊(cè)

Unit1TheChangingWorldTopic2

Thepopulationindevelopingcountriesisgrowingfaster.SectionB30thirty40forty90ninetytwenty2050607080fiftysixtyseventyeightyReview（說出下列數(shù)字的英文表達(dá)）1,000,000,000one

billion/?b?lj?n/

十億1,000,000one

million/?m?lj?n/

一百萬1,000one

thousand100one

hundred

Look,readandlearn

說出下列數(shù)字的英文表達(dá)3.14Look,readandlearn

說出下列數(shù)字的英文表達(dá)point點(diǎn)

three

point

onefour20.56twenty

point

fivesix78.72seventy-eight

point

seventwo119367589onehundredandnineteenthreehundredandsixty-sevenfivehundredandeighty-nineReview（說出下列數(shù)字的英文表達(dá)）543.715623980fivehundredandforty-threepointsevenonethousand,fivehundredandsixty-twothreethousand,ninehundredandeightyReview（說出下列數(shù)字的英文表達(dá)），，thousandbillionmillionthousand6666

666666一劃二找三讀四放把數(shù)字從右往左劃分，每三個(gè)數(shù)字為一組，并在數(shù)字間標(biāo)逗號(hào)，，，找逗號(hào)一逗讀

thousand二逗讀

million三逗讀

billion照常讀billionmillionthousand6666

666666，，，sixbillion,sixhundredandsixty-sixmillion,sixhundredandsixty-sixthousand,

sixhundredandsixty-sixsixhundredandsixty-sixsixsixhundredandsixty-sixsixhundredandsixty-six一劃二找三讀四放2346780twoLook,readandlearn

說出下列數(shù)字的英文表達(dá)一劃二找三讀四放，，millionthousand口訣：threehundredandforty-sixsevenhundredandeighty6004001sixLook,readandlearn

說出下列數(shù)字的英文表達(dá)一劃二找三讀四放，，millionthousand口訣：fourandone525119000fivehundredandtwenty-fiveLook,readandlearn

說出下列數(shù)字的英文表達(dá)一劃二找三讀四放，，millionthousand口訣：onehundredandnineteen7198764502sevenhundredandsixty-fourLook,readandlearn

說出下列數(shù)字的英文表達(dá)一劃二找三讀四放口訣：，，，thousandmillionbillionsevenonehundredandninety-eightfivehundredandtwoWhat’sthepopulationoftheworld?

/?p?pju?le??(?)n/人口

世界人口是多少?Isit7billion?Isitincreasingquicklytheseyears?increase/?n?kri?s/增加

slowWhatpoliciesdoesourcountrycarryouttosolvethisproblem?

policy/?p?l?si/政策執(zhí)行three-childpolicy

三孩政策population

人口billion

十億increase

增加reach

實(shí)現(xiàn)luckily

幸運(yùn)地policy

政策Russia

俄羅斯measure

措施MariaandKangkangaretalkingaboutthepopulationnow.1bListento1aandmatchtheinformation.聽錄音，把國家及其相應(yīng)的人口配對(duì)。(連線)1.theworld2.China3.India4.theUSAA.323millionB.7.2billionC.1.36billionD.1.27billionB.C.D.A.1.theworld2.China3.India4.theUSAA.323millionB.7.2billionC.1.36billionD.1.27billionExample:A:What’sthepopulationoftheworld?B:It’sabout7.2billion.What’sthepopulationofChina?It’sabout1.37billion.What’sthepopulationofIndia?It’sabout1.31billion.What’sthepopulationoftheUSA?It’sabout321million.Doyoukonwwhichkindofcountryhaslargerpopulation,developingcountriesordeveloped

countries?發(fā)展中國家發(fā)達(dá)國家What:Presentsituation(現(xiàn)狀)How(thewaytosolve)Thepopulationindevelopingcountriesis1._______thanthatindevelopedcountries.Thepopulationindevelopingcountriesisgrowing2.________.Thepopulationproblemhasbecomemore3.________indevelopingcountries.Chinahasalreadycarriedoutsome4.________.seriousfaster1.聽前審題，2.聽中速記，3.聽后整理，檢驗(yàn)！Listento1a,thenfinishthetable.聽錄音，完成表格。largerpolicies請(qǐng)說出下列數(shù)字的英文表達(dá)7.2billion82million1.36billion1.27billion323millioneighty-twomillionsevenpointtwobilliononepointthreesixbilliononepointtwosevenbillionthreehundredandtwenty-threemillion請(qǐng)?jiān)?a中寫下下列數(shù)字的英文表達(dá)1.

areportonpopulation2.Whatalargepopulation!3.itsaystheworldhasapopulationof7.2billion.4.Anditisincreasingby82millioneveryyear.5.Indiaissecondwith1.27billion.6.What'sthepopulationoftheUSA?KeyPoints劃出下列句子，并翻譯。C、D層筆記都要記！

標(biāo)星星的第二天要背默！一份人口報(bào)告多么龐大的人口啊！世界人口為72億。

有著......的人口haveapopulationof每年增加了（increaseby）8200萬人。美國人口有多少？印度以12.7億人口位居第二。6.(理解，不用劃，藍(lán)色部分記筆記）Itshowsthatthepopulationindevelopingcountriesislargerthanthatindevelopedcountries,doesn'tit?7.而且8.carryoutKeyPoints劃出下列句子，并翻譯。C、D層筆記都要記！

標(biāo)星星的第二天要背默！

這表明（Itshowsthat+從句）發(fā)展中國家的人口比發(fā)達(dá)國家的人口多，不是嗎?what’smore執(zhí)行Soshedoes.Lucydanceswell.確實(shí)如此。________跳得好她也一樣？Sodoesshe.？？請(qǐng)把這個(gè)句子翻譯完整請(qǐng)?jiān)赟oshedoes中找出代表“跳”的詞規(guī)律:用______________代替實(shí)義動(dòng)詞助動(dòng)詞do/does解釋為“確實(shí)...”用_______語序。

陳述句解釋為“...也一樣”用_______語序。

倒裝句9.Soitis.KeyPoints劃出下列句子，并翻譯。C、D層筆記都要記！

標(biāo)星星的第二天要背默！確實(shí)是這樣。Soisit.?它也一樣?？谠E：爺（“也一樣”）要倒（倒裝句）“確實(shí)”正常（