Unit1TheChangingWorldTopic2Thepopulationindevelopingcountriesisgrowingfaster.SectionC8888888,88888,888888,8888,888,88888,888,888888,888,8888,888,888,88888,888,888,888888,888,888,888Tonguetwistersocialsupplynaturalworsesofargovernmenttakemeasurestodosth.thankstoparagraphopportunitynewbornpercentoffer社會的;社交的adj.提供,供應(yīng);供應(yīng)量v./n.天然的;天生的adj.更差的,更糟的;更差adj./adv.到目前為止政府,內(nèi)閣n.采取措施做某事幸虧,由于段,段落n.機會,時機n.新生的,初生的adj.百分之…n.提供東西或機會;主動提出v.CheckNewWords*What’sthepopulationoftheworld/China/…?*Whichcountryhasthelargestpopulation?*Thepopulationin______________(develop)

countriesislargerandisgrowing_________(slower/faster)*Thepopulationproblemis_________________(moreserious/lessserious)indevelopingcountries.Saysomethingaboutthepopulation.developing1.Beforeyoureadthepassage,discussthequestionswithyourpartner.1)WhydoesChinacarryouttheone-childpolicy?2)WhatsocialproblemsdoyouthinkChina’slargepopulationhascaused?1aReadandunderstand1aReadandunderstand.2.Writethetitleofthepassage.PopulationProblems1bRead1aandmatchthemainideawitheachparagraph.

1._____Paragraph12._____Paragraph23._____Paragraph3BCAA.themeasurestodealwiththeproblemsB.theworld’sandAsia’spopulationC.theproblemscausedbylargepopulation1cRead1aagainandcompletethetable.PopulationofChina____________________Socialproblemless______________fewer_______opportunitiesless_______and______crowded________heavy_________________naturalenvironmentsGovernmentmeasure_______________________1.3billionjobenergywatercitiestrafficworsetheone-childpolicylivingspaceWhatsocialproblemsdoyouthinkChina’slargepopulationhascaused?ReadParagraph1andfillintheblanks.Asiahasapopulationof_____________.That’stosay,almost______ofthepeopleintheworldliveinAsianow.morethan3billionhalfParagraph1Theworld’sandAsia’spopulation.3billion÷6.8billion≈1／2(onesecond)(half)50%(50percent)That’salmosthalfoftheworld’spopulation.語言點講解6.8billionmorethanthreebillion

That’salmosthalfoftheworld’spopulation.

大約是世界人口的一半。

halfof……的一半

e.g.(1)Halfofthestudentsinourschoolare

fromthecountryside.(2)Halfofthewater

isdirtynow.語言點講解Becauseofthelargepopulation,thereis__________________foreachfamily.lesslivingspaceParagraph2Whatproblemsdoesthelargepopulationcause?Becauseofthelargepopulation,itisdifficultforlotsofpeople____________.tofindjobsWhatproblemsdoesthelargepopulationcause?Becauseofthelargepopulation,itishardforChinatosupply_______and______tosatisfypeople’sdailyneeds.energywaterWhatproblemsdoesthelargepopulationcause?Becauseofthelargepopulation,mostcitiesare______________thanbefore,andthetrafficismuch__________.morecrowdedheavier。Whatproblemsdoesthelargepopulationcause?Becauseofthelargepopulation,naturalenvironmentsarebecoming__________________.worseandworseWhatproblemsdoesthelargepopulationcause?1.3billion÷6.8billion≈1／5(one20percent(20%)

OnefifthofthepeopleintheworldliveinChina.

fifth)語言點講解1.onefifth

分?jǐn)?shù)表達(dá)法英文分?jǐn)?shù)表達(dá)：基數(shù)詞

/序數(shù)詞(s)讀法：先讀分子再讀分母注：當(dāng)分子大于1

時,分母的序數(shù)詞變成復(fù)數(shù),直接在詞尾+“s”。如:?onefourth?threefourths

?ahalf5/7fivesevenths語言點講解分?jǐn)?shù)作定語時,與所修飾的名詞之間加of：分?jǐn)?shù)+of+名詞(可數(shù)名詞的復(fù)數(shù)，不可數(shù)名詞)eg:1)Twothirdsofthestudentsinourclassareboys.2)Onehalfofthebreadhasgonebad.特別注意:語言點講解onesixthoneninthonetwentiethfivesixthstwoninthsseventwentiethsone(a)half

aquarterthreequartersthreeandahalfTheone-childpolicy—Everycouplecanhaveonlyonechild.Sofar,theone-childpolicyhasworkedwellin

controllingChina’spopulation.Westillhavealongwaytogo.Paragraph3Themeasurestodealwiththeproblems.1.sofar到目前為止(常與現(xiàn)在完成時連用）迄今為止我們沒遇到什么麻煩。Wehaven’thadanytroublesofar.

2.takemeasurestodosth.

采取措施做某事1)我們必須采取更有力的措施來保護我們的環(huán)境。

Wemusttakestrongermeasurestoprotectourenvironment.2)你必須采取措施來提高你的英語水平。

It’snecessaryforyoutotakesomemeasurestoimproveyourEnglish.語言點講解3.★

beknownas

“被稱為……”

臺山被稱為僑鄉(xiāng)。

TaishanisknownastheHomeofOverseaChinese.★beknownas+一個人的身份或者職業(yè)

=befamousas

“作為……而著名”劉歡作為歌手而出名。

LiuHuanisfamous/knownasasinger.★

beknownfor=befamousfor“以……而著名”中國以悠久的歷史而著名。

Chinaisknownforitslonghistory.4.workwellindoingsth.

在……方面做得很有成效1)每天背誦課文對學(xué)英語很有效。

RecitingtextseverydayhasworkedwellinlearningEnglish.2)做眼保健操對保護我們的視力有效。

Doingeyeexercisesworkswellinprotectingoureyesight.3)風(fēng)扇對保持房間涼快有效。

Thefanworkswellinkeepingtheroomcool.5.

Thankstothepolicy,Chinaisdevelopingquicklyandpeople’sliving---thanksto

“幸虧……,由于……”

e.g.多虧你的幫助，我才完成了任務(wù)。

Thankstoyourhelp,Icouldfinishmywork.課堂鞏固1.到目前為止，沒有人打破他人記錄。

________,noonehasbrokenhisrecord.2.我媽作為舞蹈家而出名。

Mymother_____________adancer.3.人人應(yīng)該采取措施來保護校園的環(huán)境。Everyoneshould________________protectourschoolenvironment.4.由于你的幫助，孩子們都能上學(xué)了。

___________yourhelp,childrencangotoschool.5.每天閱讀課文對提高英語很有效。

Readingtextseverydayhas_________________________English.SofarisknownastakemeasurestoThankstoworkedwellinimprovingEveryminute,about261babiesarebornintheworld.Thatmeanspeoplehaveto_____foodforabout375840newbornbabieseveryday.Theworld’spopulation_______________fasterandfaster.Ithas_______oneofthebiggestsocialproblemstoday.China______thelargestpopulationintheworld.Thereareabout1.3billionpeopleinChina.Ithas________20percentoftheworld’spopulation.Chinahas____________somepoliciestocontrolthepopulation,andthesepolicieshave_______well.ButChinastill_______aseriouspopulationproblem.2Completethefollowingpassagewiththecorrectformsofthegivenwordsorphrases.findgrows/isgrowingbecomecarriedoutreachedgrowreachhavefindworkbecomefacecarryouthasworkedfaces3aWorkingroupsandsearchfortheinformationaboutthefollowingquestions.Thenshareyourideawithyourgroupmembers.1.Howdoyouthinkwecangetmorelivingspace?2.Whatshouldthegovernmentdotooffermorejobopportunities?3.Theenergyandwaterislessandless.Whatshouldwedotodealwithit?4.Thetrafficincitiesismuchheavierthanbefore.Howcanwesolvetheproblem?3bWriteashortpassageofthreeparagraphsbasedon3a.

Chinahasthelargestpopulationintheworld.Ithascausedmanyproblems.Everyoneshoulddosomethingtosolvethem.

First,thegovernmentshouldkeeptheone-childpolicytocontroltheincreasingpopulation,andpracticethereformandopening-uptodevelopoureconomy.Onlyinthiswaycanwegetmorejobsandimproveourlivingconditions.

Second,theenergyandwaterisbecominglessandless.We’dbettersavethemasmuchaspossible,andtrytofindmorenewenergy.Inordertosolvetheproblemofheavytraffic,wecalloneveryonetotakeabusorwalkasoftenaspossible.summary1.Welearnsomewordsandsomephrases.halfof,onefifth,becauseof,satisfypeople’sdailyneeds,sofar,takemeasurestodo,beknownas,workwellin,thanksto2.Welearnsomesentences.Westillhavealongwaytogo.3.Wecangoontalkingaboutpopulationproblems.UsefulexpressionsinSectionC1.……的一半2.五分之一 3.因為4.同時

5.滿足人民日常所需6.到目前