Unit 1 Topic 2 The population in developing countries is growing faster. Section C 课件46张PPT内嵌音视频

第第页Unit1Topic2Thepopulationindevelopingcountriesisgrowingfaster.SectionC课件（46张PPT，内嵌音视频）(共46张PPT)

九年级上册

Unit1TheChangingWorld

英语

仁爱版

仁爱版英语九年级上册

Warmingup—Pre-reading—While-reading—Post-reading—Exercises—Summary

2.Thepopulationindevelopingcountries

isgrowingfaster.

SectionC

学习目标：

1.继续学习现在完成时。

2.学习分数和百分数表达法。

3.继续讨论有关人口增长的问题，并引导学生树立正确的人口观念

Warmingup

lesslivingspace

tofindjobs

water

energy

morecrowded

heavier

Becauseofthelargepopulation,

naturalenvironmentsarebecoming_______

_____________.

worse

andworse

Pre-reading

learnnewwords

socialadj.社会的；社交的[s()l]

supplyv.提供，供应n.供应量；供应[spla]

naturaladj.天然的；天生的['ntrl]

worseadj.更差的,更糟的adv.更差,更糟[ws]

What’sworse！更糟糕的是

sofar到目前为止

governmentn.政府，内阁[ɡvnmnt]

thankstosb./sth.幸亏，由于

paragraphn.段；段落[prɡrɑf]

opportunityn.机会，时机[/ptjunti]

newbornadj.新生的，初生的/[nju'bn/

percentn.百分之······[psent]

offerv.提供（东西或机会）；主动提出['f]

While-reading

8

88

888

8,888

88,888

888,888

8,888,888

88,888,888

888,888,888

8,888,888,888

88,888,888,888

888,888,888,888

Tonguetwister

Thepopulationindevelopingcountriesis________thanthatindevelopedcountries.

Whichcountryhasthelargestpopulation

What’sthepopulationofChina

larger

1a1.Beforeyoureadthepassage,discussthe

questionswithyourpartner.

1)WhydoesChinacarryouttheone-childpolicy

2)WhatsocialproblemsdoyouthinkChina’slarge

populationhascaused

1aReadandunderstand.

2.Writethetitleofthepassage.

1bRead1aandmatchthemainideawitheachparagraph.

1._____Paragraph1A.themeasurestodealwiththe

problems

2._____Paragraph2B.theworld’sandAsia’spopulation

3._____Paragraph3C.theproblemscausedbylarge

population

PopulationProblems

B

C

A

1cRead1aagainandcompletethetable.

PopulationofChina____________________

Socialproblemless______________

fewer_______opportunities

less_______and______

crowded________

heavy_________

________naturalenvironments

Governmentmeasure_____________________

1.37billion

job

water

energy

cities

traffic

worse

theone-childpolicyandothers

livingspace

ReadParagraph1andfillintheblanks.

Asiahasapopulationof_____________.That’stosay,almost______ofthepeopleintheworldliveinAsianow.

morethan3billion

half

Paragraph1

Theworld’sandAsia’spopulation.

3billion÷7.2billion≈1／2

(half)

50percent(50%)

AlmosthalfofthepeopleintheworldliveinAsia.

1.37billion÷7.2billion≈1／5

20percent(20%)

AboutonefifthofthepeopleintheworldliveinChina.

one

Whatsocialproblemshasitcaused

Paragraph2

Theproblemscausedbylargepopulation.

fifth

Becauseofthelargepopulation,

thereis__________________foreachfamily.

ReadParagraph2andfillintheblanks

lesslivingspace

Becauseofthelargepopulation,

itisdifficultforlotsofpeople______________.

tofindjobs

Becauseofthelargepopulation,

itishardforChinatosupply_______and______tosatisfypeople’sdailyneeds.

energywater

Becauseofthelargepopulation,

mostcitiesare______________thanbefore,andthetrafficismuch__________.

morecrowded

heavier

Becauseofthelargepopulation,

naturalenvironmentsarebecoming_______

_____________.

worse

andworse

Becauseofthelargepopulation,

naturalenvironmentsarebecoming_______

_____________.

worse

andworse

Becauseofthelargepopulation,

naturalenvironmentsarebecoming_______

_____________.

worse

andworse

Theone-childpolicy

—Everycouplecanhaveonlyonechild.

Sofar,theone-childpolicyworkedwellin

controllingChina’spopulation.

Westillhavealongwaytogo.

Paragraph3

Themeasurestodealwiththeproblems.

Post-listening

onesixth

oneninth

onetwentieth

fivesixths

twoninths

seventwentieths

ATTENTION

one/ahalf

aquarter

threequarters

threeandahalf

past

now

sofar

Sofar,IhavereadfiveEnglishnovels.

Everyminute,about261babiesarebornintheworld.Thatmeanspeoplehaveto_____foodforabout375840newbornbabieseveryday.Theworld’spopulation_______________veryfast.Ithas_______oneofthebiggestsocialproblemstoday.

China______thelargestpopulationintheworld.Thereareabout1.37billionpeopleinChina.Ithas________20percentoftheworld’spopulation.Chinahas____________somepoliciestosolvethepopulationproblem,andthesepolicieshave_______well.ButChinastill_______aseriouspopulationproblem.

2Completethefollowingpassagewiththecorrectforms

ofthegivenwordsorphrases.

find

grows/isgrowing

become

carriedout

reached

growreachhavefindworkbecomefacecarryout

has

worked

faces

3aWorkingroupsandsearchfortheinformation

aboutthefollowingquestions.Thenshareyour

ideawithyourgroupmembers.

1.Howdoyouthinkwecangetmorelivingspace

2.Whatshouldthegovernmentdotooffermore

jobopportunities

3.Theenergyandwaterislessandless.What

shouldwedotodealwithit

4.Thetrafficincitiesismuchheavierthanbefore.

Howcanwesolvetheproblem

3bWriteashortpassageofthreeparagraphsbasedon3a.

Onepossibleversion:

Chinahasthelargestpopulationintheworld.Ithascausedmanyproblems.Everyoneshoulddosomethingtosolvethem.

First,thegovernmentshouldcarryoutsomepoliciestocontroltheincreasingpopulation,andpracticethereformandopening-uptodevelopoureconomy.Onlyinthiswaycanwegetmorejobsandimproveourlivingconditions.

Second,theenergyandwaterisbecominglessandless.We’dbettersavethemasmuchaspossible,andtrytofindmorenewenergy.Inordertosolvetheproblemofheavytraffic,wecalloneveryonetotakeabusorwalkasoftenaspossible.

Exercises

Choosethebestanswer.

1._____ofthestudentsareboysinourschool.

A.TwothirdB.Twothrees

C.TwothirdsD.Secondthree

2.Theone-childpolicyhas_____controllingChina’s

population.

A.beengoodatB.donewellin

C.takencareofD.workedwellin

3.Edisonisknown_____agreatinventor.

A.forB.as