Population Problems Teaching planWord文档格式.docx

Population Problems Teaching planWord文档格式.docx

《Population Problems Teaching planWord文档格式.docx》由会员分享，可在线阅读，更多相关《Population Problems Teaching planWord文档格式.docx（12页珍藏版）》请在冰豆网上搜索。

China

9,600,000

1,3000,000,000

Beijing

Russia

17,000,000

141,000,000

Moscow

Canada

10,000,000

33,000,000

Ottawa

Australia

7,700,000

20,000,000

Canberra

theUS

9,000,000

304,000,000

Washington

Kenya

582,646

41,000,000

Nairobi*

*Nairobi[nai'

rəubi]n. 

内罗毕（肯尼亚首都）

PatternDrill:

PairWork

1.A:

Howbigis…?

/What’stheareaof…?

B:

It’s…squarekilometers./Ithasanareaof…squarekilometers.

2.A:

What’sthepopulationof…?

/Howlargeisthepopulationof…?

It’s….

3.A:

What’sthecapitalof…?

II.TuningIn:

UsethegraphsonPg.102tointroducethekeywordsandexpressionsinPartI.

WorldPopulationGrowth

Year年份

Population人口

1950

2.5billion

1960

3.0billion

1970

3.7billion

1980

4.5billion

1990

5.3billion

1999

6billion

2000

6.1billion

2005

6,4billion

Askquestions:

1.Whatdoesthegraphshow?

（Itshowstheworldpopulationgrowth.）

2.Howmanypeopleweretherein1960?

（Therewereabout3billion.）

3.Whatwastheworldpopulationin1999?

（Itwasabout6billion.）

4.That’stosay,theworldpopulationhadreached6billionby1999.Thepopulationdoubledfrom1960to1999,didn’tit?

（Yes.）

5.Howisthepopulationgrowing?

（It’sgrowingfast.）

6.Doesitmeanthebirthrateintheworldishigh?

7.Shouldwecontrolthebirthrate?

Why?

（Yes.Becauseitcausespopulationproblems.）

8.Whatpopulationproblemsaremanycountriesfaceswith?

[Showsomepicturesandletstudentstrytodescribethem.]

PictureOne:

Therearemoreandmorepeopleintheworld.----populationgrowth

PictureTwo:

Therearemoreandmoreelderlypeopleinthesociety.----theageingproblems.

PictureThree:

Moreandmorepeoplecometocities,socitiesbecomeovercrowded.----overcrowding

So,somecountriesarefacedwith…,others…andstillothers…

9.Whohastherighttomakedecisionstocontrolthebirthrate?

（Governments.）

WordsandExpressions:

1）grow（v.）–plant（grew,grown）

e.g.Thescientistisworkingonhowtomakericegrowfast.

growth（n.）–gettingbigger,increase,theactorrateofgrowinganddeveloping

e.g.Itisimportantforourgovernmenttocontrolthepopulationgrowth/thebirthrate.

Thereisagrowthofinterestindetectivestoriesamongyoungpeople.

2）double（v.,n.a.&

ad.）–twice

e.g.Hedoubledhisincomeinthreeyears.

3）overcrowding（n.）–toomanypeopleorthingsinasmallplace/crowd（n.&

v.）/crowded（a.）/overcrowded（a.）

4）befacedwith

e.g.Thepoliceofficerwascalmwhenhewasfacedwithdanger.

Hewasnotafraidwhenhewasfacedwith/meetwithdifficulty.

5）age（n.）/aging（aging）（n.）–gettingold/aged（a.）/teenager（n.）

6）solve（v.）--findawayofdealingwith;

findananswertothequestion/solution（n.）–theanswertothequestion,anactorwayoffindingananswertoadifficultyorproblem

e.g.solvetheagingproblems

findsolutionstosth.

e.g.Haveyoufoundsolutionstothepopulationproblems?

7）onaverage/anaveragefamily–anordinaryfamily,amanofaverageheight

e.g.OnaverageLiMingstudies8hoursaday.

8）therefore（ad.）--so

Homework:

1.Copythenewwords

2.Listentothetape,spellthenewwordsandlearnthembyheart.

3.PreviewDiscoveringLanguage:

Thepastperfecttense

SecondPeriod

Enablestudentstodothefollowing:

1.tolearnthepastperfecttense

2.togothroughthetext

3.toimprovethelisteningskills

4.todiscussproblemsandcauses

Askstudentstogivetheexactwordorexpressionaccordingtothegiveninformation.

a.theactofgrowing—growth

b.thegroupofpeoplewhoareresponsibleforcontrollingacountryorastate—government

c.thenumberofbirthseveryyearforevery1000peopleinthepopulationofaplace—birthrate

d.becometwiceasmuch/many—double

e.meet—befacedwith

f.becomingolderandusuallylessuseful—ageing

g.completelyfull;

filledwithacrowd—overcrowding

h.findananswertothequestion--solve

Orletstudentscompletethefollowingsentences:

1.Thepoliceofficerwasclamwhenhewasf________withdanger.（faced）

2.Becauseoftheworldpopulationg____,we’llfaceseriousproblems.（growth）

3.Withthedevelopmentoftechnology,theproductionofcarswilld________thisyear.（double）

4.Theb___________ofmanyEuropeancountriesareverylow.（birthrate）

5.TheproblemsinAsiainnotjustpopulationgrowthbutalsoo________.（overcrowding）

6.Thoughheisana__________rockstar,heisstillapopularsinger.（ageing）

7.Theg_______hasbeenthinkingaboutthefurtherbirthratecuts.（government）

II.Thepastperfecttense

1Reviewthepresentperfecttense

e.g.Wehavelearned600Englishwordssince2005.

可用数轴帮助理解：

（2005）agonow

现在完成时强调过去的动作和现在的联系。

比较：

Wehadstudied600Englishwordsby2005.

过去完成时表示在过去某一时间或动作之前已经完成的动作。

2.总结过去完成时的概念和结构had+pastparticiple

a）时间状语:

by2005/theendof…/theageofsix

bythetimesb.wassix

when/after/before+从句

b）Structure:

haddone（hadn’tdone）

c）Function:

表示在过去的某一时间或动作之前已经完成的动作或存在的状态，即“过去的过去”

e.g.Whenwegottothecinema,thefilmhadbeenontenminutes.

3AdditionalEx.

Gooverthepresentperfecttense.Letstudentscomparetwokindsofsentences,andfindoutthedifferencesbetweenthem.

d）Theworldpopulation_________（reach）5billionsince1987.

e）Theworldpopulation_________（reach）5billionby1987.

f）Theworkers________（build）threehighrisesbytheendofthisyear.

g）Theworkers________（build）threehighrisesbytheendofnextyear.

h）They__________（pick）alltheappleswhenwegettothefields.

i）They__________（pick）alltheapplesbeforewegottothefields.

III.Text

1.Listentotherecorderofthetextandtrytoanswerthequestions:

a）Howmanycontinentsarementionedinthetext?

Whatarethey?

（Three.TheyareEurope,AfricaandAsia.）

b）WhatpopulationproblemsareEurope,AfricaandAsiafacedwith?

（Europeisfacedwiththeproblemsareagingpopulation,AfricatheproblemsoffastpopulationgrowthandAsiabothfastpopulationgrowthandovercrowding.）

2.Listenagainandanswerthequestionstoeachparagraph.

InEurope:

a）WhyisthebirthrateverylowinEurope?

（Becausemanypeoplehaveonlyonechildornoneatall.）

b）HowlongdomenandwomeninEuropeliveonaverage?

（Onaverage,menlivetobe76,andwomen,78.）

c）Howistheoldpeople’slifeinEurope?

（Someareverylonelyandsomeareverypoor.）

poor（liveinpoverty）,lackmanpower

InAfrica:

d）HowoftenisthepopulationinAfricadoubling?

（Itisdoublingevery24years.）

every24years/otherday/sixhours

e）Manyfamiliescontinuetohavelargenumbersofchildren,don’tthey?

（Yes,theydo.）

f）HowfastwillKenya’spopulationincreaseinthenext80years?

（Thepopulationwillincrease10times.）

InAsia:

g）WhatpopulationproblemisAsiafacedwith?

（TheprobleminAsiaisnotjustpopulationgrowthbutalsoovercrowdinginmanycities.）

h）Wheredidmostpeopleusetolive?

Theyusedtoliveinthecountry.）

i）Wherewilltheylivewithinthenext25years?

（Theywillliveincities.）

j）Howmanypeoplewillliveincitieswithinthenext25years?

（Morethan65percentofthem.）

k）Whatproblemsdogovernmentshavetosolve?

（Governmentshavetosolvetheproblemofovercrowdingincities.）

3.Readthetext（chorally,individually）

4.Explainthetext（UseNotestothetextandDiscoveringLanguage）

Notestothetext:

a）rise（rose,risen）（vi.）c.f.raise（raised）（vt.）

e.g.Hasthemoonrisenyet?

Theriverhasrisentwofeet.

Pleaseraiseyourrighthand.

b）Thepopulationof…is…large/small

Thepriceof…is…high/low

c）continuetodo–goondoing/withsth.

d）largenumbersof--alargenumberof–many

hugeamountsof--ahugeamountof–much

e）It’snecessaryforsb.todosth.--needtodosth.

Homework

1.Reviewthepastperfecttense

2.Recitethetext

3.Comprehensioncheckonthetext&

WB（LanguageFocusIII/IV）

ThirdPeriod

1.consolidatethetext

2.learnthenewwordsandexpressionsinPartII

3.Listening&

Speaking（Developingskills）

Reviewthetext（Quickresponses）

1）What’sthepopulationprobleminEurope?

Thepopulationisgettingolder.

2）Whyisthepopulationgettingolder?

Thebirthrateislowandpeoplelivelonger.

3）WhyisthebirthrateverylowinEurope?

Becausemanyyoungpeoplehaveonlyonechildornoneatall.

4）HowlongdomenandwomeninEuropeliveonaverage?

Onaverage,menlivetobe76,andwomen,78.

5）Howistheoldpeople’slifeinEurope?

Someareverylonelyandsomeareverypoor.

6）WhatpercentageofthepopulationinEuropewillbeover60by2050?

About25percentofthepopulationwillbeover60.

7）Howfast（often）isthepopulationinAfricagrowing?

Itisdoublingevery24