Unit 2 Saving the earth. Topic 1 Pollution has causes too many problems. SectionD課件（28張PPT內(nèi)嵌音視頻）20

第第頁Unit2Savingtheearth.Topic1Pollutionhascausestoomanyproblems.SectionD課件（28張PPT，內(nèi)嵌音視頻）20(共28張PPT)

Unit2SavingtheEarth

Topic1Pollutionhascausedtoomanyproblems.

SectionD

Haveyoueverhadapicnic

inmanyways

breathingproblems

withthedevelopmentof

inanoisyplace

o...(o)

aswell

causehighbloodpressure

becomegreen

inthefields

在許多方面

呼吸方面的問題

隨著的發(fā)展

在一個吵鬧的地方

把放進

也

引起高血壓

變得環(huán)保

在田野里；在這些領域

Haveyoueverhadapicnic

It_____(be)amessinthepast.

Jane_______(go)theretwoyearsago.

Theflowersandgrass__________________

(comeback).

Everything_____________(change).

Mrs.Zhouhadapaininherthroatbefore.It______(be)difficultforhertobreathe.

She_________(see)adoctoralready.Sheisbetter.

was

went

havecomebake

haschanged

was

hasseen

Simplepast強調(diào)過去

Presentperfect強調(diào)現(xiàn)在

Theyarecaused

bypollution.

Haveyoueverhadapicnic

ReadthroughSectionsA-Candfillintheblankswiththecorrectwords.

Grammar

I_____(go)theretwoyearsago.

It______(be)difficultformetobreathe.

What_________________(cause)yourcough

Howhaveyou______(be)

Luckily,thegovernmenthas________(solve)theproblem.

been

was

caused

solved

went

SimplePast＆PresentPerfect

Haveyoueverhadapicnic

Oh,whata_______!

Thereareseveralchemicalfactories_______wastewaterintothestream.

What’s______,thefactorymakestoomuchnoise…

Noiseis_________tohuman’shealth.

Peoplewhoworkandliveinnoisyconditionsoften______deaf.

…manyteenagersinAmericacanhearno______than65-year-oldpeopledo,…

…doesgreat_______topeople’shearing.

Functions

shame

pouring

worse

go

harmful

better

harm

課文關

Howdoyoufeelafterwatchingit

Whatcanwedoforpollution

Haveyoueverhadapicnic

Therearemanykindsofpollutionaroundus,

airpollution

lightpollution

litter

waterpollution

soilpollution

noisepollution

including

Haveyoueverhadapicnic

Therearemanykindsofpollutionaroundus,includingairpollution,soilpollution,noisepollutionandlightpollution.Theyarebadforourhealthinmanyways.

Haveyoueverhadapicnic

Burninggas,oilandcoalcreatesairpollution.Itcancausesoreeyesandbreathingproblems.

Withtheincreaseinpopulationanddevelopmentofindustry,litteriseverywhere.Itmakesourenvironmentdirty.Peopleputlotsoflitterintotheland.Inthefields,farmersusetoomanychemicals(whichdestroythesoil).Soilpollutioncausesunhealthyfood.

Haveyoueverhadapicnic

Noisepollutioncanmakepeopledeaf.Forexample,peoplemanylosetheirhearingiftheyworkinanoisyplaceforalongtime.Toomuchnoisecancausehighbloodpressureaswell.

Workinginstronglightforalongtimemaycausesomekindsofillnesses.Itmakespeoplefeelterribleandisexpeciallybadforeyes.

Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.

Haveyoueverhadapicnic

()1.Whatisthepassagemainlyabout

A.Airpollution.B.Lightpollution.

C.Litter.D.Allsortsofpollution.

()2.________destroy(s)thesoil.

A.ChemicalsB.Weather

C.NoiseD.Industry

()3.Howdopeoplefeelaftertheyworkinstronglightforalongtime

A.Excited.B.Happy.

C.Terrible.D.Sad.

HowwelldoyouknowSectionsA-CNowdothefollowingtasksandcheck.

A

D

C

Read1aandchoosethebestanswer.

Haveyoueverhadapicnic

PollutionCauseEffect

airpollutionburning_____,_____and__________eyesand_________problems

soilpollution_____iseverywhere,usetoomany________________environmentand_________food

noisepollution_______________placeforalongtimemakepeople_____andcause____________pressure

lightpollution_______lightkindsof________,badfor________

gas

oil

coal

sore

breathing

litter

chemicals

dirty

unhealthy

workinanoisy

deaf

highblood

strong

illnesses

eyes

1aReadthepassageandcompletethetableonPage34.

Haveyoueverhadapicnic

1.Theyarebadforourhealthinmanyways.

They____________toourhealthindifferentways.

2.Peoplemaylosetheirhearingiftheyworkinanoisy

placeforalongtime.

Ifpeopleworkinnoisyconditionsforalongtimethey

mayhave______________.

3.Noisepollutioncanmakepeopledeaf.

Peoplemay______deaf_____________noisepollution.

hearingloss

doharm

go

becauseof

/areharmful

1bReadandunderstandthefirstsentence.Thencompletethesecondone.

Haveyoueverhadapicnic

Therearemany__________ofpollutionaroundus.Theyare______forourhealthinmanyways.

Airpollutioncauses_____eyesand__________problems.______makesourenvironmentdirty.Soilpollution________thesoiland_______unhealthyfood.Noisepollutionmakespeople______andcauseshighbloodpressure.Lightpollutionisbadfor_____andcausessomekindsof__________.

Withlesspollution,ourplanetwillbecome_______andourhealthwillbebetter.Let’sbegreenerpeople.

kinds/sorts

bad

sore

breathing

Litter

destroys

causes

deaf

eyes

illnesses

greener

Completethepassageaccordingto1a.

語法關

Haveyoueverhadapicnic

1.Burninggas,oil,coalcreatesairpollution.

燃燒氣體、石油和煤都會造成空氣污染。

createv.造成，創(chuàng)造

creativeadj.創(chuàng)造性的

creationn.創(chuàng)造；創(chuàng)造物

2.Inthefields,farmersusetoomany

chemicalswhichdestroythesoil.

在地里，農(nóng)民使用了太多對土壤起破壞作用的化肥和農(nóng)藥。

定語從句

back

Haveyoueverhadapicnic

3.Withtheincreaseinpopulationandthedevelopmentofindustry,litteriseverywhere.

with“隨著”“擁有”prep.反義詞：__________

練習：

1.Withthe___________(increase)ofpopulation,litteriseverywhere.

2.Withthe___________(develop)ofChina,people’sliveshavebecomemoreandmorecomfortable.

3.______moremoney,Iwouldbeabletobuyit.

有更多的錢，我就能買它了。

4.Ican’tdoit_________yourhelp.沒有你的幫助，我不能做這件事。

5.With_______(little)pollution,ourearthwillbecomegreener.

without

increase

development

With

without

less

back

Haveyoueverhadapicnic

4.Toomuchnoisecancausehighbloodpressureaswell.

too肯定句，句末，用逗號隔開

either否定句，句末，用逗號隔開

also肯定句，句中（有時也放句首，相當于what’smore）

aswell肯定句，句末

及時練習：

1.Iamastudent,___________.

2.Lucydoesn’tgototheparty,___________.

3.LiMing______tookpartinthesportmeeting.

4.Shehasknowledgeandexperience_________.

5.Iamateacher._______,Iamanactor.

too

either

also

aswell

Also

back

Haveyoueverhadapicnic

5.Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.

planetn.行星

greenadj.綠色的，環(huán)保的n.綠色

比較級：greener最高級：greenest

翻譯句子：

Sheworeagreendress.

Theyaregreenproducts.

back

Haveyoueverhadapicnic

Phrasecollection

把……倒入……___________________

havegotapainin…___________________

throwaround___________________

對……有害___________________

notallpeople___________________

godeaf___________________

喪失聽力___________________

和……（幾乎）一樣壞___________________

disturbothers___________________

各種各樣樣的___________________

在很多方面___________________

pour…into…

……疼

亂扔

beharmfulto

=doharmto

不是所有人

變聾

=havehearingloss

loseone’shearing

nobetterthan

打擾別人

allsorts/kindsof

inmanyways

Haveyoueverhadapicnic

Mary:Excuseme.______Ihaven’tseenhimforweeks.

Bill:Jim’sgonetoEngland.

Mary:Really______

Bill:Hewenttherelastweek.

Mary:______

Bill:Forthreetimes.

Mary:______

Bill:Hetraveledwithhisfriends.

Mary:______

Bill:Hewillbeawayforabouttwoweeks.

Mary:Oh,thankyou.I’llphonehimthisevening.

e.Where’sJim

a.Whendidhegothere

b.Howmanytimeshashebeenthere

d.Whodidhetravelwith

c.Howlongwillhebeaway

e

Conversation

a

b

d

c

Haveyoueverhadapicnic

Project

MakingaWallNewspaperAboutPollution

1.Collectsomepicturesaboutpollution.

2.WhatkindofpollutiondoeseachpictureshowWork

ingroupsanddiscussitsbadeffects.

3.Makeawallnewspaperaboutdifferentkindsof

pollutionandtheharmcausedbythem.

Haveyoueverhadapicnic

Exercises

根據(jù)漢語意思完成句子。

1.如今，很多人患有高血壓。

Nowadays,manypeoplehave___________________.

2.動物可以在很多方面幫助人們。

Animalscanhelppeople______________.

3.邁克會打籃球，他跑步也很快。

Mikecanplaybasketball.Herunsfast__________.

4.隨著工業(yè)的發(fā)展，污染越來越嚴重。

_______________________industry,pollutionhas

become_______________serious.

highbloodpressure

inmanyways

aswell

Withthedevelopmentof

moreandmore

Haveyoueverhadapicnic

Exercises

單項選擇

()1.Lindahasmanyhobbies,________listeningtomusic,collectingcoins,

goingcyclingandsoon.

A.forexampleB.including

C.aboutD.and

()2.