Unit 13 We are trying to save the earth教案及练习题Word文档格式.docx

Unit 13 We are trying to save the earth教案及练习题Word文档格式.docx

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2教学难点：

能正确运用现在进行时，现在完成时，被动语态，情态动词和usedt句型。

三、教学步骤:

SetinA1（1a-2d）

IPresentatin

Shthepitureftheearthandtellstudentstheearthispllutedn

Frexaple:

（1）Thefatriesthatburnalpllutetheairithaltfblase

（2）Fatriesputasteinttheriver

（3）Pepleshuldthraalitterinthebin

（4）Therearerearsntherad

IILearning

HereareserdsrelatedtdifferentindsfpllutinritetheinthebxbelThenaddrerds

ludusiarsrubbishplaneslitteringshipsfatriessingbuildinghusesbilephnes

nisepllutinairpllutinaterpllutin

____________________________________

es:

nisepllutinludusiplanesbilephnesbuildinghuses

airpllutinfatriessingarsbuildinghuses

aterpllutinshipsrubbishlitteringfatries

IIIListening

11bListenandpletethesentenes

hatastheprble?

Theriveras_____________Eventhebtt（底部）ftheriverasfullf________Thereerenre______frfisheren（渔民）tath

hatausedtheprble?

Peplearethring_______inttheriverFatriesareputting______inttheriver

Hshuldtheprblebeslved?

eshuldritetthe____________andasthet___________thefatriesEverneshuldhelpt__________theriver

es:

realldirtrubbishfishlitterastegvernent

lsednleanup

2Listenagainandhe（√）thesentenesuhear

1）euldgfishingintheriver

2）Theriverasrealldirt

3）Theriverhasalasbeentheniestriverinthistn

4）eshuldastheteahersfrhelp

23

IVPratie

1Rle-plathenversatinin1

ar:

TheriverasdirtEventhebttftheriverasfullfrubbish

Tn:

Butitusedtbeslean!

es,butpeplearethringlitterinttheriver

Everneinthistnshuldplaapartinleaningitup!

2aenversatinsusingthepllutinin1a

A:

Theriverhasalasbeentheniestriverinthistn

B:

es,itusedtbeslean

ButIastherelasteeendandtheriverasrealldirt

hatausedtheprble?

Peplearethringlitterinttheriver

hatshulded?

Fatriesarealsputtingasteinttheriver

es,everneinthistnshuldplaapart

eshuldritetthegvernentandasthetlsednthefatries

hatelseaned?

Everneshuldhelptleanuptheriver

VLanguagepints

1e’retringtsavetheearth!

我们正在竭尽全力拯救地球!

trtd=trne’sbesttd努力去做某事。

egEverstudentshuldtrtstudhardinrdertstudinauniversit

为了进入大学学习，每个学生都应该努力学习。

2Hereareserdsrelatedtdifferentindsfpllutin

berelatedt与…有关

egIantrelatedthiinana我和他无任何关系。

3Everneinthistnshuldplaapartinleaningitup!

plaapartin在……方面起作用

egAgddietplasalargepartinhelpingpeplelivelnger

健康的饮食在帮助人们长寿方面起着非常大的作用。

plaapart在……中扮演角色

egHeasinvitedtplaapartinthisTVpla

他被邀请参加这个电视剧的演出。

4Eventhebttftheriverasfullfrubbish

litter和rubbish都可指“垃圾”，用作不可数名词。

rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。

litter指“（室内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）”还可回收

egThrtherubbishut把垃圾扔出去。

　　Therisfullfrubbish房间里堆满了垃圾。

　　Piupurlitterafterapini野餐后将废弃物收拾好。

VIListening

12aListenttheintervieirletheindsfpllutinthatasnandSusantalabut

AlandpllutinBairpllutin

nisepllutinDaterpllutin

BA

22bListenagainandpletethesentenes

1）Theairisbadlpllutedbeausethereare___________ntheradthesedas

2）Fatriesthatburnalals________theairithaltfblase

3）ThereisalstuhrubbishandastePeple_________________thingseverda

4）Peplearealslitteringin______________lieparsThisisturningbeautifulplaesintugl（丑陋）nes

rearspllutearethringaapubliplaes

3Listenandanserthequestins

1）histheintervieertalingt?

2）hatarethetaling?

3）hattherprblesdthesee?

Susanandasn

Theenvirnentalprbles

There’stuhrubbishandasteinthestreets

VIIPratie

（2）

Usetheinfratinin2aand2btrle-planversatinsbeteenasnandSusan

asn:

TheairhasbeereallpllutedarundhereI’gettingverrried

Susan:

es,Iusedtbeabletseestarsinthes

Theprbleisthat…

VIIIDisussin

AsstudentshateshulddtsavetheearthHelpstudentsanser,turnffthe

lightshenuleavear;

stpridinginars;

stpusingpapertelsrnapins;

relebsandpaper

IXReading

1Read2dandpletethehart

PrblesSlvingprbles

airpllutin

astepllutin

den（木头的）hpstisrplastifrs

rubbish

2Rle-plathenversatin

Intervieer:

asnandSusan,hatareurideasfrslvingtheseprbles?

ell,tutdnairpllutin,eshuldtaethebusrsubainsteadfdriving

eah,rrideabieTherearetheradvantages（优点）fbieridingIt’sgdfrhealthanditdesn’tst（花费）anthing!

Greatideas!

hatabutastepllutin?

IthinsiplethingsliebringingabagtgshppinganhelpIstarteddingthataearag

e,tAls,Inevertaedenhpstisrplasti（塑料）frshenIbutaeaa（外卖食品）fdIusethenesathe

Andreebertthrrubbishinthebinsandeeppubliplaesleanandbeautifulfreverne

Stgether,uratinsanaeadiffereneandleadtabetterfuture!

XSuarandlanguagepints

1Thisisturningbeautifulplaesintuglnes

turn…int…把……变成……

egTheirainseeedlietturnintsn

渐渐地冻雨又变成雪花的模样。

2It’sgdfrhealthanditdesn’tstanthing!

stv花费；

使付出

指花费金钱，主语通常是物。

st的过去式和过去分词均为st。

egTheneshirtstrang200uan王先生花了200元买了新衬衫。

Huhdestheneputerst?

新电脑花了多少钱？

tae,spend,pa&

ap;

st

tae，spend，pa和st都可以表示“花费”，但它们的用法各有不同。

1）tae多表示花费时间，常用于Ittaessbsetietdsth这一句型中，其中it作形式主语。

egItusualltaese40inutestthedinner

2）spend多表示花费时间和金钱，主语通常是人，常用于sbspend（s）setie/nensth和sbspend（s）setie/ne（in）dingsth两种句型。

egDavidspent2,000uanntheneahine

fatherspendsanhur（in）athingthenesnTVeverda

3）pa多表示花费金钱，主语通常是人，常用于sbpa（s）senefrsth句型。

egTpaid20uanfrhisbreafastesterda

4）st多表示花费金钱，主语通常是物，常用于sthst（s）（sb）sene句型。

egThenedressstLinda88uan

根据句意用tae,spend,pa或st的适当形式填空。

1）Thatnear________theltsfne

2）na__________0uannthebsustn

3）Itusuall_______eanhurtdher

4）ushuld__________setiepratisingurprnuniatin

）brther_______6,000uanfrtheneputeresterda

esstspenttaesspendpaid

3Stgether,uratinsanaeadiffereneandleadtabetterfuture!

aeadifferene（t…）表示（对……）产生影响或作用

egDuthinhisrdsuldaeandifferenetthefinaldeisin?

你认为他的话会对最后的决定产生影响吗？

TheneteaheralasenurageslittleTThishasadeabigdifferene

thi

新的老师总是鼓励小汤姆，这对他影响很大。

XIExerises

用动词的适当形式填空。

1）e’retring_______（save）theearth

2）Thereusedt_____（be）leanandbeautiful

3）Therearetan______fr________tath（fish）

4）It’sbadfrenvirnenttuse_________（d）hpstis

tsavebefishfisherenden

XIIThinabut

TheearthisbadlpllutedPleaseaeapsterandthinfhateand

XIIIHer

1pthenerdsandreeberthe

2Readthelisteningaterialsf1b,2a

SetinA2（3a-3）

IRevisin

（1）Rle-pla2d

（2）TranslatethesesentenesintEnglish

①甚至是河底都满是垃圾。

②这个小镇上的每个人都应该参加打扫。

③骑自行车有其它的优点。

④我买外卖食品从不拿木筷子和塑料叉子。

IILeadin

（1）Teahertellsstudentstheearthisbadlpllutedhatshuldedtsavetheearth?

Let’staeatinFrexaple:

①Turnffthelightshenuleavear;

②Taebusesinsteadfdrivingars

③Relebsandpaper

（2）Thereareseanialsareendangeredeshulddsethingtprtettheanialsandtheenvirnent!

IIIDisussin

（1）Haveueverseenashar?

（2）hatdunabutshars?

IVReading

（1）Sharsareendangered,readthepassageandudgethesentenes

①Shar’sfin（鱼鳍）supisfausandexpensiveallarundtherld

②ehavetillahleshartgetablfshar’sfinsup

③Pepleutffshars’finsandthrthesharsbainttheean

④Sharsareinthebttfthefdhainintheean’sesste

⑤ildAidandtheFareenvirnentalprtetingrupsinhina

⑥Shar’sfinsaregdfrhealth

（2）pletethefatsheetin3a

heresharfinsupisppular

Nuberfsharsaught

andtradedeverear

Huhthenubersf

seindsfsharshave

falleninthelast20t30

ears

Tenvirnentalgrups

hihareagainst“finning”

VPratie（3b）

（1）Readthepassageanddillintheblansiththerdsinthebx

1anpepledntrealizetheareillingahleshar______theenablfsharfinsup

2Sharsareatthetpfthefdhain,____iftheirnubersdrp,theean’sessteillbeindanger

3anthinthatsharsaretstrngtbeendangered,_____thearerng

4_________therearensientifistudiestsupprtthis,altfpeplebelievethatsharfinsaregdfrhealth

Sharsadisappearneda___edntdsethingtstpthesalefsharfins

（2）Retellthepassageardingttherdsbel

shar’sfinsup,insuthernhina

eahtieutffnlngerntnl…butals…

atthetpdrpbeendangeredthestrngestarund70illinfallenbver90perentildAidandtheFdevelplassientifistudies

VILanguagepints

1Asharannlngersiandslldies鲨鱼不能再游泳然后慢慢死掉。

nlnger意思是“不再”