外研版初中英语八年级下册教案 Module 3 Unit2 2

Unit2WehavenotfoundIifeonanyotherpIanetsyet.

ITeachingmodel

Readingandwriting.

IITeachingmethod

Top-downapproach

IIITeachingaims

1.Listenforspecificinformation.

2.Talkaboutspacetravel;participatinginarole-play.

3.Readandfindoutinformationfromsimpletextsandchoosethe

besttitle.

4.Writeapassagetodescribethepicture.

IVTeachingObjectives

Keyvocabulary:none,environment,that,solar,system,solar

system,group,galapossible,take-took-takenout,

communicate;

VTeachingaids

Recorder,OHP,video

VITeachingSteps

Step1Warming-up

1.Showsomepicturestoreviewtheteepictures.

3.Talkaboutthepictures.

4.Introducethenewwords.

5.Readthewordsaftertheteacher.

Step2Workinpairs.

1.EnjoyNewsReport.

2.ShowsomepicturestotalkaboutsomethingaboutShenzhou-9

3.AskthestudentstolookatthepictureinActivity1.

4.Workinpairs.

Shenzhou-9isamannedspaceship.

Step3Reading

1.Playtherecordingandlistentothetapecarefully.

2.Askthestudentstoreadthroughthepassage.

3.Choosethebesttitleforit.

1)Anyoneoutthere?

2)Lifeontheearth

3)Thesunandotherstars

4)Thestarsatnight

4.Checkwithapartner.

5.Callbacktheanswersfromthewholeclass.

6.Readthetexttogether.

Step4Check(V)thetruesentences.

1.AskthestudentstoreadthesentencesinActivity3.

1)Theearthisastar.

2)Thesunisastar.

3)Thereismorethanonegalathestarsinothergalaetoreach

us.

5)Scientistshavereceivedmanymessagesfromspace.

6)Spaceshipshavevisitedmostoftheuniverse.

2.Readthepassageagain.

3.Check(V)thetruesentences.

4.Checkwithapartner.

5.Callbacktheanswersfromthewholeclass.

Keys:1.X2.V3.J4.V5.X6.X

Step5Completethepassage.

1.AskIhestugentstorcqdthewordsinIhegxinActiqty4.

communicateenvironmentnonesolarsystem

|叫iverqn

2.AskthestudentstoreadthroughthepassageinActivity4.

Istherelifeonotherplanets?Therearesevenotherplanetsin

our(1),but(2)、ofthemhasa(r.)(3)

likethatoftheearth.Spaceshipsfromtheeartnhave

donesurveysoftheotherplanets,buttheyhavenotfoundantlife

there.Whyhasnoonefromotherplanetstriedto(4)

withus?ItistruethatscientistshavenotdiscoveredlifeonotHer

planetsinthe(5)__________yet,butsomescientistsbelieve

thattheywillfinditsomeday.

3.Completethepassagewiththewordsandexpressioninthebox.

4.Checkwithapartner.

5.Callbacktheanswersfromthewholeclass.

Keys:1.solarsystem2.none3.environment4.communicate5.

universe

6.Readthepassagetogether.

6Languagepoints

ientiststhinkthattherehasbeenlifeonEarthforhundreds

ofmillionsofyears.

科学家认为地琥上腹生命已经有亿万%小〒।寸

millionsof数百方，hundredsof数百，thousandsof成千上万,

billionsof薮千亿

e.g.TherearebillionsofstarsintheGala.

银河系中有数十亿颗恒星，我们的太阳只是其中的一个。

2.However,wehavenotfoundlifeonanyotherplanetsyet.

沙鬻if邮降1%遢.战

Thaventlearntanyfartherinformationyet.・我还爆没鬻有得1到进涔一

步的信息。

Haveyoureceivedherletteryet?你收到她的来位了吗？

3.TheEarthisaplanetanditg'ooeessaroundt二h…eS二u一n….S二e_v_e_nother

planetsals健ogo朗aro乾und球the盘sun3.地翻球、是金颗星行(星V，它围绕着太阳转。还

)、火星(Mars)、木

星(Jupiter)、土星(Saturn)、天王星(Uranus)、:星(Neptune)o

4.Noneofthemhasanenvironmentlikethatoftheearth,so

scientistsdonotthinktheywillfindlifeonthem.

他也中没有一个有像地球这样的环境，因此科学家认为在他们上面找不到

生命。

胆”露工…上表示（三个以上）一个也没有。作主语时，谓语助荆可用单

契霍普贾里如：Noneofushas/havebeentotheMars.我们中没一

5.…oursolarsystemisasmallpartofamuchlargergroupof

starsandplanets,calledtheGalailkyWay.

-D…黑-陶Dp测行泛星组指成的“星星系系”的一小部分，这个星

戈银河9一，,…一一，

逡里的t

distant厂科学豕行爱现了一个

Scientistshavediscovereda

遥远的星系。

6.Sohowlargeistheuniverse?It'simpossibletoimagine.

所以宇宙有多大？我们无从想象。

：Itis+形容词+to+动词原形，意国悬&故其事很……”

sdifficulttoreadthesewords.读这些单词很难。

7.Withsomanystarsintheuniverse,arewealone,oristhere

lifeoutthereinspace?

患，中有这么多恒星，我们是孤独的吗？抑或太空中还有其他生命存在

xvith+名词+介词短语，表示伴随情况，意思是“带着……”。例如:

Mr.Zhangiscomingwithabookinhishands.

犒盘髀翻藕来蒋定语只作表语,也可作副词。意思是“独自

地”。帆如：

Shewasaloneinthatdarkroom.她独自一人呆在那黑屋子里c

Step7Lookandanswerthequestions.

1.LookatthepicturefromasciencestoryforchildreninActivity

5.

2.Readthroughtheexamplesentences.

Whathavethescientistsjustreceived?(amessagefromoneofour

spaceships)

Theyhavejustreceivedamessagefromoneofourspaceships.

3.Askthestudentstoanswerthequestions.

1)Wherehasthespaceshiplanded?(Mars)

2)Whathasthespaceshipdiscovered?(peopleonMars)

3)WhyhavethepeopleonMarsnotsentusamessage?(donotknow

howto)

4)WhyhavethepeopleonMarsnotvisitedusontheearth?(do

notknowhowto)

4.Checkwithapartner.

5.Callbacktheanswersfromthewholeclass.

Keys:

1.IthaslandedonMars.

2.IthasdiscoveredpeopleonMars.

3.Theydonotknowhowtosendusamessage.

4.Theydonotknowhowtovisitusontheearth.

Step8Writing.

Writeapassagetodescribethepicture.Useyouranswers二。the

questionsinActivity5tohelpyou.

Wehavejustreceivedamessa