外研版八下课件

noneenvironmentsolarsystemsolarsystemgroupgalaxyuniverseimpossiblecommunicate

pron.

没有一个n.环境adj.

太阳的，与太阳有关的n.系统，体系星系，(尤指)太阳系n.

群，组n.星系

n.

宇宙adj.(事情)办不到的，不可能的v.联系，交流Wordsandexpressionsnonepron.没有一个WordsandexprePeriod2Unit2Wehavenotfoundlifeonanyotherplanetsyet.Module3JourneytospacePeriod2Unit2WehavenotfoThesearethegreattimeforeveryChinese.1.On15th,October20032.On12th,October20053.On25th,September20084.On16th,June20125.On11th,June20136.…Shenzhou-5Shenzhou-6Shenzhou-7Shenzhou-9Shenzhou-10SpacewalkThesearethegreattimeforeWhydowesendspaceshipstotheuniverse?WhydowesendspaceshipstotMatchthewordswiththepictures.earthplanetsolarsystemstarGalaxyMilkyWayUniverseMatchthewordswiththepictu1.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherothers4.ThestarsatnightThebesttitleforthepassage_________.Fastreading:Readthepassagequicklyandchoosethetitle.Readingtip1:thebeginningandtheending11.Anyoneoutthere?2.LifeonPutthewordsandphrasesintheorder(small—big)1234earth,universe,galaxy,solarsystem2solarsystem1earth3galaxy4universePutthewordsandphrasesintCarefulreading:ReadPara1carefullyandanswer:1.Howmanyyearshastherebeenlifeontheearth?Hundredsofmillionsofyears.2.Havewefoundlifeonotherplanets?No,wehaven’t.Carefulreading:ReadPara1caTheearthisa______andit___________thesun.Sevenotherplanetsalsogoaroundthesun.______ofthemhas____________like______oftheearth.Thesunanditseightplanetsarecalled____________.Oursolarsystemisasmallpartof______________.Therearemanyothergalaxiesinthe________.Carefulreading:ReadPara2carefullyagainandfill.thatsolarsystemtheGalaxyortheMilkyWayuniversegoesaroundNoneanenviromentplanetTheearthisa______anditCarefulreading:ReadPara3carefullyandanswer.Lightyear(光年)

Whythestarslooksmall?Becausethayarefaraway.Theirlighthastotravelformanyyearstoreachus.Howfar?Howlaregeistheuniverse?Itisimpossibletoimaginehowlargetheuniverseis.Carefulreading:ReadPara3cScientists_______________manyotherglaxiesintheuniverse.Theyarefarawayandtheirlighthastotravelmanyyears___________.Soitis__________toimagine_______________________.havediscoveredtoreachusimpossiblehowlargetheuniverseisScientists_______________manyMarsCarefulreading:ReadPara4carefullyandfinish.outsidethesolarsystem1.Havescientistssentthespaceshipstootherplaces?Where?Yes,theyhave.2.HavethespaceshipsreachotherstarsinourGalaxy?No,theyhaven’t.NospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.MarsCarefulreading:ReadParaScientists_________spaceshipstoMars_____________.Theyhaveevensentspaceshipstotravel______________________.However,nospaceshiphastravelled____________reachotherstarsinourGalaxy.havesenttotakephotosoutsidethesolarsystemfarenoughtoScientists_________spaceshipIstherelifeoutthereinspace?Havetherebeenvisitorstotheearthfromotherplanets?Whyhasnoonecommunicatedwithus?Carefulreading:ReadPara5carefullyandimagine.

Alien

UFOWithsomanystarsintheuniverse,arewealone?Whatquestionshavethescientistsasked?Istherelifeoutthereinspa1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.Check(√)thetruesentences.1.Theearthisastar.Check(1therehas/havebeen2hundredsofmillionsofyears3goaround4becalled5partof…6billionsof7communicatewithsb.1有2数亿年3绕…转4被称为5…的一部分6数十亿7与某人交流读后学一1therehas/havebeen1有读后学一1.Noneofthemhasanenvironmentlikethatoftheearth.none指三个或三个以上的人或物中“没有一个”，其后常接“of+名词”，后面动词单复数形式均可。noone表示“没有人”，作主语时谓语动词用单数形式。Noneofushas/havebeentoSanya.读后学二1.NoneofthemhasanenviroThepopulationofChinaislargerthanthatofAmerica.that:指代前面被提及的事物

ThetemperatureinShandongishigherthan______ofLiaoning.AthatBthisCitAThepopulationofChinaislar2However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.….adj./adv.enoughtodosth.…做某事足够…Heisnotoldenoughtojointhearmy.Theyarestrongenoughtocarrythebox.2However,nospaceshiphastr1)Readandfindoutyourowndifficultpoints.2)Discussyourproblemswithyourgroupmembers.读后学(三)1)Readandfindoutyourown20学后读

Readthedialoguesentncebysentence.学后读ReadthedialoguesentnceLookatthepicturefromasciencestoryforchildrenandanswerthequestions.Wherehasthespaceshiplanded?(Mars)Whathasthespaceshipdiscovered?(peopleonMars)3.WhyhavethepeopleonMarsnotsentusamessage?

(donotknowhowto)4.WhyhavethepeopleonMarsnotvisited

usontheearth?(donotknowhowto)WorkingroupsandimagineWhathavethescientistsjustreceived?(amessagefromoneofourspaceships)Theyhavejustreceivedamessagefromoneofourspaceships.读后说LookatthepicturefromasciWehavejustreceivedamessagefromourspaceshiptoMars…Writeapassagetodescribethepicture.UseyouranswerstothequestionsinActivity5tohelpyou.Wehavejustreceivedamess4.Completethepassagewiththewordsandexpressioninthebox.

Istherelifeonotherplanets?Therearesevenotherplanetsinour______________,but_______ofthemhasa(n)_______________likethatoftheearth.Spaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto_________________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe___________yet,butsomescientistsbelievethattheywillfinditsomeday.solarsystemenvironmentnonecommunicateuniversecommunicateenvironmentnonesolar

systemuniverse4.Completethepassagewithth

WehavejustreceivedamessagefromourspaceshiptoMars.ScientistshavejustheardthatthespaceshiphaslandedonMarsandhasdiscoveredpeople.Thesepeoplehaven’tsentusamessagebecausetheycan’thearus.Theyhaven’tvisitedtheearthbecausetheypreferlifeonMars.TheyhaveusedpartsfromtheotherspacecraftfromearthtomakeTVs,radiosandcars.PossibleversionWehavejustreceivedamess一、根据句意写单词。1.Everyoneknows______travelsmuchfasterthansound.2.______ofuslikethisbadTVprogramme.3.Theflowerswill_____welliftheygetenoughwater.4.Thesolarsystemisasmallpartofour________.5.Wehaven’t________lifeonotherplanetsyet.lightNonegrowgalaxyfound一、根据句意写单词。1.Everyoneknows__

二、句型转换。1.IhavebeentoAmericabefore.（变成一般疑问句）

___________________________________________2.have,finished,not,I,homework,my（连词成句）

___________________________________________3.She___________theGreatWalltwice.

（选

hasgoneto/hasbeento填空）4.Ithinkhewillcometoyourbirthdayparty.（改为否定句）

I_____________________cometoyourbirthdayparty.HaveyoubeentoAmericabefore?Ihavenotfinishedmyhomework.hasbeentodon’tthinkhewill二、句型转换。1.Ihavebe