外研社英语八年级下M3U1课件.pptx

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1、EarthMarsMoon第1页/共52页outerspace第2页/共52页Whatisouterspacelike?Hasanyonebeentoouterspace?Whatsinouterspace?Nowletshavealook!第3页/共52页OurGalaxy-TheMilkyWay(银河)Therearemorethan200billionstarsinourgalaxy(星系),andtheSunisonlyoneofthem.第4页/共52页OtherGalaxiesThereareothergalaxiesintheuniverse.Thestarsweseeatnig

2、htarethesunsinothersolarsystems.第5页/共52页thesolarsystem第6页/共52页Mercury水星水星Earth地球地球Mars火星火星Saturn土星土星Neptune海王星海王星Venus金星金星Jupiter木星木星Uranus天王星天王星Pluto冥王星冥王星第7页/共52页第8页/共52页小行星带Asteroidbelt彗星Comets陨石Meteorites第9页/共52页Howcanwegotoouterspace?Byspacecraft.第10页/共52页spaceshuttle第11页/共52页astronaut第12页/共52页

3、spacestation第13页/共52页Hasmandiscoveredlifeonthemoon?第14页/共52页ApolloMoonlanding第15页/共52页MoonexplorationChangeI第16页/共52页MoonexplorationChangeII第17页/共52页ChangeII第18页/共52页HasmandiscoveredlifeonMars?第19页/共52页Yinghuo-1(萤火一号)第20页/共52页Yinghuo-1wasaChineseMars-explorationspaceprobe,intendedtobethefirstChinese

4、spacecrafttoexploreMars.Itwaslaunchedon8November2011.Owingtoburnsdidnottakeplace,leavingbothprobesstrandedinorbit.On17November,ChineseStatemediaformallydeclaredtheYinghuo-1probelost.Yinghuo-1underwentdestructivere-entryon15January2012,finallydisintegratingoverthePacificOcean.第21页/共52页Marsisconsidere

5、dtobetheplanetthatcouldbesuitableforpeopletostay.Diameter(直径直径)6,794kilometersQuality(质量质量)6.4219e23kilogramsGoodnews:SomescientistshavealreadysentaspacecrafttoMars.第22页/共52页1.Astronautstakethe_togettothe_.Completethesentenceswiththecorrectformofthewordsandphrasesinthebox.spaceshuttlespacestationbor

6、rowdiscoverlifemodelrecentlyspacestationspaceshuttle第23页/共52页2.Theyhavent_any_onMarsyet.3.The_ofthespacestationisntDamings,andheonlywantsto_it.4.Astronautshaventbeentothemoon_.Thelasttimewasover30yearsago.discoveredlifemodelborrowrecentlyborrowdiscoverlifemodelrecentlyspacestationspaceshuttle第24页/共5

7、2页Listenandnumberthewordsasyouhearthem.earthlandmessagemoonnewsplanetreachscientist12573846第25页/共52页Listenagainandcompletethenotes.lnewsaboutthetripto_ljourneyof_monthslhasnotsentbackany_yetlhopetofind_onMarsMarseightmessageslife第26页/共52页Listenandchoosethebestanswers.1.Tonyhasmadeamodelofthe_.A.spac

8、eshipB.spacecraftC.spaceshuttle2.HavetheastronautsdiscoveredlifeonMars?_A.Yes,theyhave.B.No,notyet.C.Yes,theydid.AB第27页/共52页Readandanswerthequestions.1.WhatschoolprojecthaveDamingandTonygot?2.HowdoesDamingfeelabouttheschoolproject?Spaceship.Heisnotsurehowtomakethemodel.第28页/共52页3.WhatnewshasTonyhear

9、d?4.HasanyonebeentoMars?Why?SpaceshiptoMarshasreachedthere.No,becauseMarsisveryfaraway,muchfartherthanthemoon.第29页/共52页TonyandDamingmeeteachother.Tonyhasjustmadea_ofthespaceship.Damingthinksitsgreat,buthehasnt_hisyet.Theythentalkaboutthelatestnews.Some_havesentaspaceshiptoMars.Ithastakenseveralmonth

10、stogetthere.Readtheconversationandcompletethepassage.Then,actouttheconversationwithyourpartners.modelstartedscientists第30页/共52页Theyhavent_lifeonMarsyet.NoonehasbeentoMarsyet,but_havealreadybeentothemoon.Marsisvery_.Lotsof_are_inordertosendastronautstoMarsoneday.discoveredastronautsworkingfarawayscie

11、ntists第31页/共52页Keypointsbeupto表示“从事于,忙于”,后面接名词、代词或-ing形式等。如:Allofusareuptogooddeeds.我们所有人都在做有益的事情。Goandseewhatthesenaughtyboysareupto.去看看这些顽皮的孩子在做什么。1.Whatareyouupto?第32页/共52页beuptosb.todosth.表示“应由某人做某事”。常用it作形式主语。如:Itisuptometogetthefourofusmoving.该由我来召集我们四个人动起来。beuptosb.表示“由某人决定,随某人”。如:Whetherwewi

12、llgototheparkisuptoyourbrother.我们是否去公园由你哥哥定。AnIndianoraChinesemeal?Itsuptoyou.吃印度菜还是中国菜?由你决定吧。第33页/共52页beupto表示“胜任,适合,适于”,多用于否定句或疑问句。如:LiPingisnotuptohiswork.李平不能胜任他的工作。Doyouthinksheisuptodoingitalone?你认为她能独立完成这件事吗?beupto“表示:及得上,比得上”。如:ThenewbookofSmithsisnotuptohislast.史密斯先生的这本新书不及他写的前一本好。第34页/共52页

13、2.Haveyouheardthelatestnews?latest意为“最新的,最近的,最迟的”,是形容词,常放在名词前作定语;latest也可作副词,意为“最迟地;最近地”。late意为“晚的”,是形容词,其比较级是later。later也常用作副词,表示“以后,后来”。如:第35页/共52页Shegotuplatestthismorning.她今天早上起床起得最晚。Shegetsuplaterthanmysister.她比我妹妹起得晚。Canyoutellmeyourlatestlife?能告诉我你最近的生活吗?第36页/共52页选择括号中的单词填空。1.IamsorryIam_(lat

14、e;latest)thistime.Iwillbeearliernexttime.2.Canyoutellmeyour_(late;latest)life?latelatest第37页/共52页3.Thejourneyhastakenseveralmonths.several意为“几个的,数个的”,在句中作形容词;several也可意为“几个,数个”,作代词。如:Severalstudentshaveunderstoodthequestion.有几个学生已明白这个问题了。SeveralofthemhavebeentoShanghai.他们之中有几个人去过上海。第38页/共52页Complete

15、thesentences.1.你曾经进入过太空吗?_youever_intoouterspace?2.你弟弟曾经在大海里游过泳吗?_yourbrotherever_inthesea?3.魏明曾经坐飞机游遍全国。WeiMing_thecountrybyplane.HavebeenHasswumhasbeenallover第39页/共52页4.还有他没参观过的地方吗?Isthereanywherethathe_?5.Sally邀请了我有朝一日跟她一起待在英国。Sally_metostaywithherinEnglandoneday.hasntvisitedhasinvited第40页/共52页Li

16、stenandunderlinethewordsthespeakerstresses.1.Ivejustmadeamodelspaceshipforourschoolproject.2.IhaventstartedyetbecauseImnotsurehowtomakeit.3.Hasitarrivedyet?4.Astronautshavealreadybeentothemoon.第41页/共52页Findoutthepresentperfectsentencestotellwhattheyhavedone,andwhattheyhaventdone.1.Ivejust madeamodel

17、spaceship.2.Ihaventstartedityet.3.Haveyouheardthelatestnews?4.Scientistshave sentaspaceshiptoMars.5.Thejourneyhas takenseveralmonths.第42页/共52页6.Ithasarrivedalready?7.-SohavetheydiscoveredlifeonMars?-No,theyhaventyet.8.Astronautshavealreadybeentothemoon.9.Butnoonehas beentoMarsyet.第43页/共52页Nowthinkab

18、outthisspacetravel.Whathavewedone?Whathaventwedone?WehavealreadysentaspaceshiptoMars.WehavejustWehaveLetswritemoresentencesandseewhohasthelongestlist!Wehaventfoundlifeonthemoonyet.WehaventWehavent第44页/共52页Makealistofwhatwehaveandhavenotdoneinspacetravel.WehaveWehaventsentaspaceshiptoMarsdiscoveredli

19、feonMarsbeentothemoonsentanastronauttoMars第45页/共52页Workinpairs.Talkaboutspacetravelwiththelistsofwhatwehaveandhavenotdone.2.Dontpanic!不要惊慌!-HavewesentaspaceshiptoMars?-Yes,wehave.But第46页/共52页现在完成时态(II)现在完成时态可用于表达刚刚做完某事或已经做完某事,常见的标志词有already,just,yet等。下面我们一起看看这几个词的用法:(1)already意为已经,just意为刚刚,常放在have/h

20、as和动词之间,两者常用于肯定句中。如:Theyhavealreadyarrivedatthehospital.他们已经到达医院了。第47页/共52页(2)yet多用于否定句中,意为还(没);也常用于疑问句中,意为现在,已经。如:Thesunhasnotrisenyet.太阳还没有升起。Hasthemanfinishedtheworkyet?这个男人做完工作了吗?第48页/共52页1.Dontworryabouthim.Hehas_arrivedathomesafely.2.Haveyoutoldhimthenews_?3.Ihave_eatensomerice.NowIamfull.yetj

21、ustalreadyalready/justyetjust/alreadyPractice:Completethesentenceswiththewordsinthebox.第49页/共52页Fromtheabovelist,weseethatthereisalotofknowledgeforyoutoexploreabouttheouterspace.Thinkaboutwhatyouaregoingtodotothespacewhenyougrowup.Youmayworkingroups,makeadialogueorwriteashortpassage.Makeadialogue.第50页/共52页Tellyourpartneraboutsomethingyouveborrowedthisweek.somethingyouvedonerecently.amodelofsomethingyouhaveseen.somethingscientistshavediscovered.Workinpairs.第51页/共52页感谢您的观看!第52页/共52页

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