外研社八年级英语.ppt

Whatdoyouthinkofwhenwetalkaboutthespace?,universe,wordsandexpressions,Earth,Mars,spacestation,spaceshuttle,航天飞机,spacecraft,太空船,model,n.模型,Peterhasamodelplane.,彼得有一个飞机模型。,Whichmodelcardoyouwant?,你喜欢哪个模型汽车？,Canyouremember?,Earth,Mars,spacestation,spaceshuttle,spacecraft,model,航天飞机,太空船,航空站,模型,地球,火星,already,adv.早已，已经,一般用于肯定句，与完成时连用,Ihavealreadyhadlunch.,我已经吃过午餐了。,just,adv.刚刚，刚才,Ihavejusthadlunch.,我刚刚吃了午饭。,station,n.站，所，局，车站,busstation,汽车站,spacestation,太空站,policestation,警察局,panic,v.（使）感到惶恐,Dontpanic.不要恐慌。,panic还可以做名词：恐慌，惊慌形容词：恐慌的,latest,adj.最近的，最新的,latestnews,最新消息,several,adj.几个的，数个的,severaltimes几次,severalstudents几个学生,Ithastakenseveralmonthstogetthere.,花了几个月才到达那里。,month,n.月,lastmonth上个月,nextmonth下个月,severalmonths几个月,IhavebeentoChengdulastmonth.,我上个月已经去过乐山了。,discover,v.发现,dis(否定前缀）+cover（覆盖）discover不覆盖就要被发现,disagree,不同意,dislike,不喜欢,TheyhaventdiscoveredlifeonMarsyet.,他们在火星上尚未发现生命。,recently,adv.最近,recent（最近的）+ly(副词词尾）,Isthereanythinggoodontelevisionrecently?,最近有好看的电视节目吗？,Noonehasbeentothemoonrecently.,最近没有人去过月球。,show,v.展示，给看,showsth.tosb.=showsb.sth.,给某人看某物,Couldyoushowmethewatch?,Couldyoushowthewatchtome?,=,能将手表拿给我看看吗？,over,prep.多于（某时间，数量，花费等）,over5yearsago5年多前,Thereareover30monkeysinthezoo.,动物园有30多只猴子。,Matchthewordswiththepictures,A.scientistB.EarthC.MarsD.moonE.spaceshuttleF.landG.spacestation,A.,B,C,D,E,F,G,Letslisten,Listenandnumberthewordsasyouhearthem,EarthMarsMoonscientistspacecraft,41532,Activity2,Checkthetruesentences.()1)ThespacecrafthasreachedMars.()2)Ithaslanded.()3)IthasalreadysentmessagesbacktoEarth.()4)Theyhavefoundlifeonthemoon.()5)TheyhavefoundlifeonMars.,Homework:1.预习对话2.完成P19-53.完成P23-3.4.5,Agoodbeginningishalfdone.,良好的开端是成功的一半。,have/hasbeento已去过(去过又回来)have/hasgoneto已去了(去了还未回来),1.I_ever_totheGreatWallonce.2._Tim_toJixingmanytimes?3.We_toBeijingtwice.4.They_tothePalaceMuseum,nowtheymaybeontheway.5.Lily_totheoffice,sosheisnthere,have,been,been,Has,havebeen,havegone,hasgone,Nowchoosethecorrectwords,Astronautshavebeen/gonetothemoonandreturnedsafely.Thespacecrafthasbeen/gonetothespace.Itwontreturn.Thespaceshuttlehasbeen/gonetothespacestation.Itwillcomebacktomorrow.Thespaceshuttlehasbeen/gonetothespacestation.Itbroughtbacktwoastronauts.,_,_,_,_,Completethesentenceswith“have/hasbeen”or“have/hasgone”,Aspacecraft_toMars.Itscomingbacktoearthnextyear.Lotsofastronauts_tothespacestation.Theyfounditveryinteresting.SomeAmericanastronauts_tothemoonseveraltimes.ABritishastronaut_tothespacestation.HellcomebackinJanuary.,hasgone,havebeen,havebeen,hasgone,Completethepassagewiththecorrectformoftheverbs.,Nicky:Ivejust1)_(see)agreatTVprogrammeaboutspace.Didyouknowthatscientistshave2)_(discover)wateronMars?Bill:No,Really?Thatsveryinteresting.3)_they_(try)tofindlifeonMars?Nick:Well,theyvelookedforlifebutthey4)_(notfind)anythingyet.Bill:Theyvealready5)_(find)thattheresnolifeonthemoon.Nicky:Yes,thatsright.SofartheresonlylifeonEarth.,seen,discovered,Have,tried,haventfound,found,Grammar:现在完成时（一）,构成,用法,常用状语,have+动词过去分词has+动词过去分词,1.表示曾经做过某事或已经做过某事2.表示某人的经历,ever,already,yet,现在完成时,He_taughtherefor5years.A.hasB.haveC.was2.Itsounds_,letsdoit.A.wellB.goodC.badWehavevisitedQingdao_.A.twomonthsagoB.beforeC.now4.Bettyhas_enteredacompetition,shewantstodoit.A.everB.neverC.just5.HaveyouwantedtogototheUSA?_A.Yes,Ido.B.Yes,Ihave.C.No,Ihasnt.6.Thesecond_istwobeautifulwatches.A.priceB.prizeC.place7.Whatsthe_ofatraintickettoShenzhen?A.priceB.prizeC.place,A,B,B,B,B,B,A,Timeismoney.,时间就是金钱。,Module3Journeytospace,Unit1Haveitarrivedyet?,Letslisten,Beforereading,1.Whohasmadethemodelofthestation?2.Whatisthelatestnews?3.CanDamingborrowthespacestationtohisparents?,Tony,SomescientisthavesentaspacecrafttoMars.,Yes,hecan.,Somekeypoints(重点),1.Whatareyouupto?,你在干什么呢？,upto常用在非正式场合，表示“正在干，从事着”,eg：Thechildrenareveryquiet,Iwanttoknowwhattheyareupto.,2.Ivejustmadethismodelofthespacestation.,just刚刚，刚才，仅仅。,Shehasjusthadlunch.,3.Ihaventstartedityet.,我还没有开始呢？,Hasitarrivedyet?,它已经到达了吗？,yet常用于现在完成时的否定句和疑问中。,yet用于否定句中，表“还未，尚未”的意思。,yet用于疑问句中中表示“已经”的意思。,你知道了吗？,already与yet的用法,4.already用于现在完成时的肯定句中。,yet用于现在完成时的否定句和疑问句中。,IhavefinishedmyhomeworkTheyhaventstartedIhaveseenthefilmHaveyoufinishedyourhomework?,already,yet,already,yet,5.Ithastakenseveralmonthstogetthere.,到达那儿花费了几个月的时间。,several相当于afew,后面接可数名词的复数形式。,句型：Ittakessb.sometimetodosth.干某事花费某人多长时间。,6.IheartheyvegonetoShanghaionbusiness.,onbusiness出差,7.Pleasebringitbacktomorrow.,Answerthequestions.,1.WhathomeworkhasDaminggot?,2.HowdoesDamingfeelaboutthehomework?,3.WhatnewshasTonyheard?,4.WhohasbeentoMars?,Makingamodelofthespacestation.,Hepanics.,SomescientistshavesentaspacecrafttoMars.,Noone.,1.Astronautstakethe_togettothe_.2.Theyhavent_any_onMarsyet.3.The_ofthespacestationisntDamings,andheonlywantsto_it.4.Astronautshaventbeentothemoon_.Thelasttimewasover30yearsago.,borrowdiscoverlifemodelrecentlyspacestationspaceshuttle,borrow,discovered,life,model,recently,spacestation,spaceshuttle,你都学到了什么？,语法：justalreadyyet,Homework：完成P22-1.2.3.4.5,Activity1,TheyhaventbeentoMars.(yet)2.Manyastronautshavevisitedthespacestation.(already)3.ThespacecrafthasreachedMars.(just),TheyhaventbeentoMarsyet.,Manyastronautshavealreadyvisitedthespacestation.,ThespacecrafthasjustreachedMars.,4.Weveknownthatthereisntanylifeonthemoon.(already)5.Wehavestartedtolookatotherplanets.(just),Wevealreadyknownthatthereisntanylifeonthemoon.,Wehavejuststartedtolookatotherplanets.,6.Thespaceshuttlehasreturnedfromavisittothespacestation.(just),Thespaceshuttlehasjustreturnedfromavisittothespacestation.,Activity2,WehavejustwatchedaprogrammeonTV.TheyhaventdiscoveredlifeonMarsyet.Astronautshavealreadylandedonthemoon.,