八年级上 Units1-2复习课件.pptx

RevisionofUnits1-2inGrade8Book1,唐江红旗学校蔡雪,LittleGame,Speakthewordquickly,Task1Trytoguess,Task2Usefulexpressions,Task3Somekeypoints(some-&any-,frequencyadverbs,Howoften),Task4Finishexercises,Task5ReadingComprehension,Task1Trytoguess,Wheredidshe/he/theygoonvacation?,stayedathome,wenttosummercamp,wenttoNewYorkCity,wenttothebeach,visitedmuseum,Task2Readconversationsof2d(Page2,10)&sentencesinGrammarfocus(Page3,11)for3minutesFillintheblanks,Rick:Hi,Helen.Longtimenosee.Helen:Hi,Rick.Yes,Iwasonvacationlastmonth.Rick:Oh,didyougoanywhereinteresting?Helen:Yes,IwenttoGuizhouwithmyfamily.Rick:Wow!DidyouseeHuangguoshuWaterfall?Helen:Yes,Idid.Itwaswonderful.Wetookquiteafewphotosthere.Whataboutyou?Didyoudoanythingspeciallastmonth?Rick:Notreally.Ijuststayedathomemostofthetimetoreadandrelax.,Fillintheblanks.,度假_,好久没见了_,一些特殊的事_,相当多_,大部分时间_,上个月_,有趣的地方_,Jack:Hi,Claire,areyoufreenextweek?Claire:Hmmnextweekisquitefullforme,Jack.Jack:Really?Howcome?Claire:Ihavedanceandpianolessons.Jack:Whatkindofdanceareyoulearning?Claire:Oh,swingdance.Itsfun!Ihaveclassonceaweek,everyMonday.Jack:Howoftendoyouhavepianolessons?Claire:Twiceaweek,onWednesdayandFriday.Jack:Well,howaboutTuesday?Claire:Oh,Ihavetoplaytenniswithmyfriends.,多久一次_,一周两次_,哪种_,你下周有空吗_,周二怎么样_,Fillintheblanks.,Task3,somethinganything,Ihave_totellyou.Shecouldntsee_inthedarkroom.Wouldyoulike_toeat?,Isthere_intodaysnewspaper?Yes,thereis.Letmetellyou.A.anythinginterestingB.somethinginterestingC.interestinganythingD.interestingsomething,something,anything,something,always,usually,often,sometimes,hardlyever,never,Frequencyadverbs（频度副词),everyday,onceaweek,twiceamonth,threetimesamonth,onetothreetimesaweek,Howoften,HowoftendoyouhaveanEnglishclass?,1.Mybrother_(go)tostudyinAmericalastyear.2.Kateofteneats_food,sosheisingood_(health).3.Myparentsdontwantme_(play)computergames.4.Wheredidtheyd_togoforvacation?,Task4Finishexercises,went,healthy,health,toplay,ecide,1.Theboyis_,sohecangotoschoolnow.A.enougholdB.toooldC.oldenoughD.youngenough2.Boysandgirls,didyouenjoy_intheparkyesterday?A.youB.yoursC.yourselvesD,youself3.IfyougotovisitLondon,dontforgettobringyour_becauseitrainsalot.A.bicycleB.umbrellaC.diaryD.magazine4.Thelittledoglikestostaywithme.WhenItakeawalk,it_followsme.A.alwaysB.neverC.hardlyeverD.sometimes5._doyouhaveaswingdancelessons?Onceaweek.A.HowlongB.HowsoonC.HowoftenD.Howfar6.Hemustbea_.Becauseheworksinthehospital.A.writerB.traderC.scientistD.dentist,Task5ReadingComprehension,ReadingSkills1.Readthequestionsbeforereading2.Underlinethekeywordsineachquestion3.Readcarefullyandunderlinethecluesforeachquestion,()1.Whatisthechallengeindesigningthefour-legrobots?A.CarryingheavythingsB.RunningfastC.BeinglightenoughD.Providingenoughpower()2.Theunderlinewordcheetahmustbeakindof_.A.birdsintheskyB.plantsonlandC.animalsonlandD.fishintheocean()3.Fromthepassage,weknowthatMITsrobot_.A.cancarryheavythingsB.canjump30cmhighC.ismadeofKevlarD.isstillveryheavy()4.Whatsthemainideaofthispassage?A.Scientistshavebeenworkingonfour-legrobots.B.AnewrobothasbeendesignedbyengineersatMITC.TherobotscanhelpusdodifficultanddangerousjobsD.Thedifficultyindesigningthenewrobot.,Scientistshavebeenexperimentingwithfour-legrobotsforyears.Theywanttouserobotstocarryheavythingsoverdifficultareasofland.However,providingenoughpowerforthosekindsofrobotshasbeenaproblem.Now,thathaschanged.EngineersatMIThavedesigned(设计)arunningrobotthatrunsonbatteries（电池）.Scientistssaytheirrobotswillsoonbeabletorunlikecheetah,thefastestlandanimalonEarth.Onedifficultyindesigningthesetypesofrobotscontinuestobeprovidingpower.Thesemachinesarestillquiteheavy.Andtheyneedalotofpowertorun.Butthecheetah-likerobotdesignedbyengineersatMITislightenoughtorunonbatteries.Therobotweighsjust30kilograms.Therobotneedsonlyabout700wattsofpowertorun.Thisrobotcanactuallyjump40cmhighanditcanlandverysafelyandthenitcanrun.Therobotslimbs(肢)andotherpartsweremadeinathreedimensional-or3-Dprinter.Astrong,light-weightmaterialcalledKevlarisusedtomaketherobotspartsstronger.ButthedevelopmentofMITsrobotisnotwithoutitsownsetofproblems.Therobotslimbsmustsupportheavyforce,andsometimestheybreak.Scientistssaythenewtechnologiesusedonthisrobotmaybeusedinthemakingoflimbsfordisabledpeopleandothermachines.Someofthosemachinesmayhelpsavehumansfromperformingdifficultanddangerousjobs.,Summary&Homework,Unit