沪教牛津版英语八年级下册Unit7 Listening Speaking（版二）

主题范畴：人与自然、人与社会主题群：宇宙探索，历史、社会与文化；科学与技术。子主题：地球与宇宙探秘，航天事业发展；对世界、国家、人民和社会进步有突出贡献的人物；科学技术与工程，人类发明与创新。Section1Listeningandspeakingbeef[bi:f]牛肉seafood[ˈsi:fu:d]海鲜stick

[stɪk]粘

floataround

[fləʊt]四处漂浮

hit

[hɪt]碰撞gym

[dʒɪm]健身房dailyroutine[ˈdeɪli][ru:ˈti:n]日常生活muscle[ˈmʌsl]

肌肉SummaryHomeworkReviewLeadinHomeworkExploreApplyProduceOnEarthInspaceEatingIcancookathomeorgoto

.Theastronautsdon’tcooktheirownfoodin

.Allthefoodcomesfrom

.However,thereare

toeat.WorkingMyparentsworkin

.Mostofthetime,theastronauts

thespacestation.Sometimestheastronautsworkoutside.Becauseof

,simplethingstakelongertodo.Scanning:FillinthetableWhatisitliketoliveinspace?HowisitdifferentfromyourlifeonEarth?Discussingroups.restaurantspace(station)manytypesoffoodtheEarthoffices/factoriesthelowgravityworkinsideReviewLeadinHomeworkExploreApplyProduceOnEarthInspaceSleepingWhenit'stimetosleep,I

myteethandgoto

.Astronautssleepin

.Beforetheysleep,theyhaveto.Exercising1.Iwalktoschool,soIgetlotsof

.2.Icanalsogoanywhereandanytimetoexercise.Theastronautsdon'thavealotofspacetomove.However,thereis

onthespacestationtohelpthem

.Theequipmentisverydifferent.Scanning:FillinthetablebrushbedsleepingbagsstickthemtothewallasmallgymstayfitexerciseReviewLeadinHomeworkExploreApplyProduce

Pre-listeningLookatthevideoandthink:1.Whatisthevideoabout？

Spacejunk.ReviewExploreApplySummarizeProduceLeadin

Pre-listening2.Whatdoyouwanttoknowaboutspacejunk?①Whatisspacejunk?​②Whatproblemscanspacejunkcause?​③Howtosolvetheproblem?ReviewExploreApplySummarizeProduceLeadinWhile-listening1.Listenandcompletethenotes.Whatisspacejunk?•

Partsofold(1)____________.•Thingsdroppedby(2)_______________duringtheirspacewalks.rocketsastronautsReviewExploreApplySummarizeProduceLeadinWhile-listening1.Listenandcompletethenotes.Whatproblemscanspacejunkcause?•

Smallspacejunkcan(3)_______________aspacecraftinto(4)_______________.breakpiecesReviewExploreApplySummarizeProduceLeadinWhile-listening1.Listenandcompletethenotes.Howtosolvetheproblem?•

Different(5)_______________needtoworktogethertofindasolution(解决方案)soon.countriesReviewExploreApplySummarizeProduceLeadinWhile-listeningListenagainandchoosethecorrectanswers.(1)Whichofthefollowingisspacejunk?a.Unwantedthingsinspace.b.Plasticbags.c.Workingsatellites.(2)Whyisspacejunkdangerousforaspacecraft?a.Becauseitmovesveryfast.b.Becauseitisverybig.c.Becauseitisveryhard.(3)Whyarescientistsworriedaboutspacejunk?a.Peoplecreatemorespacejunkeveryyear.b.Spacejunkismakingspacetravelmoredangerous.c.Itisveryexpensivetocleanupspacejunk.ReviewExploreApplySummarizeProduceLeadinWhile-listeningReviewExploreApplySummarizeProduceLeadinDetailedlistening:Listenagainandcompletethenotes.While-listeningSpacejunkDefinitionunwantedobjectsinspace,(e.g.partsofold__________)Typesofspacejunksatellitesthatstoppedworkingandcouldn’tbe

backthingsdroppedbyastronautsduringthespacewalk(e.g.cameras,__________,toolbags)Dangersofspacejunkcan__________aspacecraftorsatellitecreatesmorejunkinorbit.canmakespacemissionsvery__________,andevenmakespacetravel__________.Spacejunkrocketsbrought

glovesdestroydangerousimpossibleReviewExploreApplySummarizeProduceLeadinPost-listening(Readaudioscript)Therearetensofthousandsofman-madeobjectsinorbitaroundtheEarth.Manyofthemareusefulthings,likespacestationsandweathersatellites.However,peoplehaveleftlotsofunwantedobjectsinspacetoo,suchaspartsofoldrockets.Theseobjectsareknownasspacejunk.Sincethe1950s,peoplehavesentover10,000satellitesintospace.Manyofthesesatelliteshavestoppedworking,buttheyarestillinorbitbecauseitistooexpensivetobringthembacktotheEarth.Astronautshavealsodroppedthingsduringtheirspacewalks,suchascameras,glovesandtoolbags.TheseobjectscontinuetoorbittheEarthasspacejunk.Spacejunkisabigproblem,anditisgettingworse.Everyyear,wesendmoreandmorethingsintoorbit,andthismeansmoreandmorespacejunkinorbittoo.Mostpiecesofspacejunkareverysmall,buttheycanstillbeverydangerous.Objectsinorbit,suchassatellitesandspacecraft,arealltravellingvery,veryfast.Thismeansasmallpieceofspacejunkcandestroyaspacecraftorsatellite.Whenthishappens,thespacecraftorsatelliteisbrokenupintohundredsofpieces,andtherewillbeevenmorespacejunkinorbit.Scientistsareveryworriedaboutspacejunkbecauseitcanmakespacemissionsverydangerous.Ifthereistoomuchspacejunkinorbit,itwillbecomeimpossibletotravelintospace.Countriesaroundtheworldneedtoworktogethertosolvethisdifficultproblem.ReviewExploreApplySummarizeProduceLeadinRetellthelectureaccordingtothechart.SpacejunkLotsofunwantedobjectsinspacePartsofoldrocketsBrokensatellitesThingsdroppedbyastronautsduringtheirspacewalksCauseHitsatellitesandspacecraftinorbitMakespacemissionsdangerousPost-listeningReviewExploreApplySummarizeProduceLeadinLookandsay:

whataretheydoing?

Theyareexploringspace.ReviewExploreApplySummarizeProduceLeadinLookandsay:

whatcanyouseeinthepictures?TheyareZhurongMarsrover

anditslandingplatform(fromChina'sTianwen-1Marsmission).祝融号火星车着陆平台MarsItisCuriosityMartrover.好奇号火星车ReviewExploreApplySummarizeProduceLeadinListenandthink:Whataretheytalkingabout?

They'retalkingaboutgoingtoMars.S1:I'mgoingtovisitMarsS2:That'simpossible!Youmustbejoking.S1:No,I'mnotjoking.It'llbepossibletotraveltoMarsinthenearfuture!S2:Sayswho?S1:Thescientists.Theysaythatwe'vemadegreatprogressinMarsexploration.Soit'sverylikelythatwe'llbeabletoflytherebythe2050s.S2:Istillthinkit'sunlikely.ReviewExploreApplySummarizeProduceLeadinLet’sdebate!1.Stateyouropinion.Provide