Unit+6+Space+and+Beyond+Writing+ Presenting+ideas 高二英语外研版（2019）选择性必修第四册

Unit6Period5Writing&Presentingideas新课导入Whatdoyouknowthinkaboutlivinginspace?

课堂学习1Readthepassageandanswerthequestions.Inspace,eventhemoststraightforward,everydaytaskscanbequitedifficultforastronautswhoarespendingmonthsonboardaspacecraft.Inthiszerogravityworld,thereisnoupordown,andwhilesleepingontheceilingmightsoundlikefun,astronautsneedtobestrappedtosleepingcompartmentstoprotectthemselvesfrominjury.Althoughnotmanypeopleenjoydoinghousework,astronautsneedtofindtheself-disciplinetokeepthesmallinterioroftheirspacecraftclean;evenusingavacuumcleanertostopdustfromgettingintotheairfilters.Avacuumcleaneralsocomesinhandyforfetchingitemsthatarefloatingaroundout-of-reach!Astronautsalsoneedtokeepthemselvesclean.Todothis,theyusespecialsoapandshampoowhichdonotneedtoberinsedoffwithwater.Afterbrushingtheirteeth,theyspitintoatowel.Withnogravitytopushagainst,astronauts’bonesandmusclescanbecomeweak.Inordertostayfit,astronautshavetoexerciseonaregularbasis.Andwhilesomefooditems,suchascakesandfruitcanbeeateninmoreorlessthesamewaythattheyareonEarth,waterneedstobeaddedtomuchofthefoodthatiseateninspace.Nonetheless,amenuforahungryastronautcanstillbevariedandbalanced,oftenincludingsoup,prawnsandwiches,aswellasfruityoghurt.Andassaltandpepperwouldsimplyfloataway,astronautsareprovidedwiththeseinliquidform.Carryingouttheseeverydaytaskseffectivelyhelpstheastronautsstayhealthyandfocusontheirworkinspace—afterall,imaginewhatwouldhappeniftheycaughtacoldandstartedtosneeze!1Whatisthemainreasonwhyeverydaytasksarelesssimpleinspace?2Whyisitimportantforastronautstoexerciseregularly?3Whatelsedoyouknowaboutlifeonaspacecraft?Everydaytasksarelesssimplemainlybecauseofthezerogravityinspace.It’simportantforastronautstoexerciseregularlybecausewithnogravitytopushagainst,astronauts’bonesandmusclescanbecomeweakinspace.Exercisingregularlycanhelpthemstayfit.Whatdoesajournalentryusuallyinclude?ajournalentryWhatyoudidTimeWhatyouenjoyedmost/leastHowyoufelt2Imagineyouhavespent24hoursonboardaspacecraft.Usethenotestoorganiseyourjournalentry.Whatyoudidonthespacecraft:Howyoufelt:Whatyouenjoyedmost/least:Nowwriteyourjournalentry.Dofurtherresearchifnecessary.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________3Workinpairs.Makeimprovementstoeachother’sjournalentriesandsharethemwiththeclass.Sample:Sunday12AprilIwasluckyenoughtobechosenasavisitortothespacestation!Afteranexcitingblastintoorbit,Icouldn’twaittolookthroughthespacestationwindowsintodeepspace!YoucanimaginemydisappointmentwhenIdidn’tseemanystars.Theastronautslaughedandexplainedtomethatwewerestillinthesunlight,soofcoursewecouldn’tseemuch,becausethelightwastoobright.Shortlyafter,wepassedintoEarth’sshadow,andIlookedoutofthewindowtoseethemostamazingnumberofstars!Ifeltveryexcited!Thisisthemostunforgettableexperienceonthestation.Soonafterthat,itwastimefordinner.ThethingInoticedmostwasnotthezerogravitymeasuresforeating,butthefactthatthefooddidn’thavemuchtaste.Andmynosefeltblocked.Itturnsoutthesethingsarerelated,becauseinzerogravity,yourfaceswellsupmore.Afterthat,itwastimetogetstrappedintobed.Itwasabithardtosleepinzerogravity--myarmskeptfloatingaway,andIwokeuptoseethemrightinfrontofmyface,insteadoflyingonthebedliketheywouldonEarth.Despiteevensimplethingsbeinghardertodo,Ireallyenjoyedbeinginzerogravity,andIlovedbeingabletofloataroundinsteadofhavingtowalk.It’sapitymystayonthestationwassoshort.Itwouldhavebeengreattostaylongerandlearnmoreaboutlifeinspace!4ReadthenewsreportandfindoutwhattheVoyager1spacecrafttookintospace.Voyager1isthespacecraftmost

distantfromEarth.

Itcontainsarecord

calledSoundsofEarth,

whichhas

recordingsof

greetings,

musicand

soundsfromEarth,

aswellasmany

photographsofourworld.

Itishoped

thattherecordwillbefoundbyother

civilisationsondistantplanetsand

helpthemlearnaboutus.Answer:Voyager1tookarecordcalledSoundsofEarth,whichhasrecordingsofgreetings,musicandsoundsfromEarth,aswellasmanyphotographsofourworld.5DecidewhichthreethingsyouwouldputonadisctobesetuponthenextVoyagermissionandcompletethetable.ContentsondiscReasonsforyourchoiceABC6Workingroups.Shareyourideaswithyourgroupanddecideonafinallist.7Prepareashortpresentation.Considerthefollowing:1thestructureofyourpresentation2usefulwords,expressionsandstructures8Giveyourpresentationtothecla