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Unit4Spaceexploration
SectionA
ReadingandThinkingMENULeading-inPart1Part2Part3While-classAfter-classPart.1Leading-inLeadinginSpace:TheFinalFrontierLeadingin观察题目和文章里的图片，讨论以下问题：1.Whatdoyouthinkarethemainreasonsforspaceexploration？2.Whatdoyouexpecttoreadaboutinthistext？Leadingin1.Themainreasonsforspaceexplorationaretofurtherhumanexplorationandtogatherknowledgeoftheuniverse.2.Iexpecttoreadaboutthehistoryofspacetravel,thereasonswhyweexplorespace,whatspaceexplorationhasgivenus,howwecontinuetoexplorefurtheretc.Part.2While-classWhile-classActivity1将所列的四个句子放入文本中合适的位置，使全文意思完整，逻辑合理。AAlthoughscientiststrytomakesurenothinggoeswrong,accidentscanstillhappenBTheyalsoreallywishtodiscoverotherplanetsthataresuitableenoughtosupportlifeCThefutureofspaceexplorationremainsbright.DAftermanyexperiments,theysucceededinmakingrocketsthatcouldescapeEarth'sgravity参考答案：BDACWhile-classActivity2SummarisethemainideaWhenthemainideaisnotclearlystatedinatopicsentence,youshouldreadthefullparagraphorpassagecarefullyandfindthewordsorideasthatrepeatthemselves.Theyarelikelyevidenceoftheauthorsmainidea.While-class阅读文本，然后分小组讨论每个段落的大意，完成第3题。概括大意前先思考下列问题：WhatisthetopicsentenceinParagraph1？Canyouuseyourownwordstosummarisethemainidea？IsthereatopicsentenceinParagraph2？Ifnot，whataretheimportantpointsincludedinthisparagraph?WhatIsParagraph3about？Canyoufindsomewordsthatrepeatthemselves？CanyoufindthetopicsentenceinParagraph4？Whereisit？WhatisthetopicsentenceinParagraph5？While-classParagraph1：curiousaboutspace;workhardtofindanswersParagraph2:AmericanandSovietspacemissionsmadespacetravelarealityParagraph3:continuethespaceexploration;thegreatrisksParagraph4:hasmadegreatprogress,becomingthe3rdcountrytoindependentlysendhumansintospaceParagraph5:looksbright,asmanycountriesareplanningfurthermissionsWhile-classActivity3题目：Space:TheFinalFrontier总：Para.1：Peoplehavealwaysbeencuriousaboutspace分：Para.2:AchievementsofAmericanandSovietPara.3:SpaceexplorationcontinuesinspiteofgreatrisksPara.4:China'sachievement总：Para.5:ThefutureofspaceexplorationStructureWhile-classActivity4写作手法1.Whatgenreisthepassage?Whatareitsfeatures?2.Howdoesthetextdevelop?3.Whatwritingtechniquesareusedinthisarticle?4.Wherecanyoufindthiskindofpassage?While-classl.Itisapopularsciencearticle（科普说明文）.Features：Abriefandeye-catchingtitle;Explaininggeneralconceptsinasimplifiedway;Emphasisingonmainevents;Usingquotes，metaphors（比喻），analogies（类比）toexplaindifficultorabstractscientificconcepts;Listingdataornumbers答案While-class2.Itdevelopsinchronologicalorder3.Givingexamples,usingquotesandlistingimportantevents.4.Itispresentedinmanyforms,includingbooks,films,televisiondocumentaries,magazinearticles,webpages,etc.Part.3After-classAfter-classM
isexploringspaceinthehopeoffindingoutmoreabouttheu
.However,exploringspaceisbothdangerousandchallenging.OneofthemostdangerouspartsHoweverofspaceexplorationishelpingpeopletoescapeEarth'sg
.Ifthereisamistakeduringthel
,itcanleadtoanaccidentthatkillseveryoneonb
.Gettingoutofo
andbacktoEarth'ssurfaceisalsoverydangerous.Despitetheh
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