Unit6SpaceandBeyondStartingoutUnderstandingideas課件高二下學(xué)期英語選擇性必修四冊

Unit6Period1Startingout&Understandingideas課堂學(xué)習(xí)Watchthevideoandanswerthequestions.1HowwastheSunformed?2WherearetheAsteroidBeltandtheKuiperBeltinthesolarsystem?3Whatelsedoyouknowaboutthesolarsystem?Sharewhatyouknowwiththeclass.1Startingout1HowwastheSunformed?2WherearetheAsteroidBeltandtheKuiperBeltinthesolarsystem?3Whatelsedoyouknowaboutthesolarsystem?Sharewhatyouknowwiththeclass.First,enoughgasanddustpulledtogethertomakeadiscwheretheplanetsformed.Then,buildingpressureheatedupthecenterofthedisctoonemilliondegrees,andanuclearreactionbegan,whichformedtheSun.TheAsteroidBeltliesbetweenMarsandJupiter.TheKuiperBeltexistsjustbeyondtheorbitofNeptune.Lookatthetimelineandanswerthequestions.21Whichofthesespacecrafthadahumanonboardwhenlaunched?2WhataretherecenteventsinChina'sspaceprogramme?Addthemtothetimeline.3WhatdoyouknowaboutChina'sfutureplansforspaceexploration?1Whichofthesespacecrafthadahumanonboardwhenlaunched?2WhataretherecenteventsinChina'sspaceprogramme?Addthemtothetimeline.3WhatdoyouknowaboutChina'sfutureplansforspaceexploration?ShenzhouV.1Completethequizandfindouthowmuchyouknowaboutspaceexploration.Trytoguessifyouarenotsureoftheanswers.Understandingideas1ThefirstsatellitewaslaunchedbytheUSSRin_______.

a1945b1962

c19572Thefirstpersoninspacewas_______.

aRobertCrippen

bYuriGagarin

cNeilArmstrong3Thefirstpersontowalkinspacewas_______.

aAlexeiLeonovbWilliamMcCool

cYangLiwei4ThefirstspacestationwasSalyut1,whichwaslaunchedby_______.

atheUSAbtheUSSRctheEuropeanSpaceAgency5Thefirstspacecrafttoleavethesolarsystemwas_______.

a

Vostok1b

Discovery

c

Voyager12Lookatthetitleofthepassageandthepicture.Predictwhatthepassageisabout.Nowreadthepassageandcheckyourprediction.3

Tragically,sheneverreturnedtoherclassroomastheshuttleexplodedjustoveraminuteaftertakingoffinFlorida,andallsevenastronautsonboardwerekilled.Theworldwentintoshock,mostpeoplehavingassumedthatthisspaceflightwouldbenomoredangerousthantravellinginanaeroplane.Howwrongtheyhadbeen!Instantaneously,excitementandoptimismturnedintoterrorandfailure.Itwasthemostdisastrousspaceaccidentever,anditcastashadowonpeople'shearts.4"Icanrememberthatdaysoclearly,watchingthetake-offonTVatschool,"saidonestudent."TherewasanordinaryteacherontheChallenger,andwewereallveryexcited.Wedidn'thavemuchpatiencewaitingforthelaunch.Wehadseenthesmilingfacesoftheastronautswavingtotheworldastheysteppedintotheshuttle.Then,littlemorethanaminuteaftertake-off,wesawastrangeredandorangelightinthesky,followedbyacloudofwhitesmoke.TheChallengerhadexplodedinmid-airandweallstartedscreaming."Readthepassageanddivideitintoparts,thensummarisethemainideaofeachpart.Part1Paragraphs1~2ThattheChallengersuccessfullylaunchedhadapositiveeffectonpeople.Part2Paragraphs3~5ThedisasteroftheChallengercastashadowonspaceexploration.

Part3Paragraph6Thespaceprogramwillcontinuedespitethedisasterof

theChallenger.Choosetheideasmentionedinthepassageandfindtheevidence.31Peoplethoughtspacetravelwasnolongerdangerous.2Christawouldhaveinspiredlotsofpeopleifshehadn’tlostherlifeonboardtheChallenger.3Peopleweredeterminedtocontinuewiththespaceprogrammeafterthedisaster.4Thedisasterprovedweshoulduserobotstoexplorespaceinsteadofpeople.5Theshuttlewasnotreliableandshouldnothavebeenused.4Answers:128January19862sevenastronautsSheplannedtogivetwo15-minutelessonsfromorbit:thefirsttodemonstratethecontrolsofthespacecraftandexplainhowgravityworked,andthesecondtodescribetheobjectivesoftheChallengerprogramme.DiscoveryfollowedtheChallenger,andwaslaunchedon29September1988.NowtalkaboutwhatyoucanlearnfromtheChallengerdisaster.1Whatwerepeople’sfeelingsbeforeandaftertheChallengerdisaster?Findevidenceinthepassagetosupportyouranswer.2Doyouknowofanyotherdisastersthathaveoccurredwhileexploringspace?Shareonewiththeclass.Whydoyouthinkpeoplecontinuetoexplorespacedespitetherisks?3Wouldyouliketogointospace?Giveyourreasons.4Whatlanguageinthepassagecouldyouusetodescribeothereventsinspaceexploration?Think&Share1Whatwerepeople’sfeelingsbeforeandaftertheChallengerdisaster?Findevidenceinthepassagetosupportyouranswer.2Doyouknowofanyotherdisastersthathaveoccurredwhileexploringspace?Shareonewiththeclass.Whydoyouthinkpeoplecontinuetoexplorespacedespitetherisks?3Wouldyouliketogointospace?Giveyourreasons.4Whatlanguageinthepassagecouldyouusetodescribeothereventsinspaceexploration?BeforetheChallengerdisaster,peoplefeltoptimisticandwereveryexcitedtowatchthetake-offonTV.Theybecameshockedandscaredafterthedisaster.Languagepoints2.Millionswatchedthatfirstlunarlandingonblackandwhitetelevisionsets,theirheartsintheirmouths,awareofhowarduousandhazardousanundertakingitwas,andofthemanythingsthatcouldgowrong.

數(shù)百萬人在黑白電視機(jī)前觀看了首次登月，為此激動得心都跳到了嗓子眼兒，因為大家都明白這是一項多么艱巨、多么危險的任務(wù)，許多地方都可能出錯。

本句的主干部分是Millionswatchedthatfirstlunarlandingonblackandwhitetelevisionsets，theirheartsintheirmouths是獨(dú)立主格結(jié)構(gòu)，awareofhowarduousandhazardousanundertakingitwas,andofthemanythingsthatcouldgowrong這部分是形容詞短語作狀語，來說明主語的狀態(tài)。and是表示并列關(guān)系，而且后面省略了形容詞aware。7.Theworldwentintoshock,mostpeoplehavingassumedthatthisspaceflightwouldbenomoredangerousthantravellinginanaeroplane.

全世界都震驚了，大多數(shù)人本以為這次太空航行不會比乘飛機(jī)旅行更加危險。本句中的mostpeoplehavingassumedthat..為獨(dú)立主格結(jié)構(gòu)，獨(dú)立主格結(jié)構(gòu)在句子中常用來表示時間、原因、條件、伴隨的動作或情況等。

e.g.Themeetingbeingover,allofuswenthome.

開完會后，我們都回家了。

Weatherpermitting,wewillgooutsidetomorrow.

如果天氣允許的話，我們明天就出去。8.Itwasthemostdisastrousspaceaccidentever,anditcastashadowonpeople'shearts.

這是有史以來最慘烈的航天事故，給人們心里蒙上了陰影。castashadowon/over...給……蒙上陰影；在……上投下影子e.g.Theship'ssailcastashadowonthewater.船帆在水面上投下一片影子。10.ThesacrificeoftheChallenger

callstous,remindingusthat

wemustcontinuetoreachforthestars,nomatterhowdistanttheymightseem.“挑戰(zhàn)者”號的犧牲召喚著、提醒著我們，不管星空看起來多么遙不可及，我們都要持之以恒地去探索。

(1)callto號召；向……喊叫

e.g.Concludewithaquoteorcalltoaction.

以一個引證結(jié)束，或者號召大家