高中英语 Unit 4 Astronomy the science of the stars《Section Three》同课异构课件1 新人教版必修3.ppt

unit4astronomy thescienceofthestars learningaboutlanguage answerkeyforexercise1 presence violence confidence difference patience uncertain unfair unpaid unlike unkind discoveringusefulwordsandexpressions cultural global universal agricultural mathematical artist physicist chemist biologist scientist cacb answerkeyforexercise2 answerkeyforexercise3 fundamental astronomy gavebirthto existed asaresult atoms prevents from puzzle answerkeyforexercise4 violentangryrudeshockedexcitedcrazy patientgentlerelaxingkindeasy goingcalm 主语从句 whowillwinthematchisstillunknown iwanttoknowwhathehastoldyou thefactisthatwehavelostthegame thenewsthatwewonthegameisexciting 主语从句 宾语从句 表语从句 名词性从句的作用相当于名词 因此主语从句 表语从句 宾语从句和同位语从句分别作主句的主语 表语 宾语和同位语 同位语从句 nounclauses 名词性从句 subjectclause 主语从句 appositiveclause 同位语从句 objectclause 宾语从句 predicativeclause 表语从句 isthemoonaplanet thisquestionis ifstudentsaretoshowthattheyunderstandthenatureof somescientiststhinkthattheearth themoonbecausethemooncirclesourplanet othersbelievethatthemoon beforetheearthwasformed theythinkthatearlierintimeittravelledthroughspaceasasmallplanetwhichwascaughtbytheearth sgravity itgoesaroundourplanet theevidenceforthistheoryisthatthe thatmakeuptherocksonthemoonseemtobedifferentfromthoseonearth whatisclearisthatthemoonissmallerthantheearthandthis it escapingfromtheearth althoughitsoriginmaystillbea themooncanneverbeanythingmorethanasatelliteoftheearth fundamental astronomy gavebirthto existed asaresult atoms prevents from puzzle isthemoonaplanet thisquestionis ifstudentsaretoshowthattheyunderstandthenatureof somescientiststhinkthattheearth themoonbecausethemooncirclesourplanet othersbelievethatthemoon beforetheearthwasformed theythinkthatearlierintimeittravelledthroughspaceasasmallplanetwhichwascaughtbytheearth sgravity itgoesaroundourplanet theevidenceforthistheoryisthatthe thatmakeuptherocksonthemoonseemtobedifferentfromthoseonearth whatisclearisthatthemoonissmallerthantheearthandthis it escapingfromtheearth althoughitsoriginmaystillbea themooncanneverbeanythingmorethanasatelliteoftheearth fundamental astronomy gavebirthto existed asaresult atoms prevents from puzzle o o o o p s p 主语从句 做主语用的名词性从句 因其在复合句中做主语 又称主语从句 引导主语从句的有连词that whether 连接代词who what which 连接副词when where how why等 1 从属连词 that whether等 that引导主语从句只起引导作用 本身无实际意义 在主语从句中不充当任何成分 但不能省略 thatpeoplecutdowntoomanytreesdestroyedthebalanceofnature whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved itwasnotclearwhetherthesolidshapewouldlastornot subject formedsubject whetherthesolidshapewouldlastornotwasnotclear real 引导主语从句在句首只能用whether 有it作形式主语的whether if都可以 conclusion if if 注意 由that引导的主语从句有时为了使句子结构平衡 避免 头重脚轻 常用it作形式主语 而把从句放在后面 例如 1 thathewillrefusethispieceofadviceisimpossible 2 thattheyshouldlikeeachotherisnatural it为形式主语 itisnaturalthattheyshouldlikeeachother itisimpossiblethathewillrefusethispieceofadvice 这样就构成了下面一些常用句型 1 itis n 从句itisapity shamethat 遗憾的是 itisasurprisethat 令人惊奇的是 itisafactthat 是事实itiscommonknowledgethat 是常识 很遗憾 welostthematch 这是事实 hecheatedintheexam itisapitythat itisafactthat 2 itis adj 从句it scertainthat 肯定 itispossiblethat 很可能 itisunlikelythat 不可能 itisobviousthat 很明显 itisnecessary important natural that 很可能 shewillcomebacktomorrow 很明显 thismeasureiseffective should do itispossiblethat itisobviousthat 3 it 不及物动词 从句ithappenedthat 碰巧 itoccurredtomethat 我突然想起 刚好 icameintotheofficeatthattime 我突然想起 iforgettosenttheletter ithappenedthat itoccurredtomethat 4 it be 过去分词 从句itissaidthat 据说 itisknowntoallthat 众所周知 itisreportedthat 据报道 itisbelievedthat 据信 人们相信 itissuggestedthat should do 建议 itmustbeadmittedthat 必须承认 itcannotbedeniedthat 不可否认 itmustbepointedoutthat 需指出的是 据报道 20peoplewerekilledintheaccident 建议 weshouldeatmorevegetableanddomoreexercise itisreportedthat itissuggestedthat theyshouldlikeeachotherisnatural thattheyshouldlikeeachotherisnatural itisnaturalthattheyshouldlikeeachother ifmaryreallyheardhimisreallydoubtful itwasdoubtfulifmaryreallyheardhim torfquestions 2 连接代词who what which whatever whichever whoever whatmanyscientistsbelieveisthatthecontinuedpresenceofwater whowilltakepartinthemeetinghasnotbeendecided whoeverbreaksthelawwillbepunished whichstudentwillwinthefirstisuncertain 3 连接副词when where how why等 whytheysuddenlydisappearedstillremainsamystery whentheywillsetoffisnotdecided wheresheisfromisunknown howwewillpaintthehousehasnotbeendecided completethesentencesusingwhat whether where when who why howorthat 1 isneededforsuccess isyourhardwork 3 wewillgotomorrow hasn tbeendecidedyet 2 theywillarrive hasbeentoldtotheteacher 4 canjoininthesportmeet isdecidedbytheteacher what when how where whether who 5 itwillrainornot isnotclear 7 theearthisasolidball isknowntousall whether that 6 theearthisbecomingwarm isagoodtopicforresearch why 主语从句作主语时 谓语动词一般用单数形式 conclusion 用that whether if where how when why who what which howmuch etc 来连接主语从句 summary 3 引导主语从句在句首只能用whether 有it作形式主语的whether if都可以 2 that在主语从句中不能省略 4 有时为了使句子结构平衡 避免 头重脚轻 常用it作形式主语 而把从句放在后面 4种句型 5 主语从句作主语时 谓语动词一般用单数形式 2 theycansolvethequestionisstillunknown a ifb whichc whetherd what 3 hesaidatthemeetingastonishedeverybody a whyb whatc thatd who 4 isafactthatenglishisacceptedasaninternationallanguage a thereb thisc thatd it 1 weneedmorepracticeisquiteobvious a whatb thatc whend pickuponenumberandfinishthetaskinit thenyoucangetsomepoints gametime correctornot whenthemeetingwillbeheldhaven tbeenknownyet beheldhasn tbeenknownyet payattention 主语从句的谓语用单数形式 10 thecatdo made whatthecatdidmadethebabycry what cry makeasentence 30 1 thequestionis thefilmisworthseeing 2 weshallattendthemeetinghasn tbeendecidedyet 用whether if填空 whether whether 10 translatethesentence 他们很需要帮助 isquiteclear thattheyarebadlyinneedofhelp 20 talkabout theuseofcellphone whattheyaretalkingaboutistheuseofcellphone makeasentence 30 ifwewillhaveameetinghasn tbeendecidedyet correctornot whetherwewill decidedyet payattention 放在名词性从句句首 表示 是否 只能用whether 不能用if 10 translatethesentence itisknowntous 马克 吐温怎样成为一位伟大的作家 howmarktwainbecameagreatwriter 20 report getthehighestpoints