Unit4SpaceExplorationDiscoveringUsefulStructures課件高中英語人教版2

UNIT4SPACEEXPLORATIONDiscoveringUsefulStructuresDescribespacefactsandeffortstoexplorespacePartIRevision重點詞匯:1.________________

為了；以便

2.___________vt.回收利用；再利用3.___________n.肌肉；實力；影響力

4.___________n.缺乏；短缺vt.沒有；缺乏5.___________vi.浮動；漂流；漂浮vt.使浮動；使漂流6.___________adv.否則；要不然

7.___________prep.在更遠處；超出8.___________adj.太陽的；太陽能的

9.___________

太陽系；類太陽系10.___________adj.當前的；現(xiàn)在的n.水流；電流；思潮

soasto(dosth)recycle musclelackfloatotherwisebeyondsolar thesolarsystemcurrent11.___________弄懂；弄清楚；弄明白

12.___________adj.足夠的；充足的13.flyairplanes___________________14.inspace___________________15.realisethedreamtoexplorespace_____________16.getmarried__________17.recyclesthforlateruse_________________18.duetothelackofgravity___________19.stayhealthy___________________20.keeptheirbodiesundercontrol_________figureoutsufficient開飛機在太空中實現(xiàn)探索太空的夢想結(jié)婚回收某物以備后用由于缺少引力保持健康控制他們的身體非謂語動詞

動詞不定式todo過去分詞(done)現(xiàn)在分詞/動名詞(doing)

PartIILeadinDiscussandtellthefunctionsoftodo.

1.Peoplehavealwayswantedtolearnmoreaboutspace.2.ChinawantedChang’e4toexplorethesurfaceofthefarsideofthemoon.賓語賓語補足語句法功能常跟不定式作賓語或賓補的詞語賓語want,hope,wish,offer,fail,plan,learn,pretend,refuse,manage,decide,attempt,strive,help,agree,promise,intend,prefer,wouldlike,expect,afford,ask賓語補足語tell,ask,invite,force,get,beg,allow,wish,want,like,prefer,inspire,encourage,expect,advise,permit,order,warn,causeDiscussandtellthefunctionsoftodo.

1.Youmustbeintelligentenoughtoget

arelatedcollegedegree.2.Scientistsworkhardtofindanswer.3.

Weweresurprisedtofind

thathehadleft.4.YuriGagarinbecamethefirstpersonintheworldtogointospace.5.Somescientistsweredeterminedtohelphumanrealisetheirdreamtoexplorespace.結(jié)果狀語目的狀語原因狀語

定語定語PartIIIPresentationRevisionLookatthefollowingsentencesandfocusontheitalicisedinfinitives.Inpairs,discusstheirfunctionsandmeanings.Findmoreexamplesfromtheunit.1.Itrainedforalongtimetofly

airplanesasafighterpilot.2.Asweallknow,anastronautneedstobehealthyandcalminordertoworkinspace.3.Firstofall,youmustbeintelligentenoughtogetarelatedcollegedegree.4.Scientistsweredeterminedtorealisethedreamtoexplorespace.5.On12April1961,YuriGagarinbecamethefirstpersonintheworldtogointospace.infinitiveasadverbial狀語infinitive

asadverbial狀語infinitive

asadverbial狀語infinitive

asattribute定語infinitive

asattribute定語Othersentencesfromtheunitinclude:…andscientistsworkhardtofindanswers.Theymakevehiclestocarrybravepeopleintospacetofindoutthesecretsoftheuniverse.Forexample,America’sNASAspaceagencylaunchedVoyager1on5September1977tostudydeepspace…Thesedisastersmadeeveryonesadanddisappointed,butthedesiretoexploretheuniverseneverdied.Chinabecamethethirdcountryintheworldtoindependentlysendhumansintospacein2003…adverbial

attribute;adverbial

adverbialattributeattribute6.…followedbythevehicleJadeRabbitbeingsenttothemoontostudyitssurface.7.…ChinalaunchedtheTiangong2spacelabintospaceandTianzhou1todockwithit.

8.ThissignalledonestepfurtherinChina’splantoestablishaspacestationinthefuture.

9.…ChinahassentChang’e4toexplorethesurfaceofthefarsideofthemoontomakemeasurementsandobservations.

10.…andChinaallhaveplanstofurtherstudyandexploreplanetslikeMarsandJupiter.adverbialadverbialattributeattributeadverbial例句語法功能具體用法1.Ihavenodesiretowrite.2.TheconferencetotakeplaceinShanghainextweekisofgreatimportance.3.Therewasnothingtobedone.4.Ihavealottosay.5.TheSmithswerethefirsttoarrive.6.Ihavenoideawheretogo.不定式在句中用作_____1.可修飾：__________2.多置于被修飾詞____________________3.其后接不定式作定語的名詞有：__________________________________________________定語名詞或代詞之后，用作后置定語desire,conference,nothing,thefirst,idea動詞不定式例句語法功能具體用法1.Scientistsworkhardtofindoutthesecretsoftheuniverse.2.Asweallknow,anastronautneedstobehealthyandcalminordertoworkinspace.3.Youmustbeintelligentenoughtogetarelatedcollegedegree.4.I’mafraidthewholeprocessistoocomplicatedtoexplaininafewwords.5.Weweresurprisedtofindthatthebusalreadyleft.不定式在句中用作_____1.可表示：__________________2.常見結(jié)構(gòu)有：________________________________________________________________________________狀語目的、結(jié)果或原因inorderto;enoughtodo;too...to;adj.

+todosth.一、不定式作定語(一般置于被修飾詞之后作后置定語)1.有些名詞后面常接不定式作定語，如ability,chance,desire,decision,effort,intention,need,opportunity,plan,promise,pressure,right,time,way等。如：Aftermonthsofunemployment,allheaskedforwasachancetoearnhisbread.2.被only,last,next以及序數(shù)詞或形容詞最高級修飾的名詞常用不定式作定語。如：Theboywastheonlyonetohavesurvivedthecrash.二、不定式作狀語(可以表示目的、結(jié)果或原因等)1.“adj.

+todosth.”結(jié)構(gòu)中，不定式常作原因狀語，此類形容詞有happy,sorry,glad,excited,disappointed,shocked,等。如：Theyweregladtoseetheirsontakengoodcareofinthekindergarten.2.不定式還常用在too...to結(jié)構(gòu)、enough及only等后面作狀語，表示結(jié)果。如：Theboxistoosmalltoholdallthesethings．Iwalkedallthewayfromhometothelibrary,onlytofinditclosed.3.不定式作目的狀語既可放在句首也可放在句尾，可用于inorderto、soasto等結(jié)構(gòu)中。如：Hehadtoearnenoughmoneytosupportthefamily.

InordertomasterEnglish,youmustspendmucheffortonit.

Todogoodwork,onemusthavethepropertools.【語境應(yīng)用】單項選擇。1)

Itremains_____whetherJimwillbefitenoughtoplayinthefinals.

A.seen

B.tobeseen

C.seeing

D.tosee2)

_____theprojectasplanned,we’llhavetoworktwomorehoursaday.

A.Completing

B.Complete

C.Completed

D.Tocomplete3)

Ifthere’salotofwork_____,I’mhappytojustkeeponuntilitisfinished.

A.todo

B.tobedoing

C.done

D.doingPartIVPracticeRevision1.Toeatone,youhavetodecidewhether_________(bite)asmallholeinitfirst,releasingthestreamandriskingaspill(溢出),ortoputthewholedumplinginyourmouth,lettingthehotsoupexplodeonyourtongue.(2023新課標Ⅰ卷)tobeliftedtobite

2.Nanxiangaside,thebestxiaolongbaohaveafineskin,

allowingthem___________(lift)outofthesteamerbasket

withouttearingorspillinganyoftheircontents.

(2023新課標Ⅰ卷)3.Shecalledforaction____________(address)thestrugglesofpeoplearoundtheworldfacing“toolittlewaterortoodirtywater”.(2023北京卷)4.Mary’ssister,FrancesToddWallace,oftencameover____________(plant)flowersinthefrontyard.

(2021浙江6月卷)toplant

5.Thefindingsshowacriticalneed_____________(invest)

indisasterprevention.(2021北京卷)toinvesttoaddressRewritethesentencesusinginfinitivesor“inorderto/soasto+do”.Changetheitalicizedpartsaccordingly.1.In2003YuriMalenchenkobecamethefirstpersonwhogotmarriedinspace.

In2003YuriMalenchenkobecamethefirstpersontogetmarriedinspace.2.Inspace,astronautscollectalldirtywatersothatitcanberecycledforlateruse.Inspace,astronautscollectalldirtywatersoastorecycle

itforlateruse.n.缺乏；短缺vt.沒有；缺乏3.Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehavedreamtthatonedaytheywouldflyintospace.Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehavethedreamtoflyintospaceoneday.4.Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeveryday,whichwillhelpthemstayhealthy.n.肌肉；實力；影響力Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeverydayto/inorderto/soastostayhealthy.5.Astronautshavetousetapetostickeverythingdownwhileworkinginspacebecauseeverythingwouldfloatoff

otherwise.Astronautshavetousetapetostickeverythingdownwhileworkinginspaceto/inorderto/soastokeepeverythingfromfloatingoff.6.Duringaspacewalk,astronautshavetomoveslowlysothattheycankeeptheirbodiesundercontrol.Duringaspacewalk,astronautshavetomoveslowlyto/inorderto/soastokeeptheirbodiesundercontrol.adv.否則；要不然Completethepassagewiththecorrectformsoftheverbsinbrackets.Sendingpeopletootherplanetsorevenbeyondthesolarsystemisnotaneasygoal

_________(achieve).Oneoftheproblemsisthatthetripwouldtakeaverylongtime.Forexample,_________

(use)currenttechnology,itwouldtakeo