Unit4SpaceExplorationDiscoveringUsefulStructures课件高中英语人教版2

UNIT4SPACEEXPLORATIONDiscoveringUsefulStructuresDescribespacefactsandeffortstoexplorespacePartIRevision重点词汇:1.________________

为了；以便

2.___________vt.回收利用；再利用3.___________n.肌肉；实力；影响力

4.___________n.缺乏；短缺vt.没有；缺乏5.___________vi.浮动；漂流；漂浮vt.使浮动；使漂流6.___________adv.否则；要不然

7.___________prep.在更远处；超出8.___________adj.太阳的；太阳能的

9.___________

太阳系；类太阳系10.___________adj.当前的；现在的n.水流；电流；思潮

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

12.___________adj.足够的；充足的13.flyairplanes___________________14.inspace___________________15.realisethedreamtoexplorespace_____________16.getmarried__________17.recyclesthforlateruse_________________18.duetothelackofgravity___________19.stayhealthy___________________20.keeptheirbodiesundercontrol_________figureoutsufficient开飞机在太空中实现探索太空的梦想结婚回收某物以备后用由于缺少引力保持健康控制他们的身体非谓语动词

动词不定式todo过去分词(done)现在分词/动名词(doing)

PartIILeadinDiscussandtellthefunctionsoftodo.

1.Peoplehavealwayswantedtolearnmoreaboutspace.2.ChinawantedChang’e4toexplorethesurfaceofthefarsideofthemoon.宾语宾语补足语句法功能常跟不定式作宾语或宾补的词语宾语want,hope,wish,offer,fail,plan,learn,pretend,refuse,manage,decide,attempt,strive,help,agree,promise,intend,prefer,wouldlike,expect,afford,ask宾语补足语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.结果状语目的状语原因状语

定语定语PartIIIPresentationRevisionLookatthefollowingsentencesandfocusontheitalicisedinfinitives.Inpairs,discusstheirfunctionsandmeanings.Findmoreexamplesfromtheunit.1.Itrainedforalongtimetofly

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

asadverbial状语infinitive

asadverbial状语infinitive

asattribute定语infinitive

asattribute定语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例句语法功能具体用法1.Ihavenodesiretowrite.2.TheconferencetotakeplaceinShanghainextweekisofgreatimportance.3.Therewasnothingtobedone.4.Ihavealottosay.5.TheSmithswerethefirsttoarrive.6.Ihavenoideawheretogo.不定式在句中用作_____1.可修饰：__________2.多置于被修饰词____________________3.其后接不定式作定语的名词有：__________________________________________________定语名词或代词之后，用作后置定语desire,conference,nothing,thefirst,idea动词不定式例句语法功能具体用法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.常见结构有：________________________________________________________________________________状语目的、结果或原因inorderto;enoughtodo;too...to;adj.

+todosth.一、不定式作定语(一般置于被修饰词之后作后置定语)1.有些名词后面常接不定式作定语，如ability,chance,desire,decision,effort,intention,need,opportunity,plan,promise,pressure,right,time,way等。如：Aftermonthsofunemployment,allheaskedforwasachancetoearnhisbread.2.被only,last,next以及序数词或形容词最高级修饰的名词常用不定式作定语。如：Theboywastheonlyonetohavesurvivedthecrash.二、不定式作状语(可以表示目的、结果或原因等)1.“adj.

+todosth.”结构中，不定式常作原因状语，此类形容词有happy,sorry,glad,excited,disappointed,shocked,等。如：Theyweregladtoseetheirsontakengoodcareofinthekindergarten.2.不定式还常用在too...to结构、enough及only等后面作状语，表示结果。如：Theboxistoosmalltoholdallthesethings．Iwalkedallthewayfromhometothelibrary,onlytofinditclosed.3.不定式作目的状语既可放在句首也可放在句尾，可用于inorderto、soasto等结构中。如：Hehadtoearnenoughmoneytosupportthefamily.

InordertomasterEnglish,youmustspendmucheffortonit.

Todogoodwork,onemusthavethepropertools.【语境应用】单项选择。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新课标Ⅰ卷)tobeliftedtobite

2.Nanxiangaside,thebestxiaolongbaohaveafineskin,

allowingthem___________(lift)outofthesteamerbasket

withouttearingorspillinganyoftheircontents.

(2023新课标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.没有；缺乏3.Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehavedreamtthatonedaytheywouldflyintospace.Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehavethedreamtoflyintospaceoneday.4.Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeveryday,whichwillhelpthemstayhealthy.n.肌肉；实力；影响力Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeverydayto/inorderto/soastostayhealthy.5.Astronautshavetousetapetostickeverythingdownwhileworkinginspacebecauseeverythingwouldfloatoff

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

_________(achieve).Oneoftheproblemsisthatthetripwouldtakeaverylongtime.Forexample,_________

(use)currenttechnology,itwouldtakeo