英语一轮复习名师教学课件Unit4《Astronomythescienceofthestars》新人教版必修3.docx
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英语一轮复习名师教学课件Unit4《Astronomythescienceofthestars》新人教版必修3.docx
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英语一轮复习名师教学课件Unit4《Astronomythescienceofthestars》新人教版必修3
**话题:
科普知识
常用词汇:
science科学 scientist科学家 technology技术 engineer工程师 astronaut宇航员 astronomer天文学家
breakthrough突破 project项目 capsule太空舱 mannedspaceship/spacecraft载人飞船 spaceshuttle航天飞机 unmannedspaceship/spacecraft无人飞船 circlingthemoon绕月 landingonthemoon登月 returntoEarth返回地球 weathersatellite气象卫星
communicationsatellite通信卫星 carryoutscientificexperiments开展科学实验 withalltheinformationavailable有所有的可用信息 inventafoldingwheel发明可折叠的轮子 haveaccesstospacetravel能到太空旅游 applybasictechnologytodailylife将基础科技运用到日常生活中
范例:
IstherelifeonMars?
Wedon'tknow.CanwelandonMars?
Italldependsonthedevelopmentofscienceandtechnology.ManhasknownalittleaboutMars.ThereisalmostnooxygenonMars.Itmightbeabout50degreesabovezeroatnoonand100degreesbelowzeroatnight,whichpreventsusfromlivingthere.NowthatMarsarequitedifferentfromourearth,ifwearetogotoMarsoneday,weshouldhavetotakealongourownoxygen,foodandclothing.ButitiscertainthatwiththedevelopmentofsciencemanwilllandonMarsintime.
一、单词识记
根据词意写出单词的汉语意思或写英文单词。
1.不同;不像prep.________________
2.有害的adj.______________
3.连锁;锁链n.______________
4.存在;生存vi.________________
5.因此;于是adv.________________
6.使迷惑;使为难vt.;谜;难题n.______________
7.气候n.______________
8.生物学家n.______________
9.温和的;文雅的adj.______________
10.物理学家n.______________
unlike
harmful
chain
exist
thus
puzzle
climate
biologist
gentle
physicist
11.astronomyn.______________
12.atomn.______________
13.carbonn.______________
14.acidn.______________
15.fundamentaladj.______________
16.multiplyv.______________
17.oxygenn.______________
18.dioxiden.______________
19.gravityn.______________
20.satelliten.______________
天文学
原子
碳
酸
基本的;基础的
乘;增加
氧
二氧化物
重力,万有引力
卫星;人造卫星
二、词汇拓展
用括号内所给词的适当形式填空。
1.Ifweinterfere干涉,itmaydomore________thangood.harmful
2.Hefell________inlovewithher.violent
3.Sheisgoodatdancing;sheisa________dancer.birth
4.Somestudentsweredoinga________experimentinthelabwiththehelpoftheirteacher.biology
5.Iwasunawareofhis________untilnow.exist
harm
violently
born
biological
existence
三、词组互译
将下列词组译成中文或英语。
1.密切注视;当心______________
2.突发;爆发______________
3.既然______________
4.感到高兴/振奋______________
5.阻止;制止______________
6.轮到某人;接替______________
7.产生;分娩______________
8.下蛋______________
9.及时;终于______________
10.挡住光线______________
watchout
breakout
nowthat
cheerup
prevent…from…
inone'sturn
givebirthto
layeggs
intime
blockout
11.thinkof…as______________
12.combineinto…______________
13.cooldown______________
14.getthehangof______________
15.bedifferentfrom…______________
16.spreadallovertheearth______________
17.goby______________
18.makeatrip______________
19.beoff______________
20.riseintotheair______________
把……看作是
合成……
冷却
熟悉;理解;掌握
与……不同
遍布全世界
过去,推移
去旅行
启程
升入太空
四、单元重点句子填空
根据句子结构或语法要求填空。
1.Weusuallythinkofsciencesubjects________physics,chemistry,biology,geologyandmathematics.
2.Whatarethemostimportantskillsweneed________berealscientists?
3.________itwastobecomewasamystery________thedustbegantoslowlycombineintoaball________movearoundthesun.
4.Itexplodedloudly________fireandrock,________wereintimetoproducethewatervapour,carbondioxide,oxygen,nitrogenandothergases,________weretomaketheearth'satmosphere.
as
tobe
What
until
moving
with
which
which
5.Itallowedtheearth___________dissolveharmfulgases,________hadbecomepartoftheearth'satmosphere,intotheoceansandseas.
6.Scientistsbelievethattakingcarbondioxide________theatmosphereand________filltheair________oxygenhelpedlifetodevelop.
7.LastmonthIwas________luckenoughtohaveachance________makeatripintospacewithmyfriendLiYanping,anastronomer.
8.Icheered________immediatelyandfloatedweightlesslyaroundinourspaceshipcabin________watchtheearthbecome________smallandthemoonlarger.
todissolve
which
from
filling
with
lucky
tomake
up
watching
smaller
9.Walkingdoesneedabitofpractice________thatgravityhaschanged.
10.Wewatched,________amazeasfirebrokeoutontheoutsideofthespaceship________theearth'sgravityincreased.
now
amazed
as
五、课文内容理解
根据课文内容,请用适当的词或短语的正确形式填空。
Astheresultof“BigBang”,theviolentearthslowlysettledintoa1.________movingaroundthesun.Thegasseswhichweretomaketheearth's2.___________cameintobeingfromthe3.________ofthedustball,withwaterfollowingthemwhiletheearth4.________down.Itallowedthebeginningforlife.Millionsofyearslater,thefirstextremelysmallplantsbegantoappearonthe5.________ofthewater,6.____________andfillingtheseaandoceans,whichencouragedthelaterdevelopmentofearlyshellfishandallsortsoffish.Astimepassed,greenplantstaking7.____________andproducing
globe
atmosphere
explosion
cooled
surface
multiplying
carbondioxide
8.________cametolandandgrewintoforests.Laterthe9.________oflivescontinued,suchasinsects,amphibians,reptiles,dinosaursand10.________,thetypicalofwhichishumanbeing.Theydon'tonlydogoodtotheearthbutcausedamagetoit.
oxygen
chains
mammals
六、单元语法复习
翻译下面句子或用适当的连词填空。
1.野生动植物能否得到很好的保护是非常重要的。
2.恐龙为何灭绝至今还是个谜。
3.Itisashame________youhavetoleavesosoon.
4.Itisnotclear________goldwasfoundthere.
5.________kindoffoodisthebestisstillnotcertain.
6.________isneedforthespacetripiscarefulpreparation.
7.________willgomakesnodifference.
Whetherwildlifecanbewellpreservedisofgreatimportance.
Whydinosaursdiedoutremainsapuzzle.
that
how
Which
What
Who
1.puzzle
n.谜;难题
v.使迷惑;使为难
apuzzledexpressiononherface脸上困惑的表情
apuzzlingattitude令人费解的态度
bepuzzledabout对……迷惑不解
findtheanswerto/solveapuzzle找到谜底/解开一个谜
运用:
完成句子
1他们为什么做这事我仍感到莫名其妙。
Theirreasonfordoingitisstill______________.
2我不知道下一步怎么办。
I________________whattodonext.
apuzzletome
ampuzzledabout
2.existvi.存在;生存
existin/onsth.存在;有
existonsth.靠……活下来
comeintoexistence存在;产生
运用:
完成句子
1这种想法是诗人才有的。
Theidea__________________themindofpoets.
2我靠自己挣的工资简直难以糊口。
I__________________thewageI'mgetting.
existsonlyin
canhardlyexiston
3.makev.迫使;制作;使变为;选举;赚得
makesth.制造……
makesb./sth.dosth.使……做……
makesb.sth./makesth.forsb.给……做……;使成为
运用:
完成句子
1她自己做了几根蜡烛来照明。
She________________________light.
2今天早晨我的汽车发动不起来。
Icouldn't__________________thismorning.
3她给我做了一件玩具作为我的生日礼物。
She__________________asabirthdaygift.
madesomecandlestogive
makemycarstart
madeatoyforme
拓展:
makesth.from…用……做……
makesth.into…将……制成……
makeoneselfunderstood/heard使……明白/听到
makeitclearthat…明确……
maketrouble惹麻烦
makeaprofit/loss盈利/亏损
4.remainvi.保持;仍然是;剩下;留待以后做……;停留
remainon/in…停留……
remaintodo/tobedone有待做/被做……
remaintobe…仍然是……
运用:
完成句子
1Afterthefire,________________ofmyhouse.寒舍所剩无几
2__________________以后可见分晓whetheryouareright.
3I__________________untilMay.我在伦敦一直待到五月
4Inspiteoftheirquarrel,they________________________.仍不失为最好的朋友
verylittleremained
Itremainstobeseen
remainedinLondon
remainedtobethebestoffriends
5.feelv.触摸;感受到;以为
feelsth.触摸……;感觉到……
feelsth.doing…感觉到……在做……
feel+adj./tosb.likesth.给……以某种感觉
feelthat…认为;以为
feellikedoing想要做某事
feelone'sway摸索着走
运用:
完成句子
1出事后,她的左腿失去了知觉。
Aftertheaccident,shecouldn't________________inherleftleg.
2我觉得有东西顺着我的胳膊向上爬crawl。
I_____________________upmyarm.
3我觉得这钱包像是皮的。
Thewallet________________leather.
4她坚信自己能成功。
She________inherbones__________________________.
5这水感觉是温的。
Thewater__________________.
feelanything
feltsomethingcrawling
feelstomelike
felt
thatshewouldsucceed
feelswarm
1.intime及时;终于
invain徒劳;白费
inuse使用
inturn轮流
insurprise吃惊
insight看得见
insecret秘密地
inreality事实上
inparticular特别;尤其
indetail详细地
运用:
用适当的名词填空
1Thedoctorarrivedin________tosaveher.
2Heburiedhisgoldin________andnooneknowswhereitis.
3Wesuggestedthathisprojectbediscussedinmore________.
4Hepretendedtobeverybusy,butin________hehadverylittletodo.
5Theyansweredtheteacher'squestionin________.
6Hedidn'tchangeatall.Alloureffortstohelphimwerein________.
7Ifyoukeepontrying,youwillsucceedin________.
time
secret
detail
reality
turn
vain
time
2.layeggs下蛋
laysth.aside把某物放在一边;积蓄钱
laysth.down把某物放下
laythetable摆桌子
layemphasis/stressonsth.强调某事
运用:
完成句子
1Thebird____________下蛋inotherbirds'nests.
2Heisapoliticalleaderthat________________非常强调individualresponsibility.
3I_________mybook,turnedoffthelightandwenttosleep.
4Afterfinishingtheletter,he________himself______tosleep.
laysitseggs
laysgreatstresson
laidaside
laid
down
3.prevent…from…阻止;制止
stop…from…阻止;制止
keep…from…阻止;制止
运用:
完成句子
1他的伤残阻止不了他享受人生的乐趣。
Hisinjures________________________________________.
2谁也不能阻止这个计划的执行。
Noonecan_____________________________________.
don'tprevent/stop/keephimfromenjoyinglife
preventtheplanfrombeingcarriedout
4.breakout突发;爆发
运用:
完成句子
1第二次世界大战是1939年9月爆发的。
___________________________inSeptember,1939.
2流行性感冒通常在冬季发生。
Influenzausually_________________________________.
TheSecondWorldWarbrokeout
breaksoutinwinter
5.watchoutfor当心;提防
watchover看守;照看
运用:
完成句子
1在那些日子,你要是不加提防就很容易受骗。
Inthosedaysyouwouldbeeasilycheatedifyou________________.
2在这你要留神车辆。
Youmust________________thetraffichere.
3工程师和工人们日夜守护着大坝。
Theengineersandworkmen____
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