英语Unit4Astronomythescienceofthestars课件2新人教必修3.docx
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英语Unit4Astronomythescienceofthestars课件2新人教必修3
必修3
Unit4
Astronomy;thescienceofthestars
课前自主
i•单词拼写
1.Hedoesn*tliketobev,instead,heprefersto
solvetheprobleminpeace.
2.Withouto4-wecouldn'tlive.
3.Oncoldwinterdays?
therewillbeiceonthesof
thewater.
4rWithth已dofscience?
manynewthingsarein-
vented,
5.Gspeaking•heisasmartboyexcepthiscareless
ness.
6.Hispatthemeetingmadeeverybodyexcited,
7.Anotherofhisbookwillbepnextmonth,
8.ThereasonwhyAvehavetofalltothegroundisthatthere
!
isg•
9.G-herealizedthathehaddonewrongtoher.
10.Theriverissopollutedthat已verydaywecanseealotof
thin呂5fonthewater.
答案:
1.violent2.oxygen3.surface4.development
5.Generally6.presence7,published8,gravity
9.Gradually10.floating
n.短语填空
I"•"'•■"""'I
:
intime:
nowthat:
brenkout:
qetcloseto:
cheerup
1.youaregrownup9youshouldnotrelyonyour
parents・
2tShouldanotherworldwar?
Avhatwouldbecome
ofhuma口beings?
3.Thecarcametoahaltjusttopreventanacci
dent.
Thecrowdwhentheysawtheteamsarrive,
5.Tellthechildrennottothecave.
答案:
1.Nowthat2.breakOut3.intime4.cheeredup
5.getcloseto
HL词组翻译1'
1・当着某人的面
2•熟悉
3.冷却下来
丄•下蛋
5.(时间)过去
答案:
1・inone"5presence2.getthehangof3.cooldown
4.layeggs5.goby
IV.完成句子
1•(随着地球的冷却)9waterbegan
toappearonitssurface・(cool)
2tWhetherlifewillcontinu已ontheearthformillionsofyearstocomewill(取决于这
个问题能否得到解决).(depend)
3.Walkingdoesneedabitofpractice
(因为引力改变了).(now)
答案;1・Astheearthcooleddown2・dependonwhetherthisproblemcanbesolv已d3Tnowthatgravityhaschanged
V・单项填空(课文经典语句)
1.Astime•theycoveredtheearthandhavebe-
comethemostimportantanimalsontheplanet,
A,wentthrough
C.wentby答案;c
Brwentover
D.Aventaround
2.LiYanpingthattheforceofgravitywould
changethreetimesonourjourney.
A,explainedtome
Cfexplainedwithme
答案:
A
BtexplainedmeD.explainedmeof
3.Astherocketroseslowlyintotheairwebegantofeelthe
pulloftheearth.whichiswecallgravity,
A.howB.whereC>Avhe口D.what
答案:
D
4.ButwhenItriedtostepforwardIfoundIwascarriedontheearthandfellover.
Afasfarastwice
B.astwicefaras
C.twiceasfaras
Dasfartwigas
答案;c
5tWewatched?
asfirebrokeoutontheoutsideof
thespaceshipastheearth'sgravityincreased.
答案;B
创新互动课堂
2…核心同蛋捷理
1.depend讥依靠;依赖
►搭配:
dependonupon依靠;信赖;取决于
Thecountrydependsheavilyonitstouristtrade,这个国家主要依靠旅游业。
[朗文原创]
Hewasthesortofpersonyoucould,dependOn,他是你可以信赖的人「[牛津经典]
Thelengthofthetreatmentdependsontheseverityoftheillness・
治疗时间的长短取决于疾病的严重程度。
[朗文原创]
》句型:
dependon/uponsb.todosth.
相信某人会做某事;指望某人做某事
dependon/uponsb.one'sdoingsth.
'相信某人会做某事;指望某人做某事I
dependonit请放心
Heknewhecoulddependuponhertodealwiththesitua-tion•他知道可以依赖她来应付这种局面。
[牛津经典]We*redependingonhimfinishingthejobbyFriday.我们指望着他在星期五前完成这项工作。
[朗文原创]Dependuponit.heHlturnup,请放心,他一定会来的。
[朗文原创]
►拓展:
dependingonupon根据,依靠",是现在分词形式,常用作方式状语,相当于accordingto#
Wemightneedmorefoodd已pendingonhowmanypeopleturnup.我们可能还需要些食物,不过这要看到场的人数。
[牛津经典]
►识记:
It(all)depends.That(all)depends.这很难说得
看情况Q
"Atcyougoingtovisithim?
7*^Well?
itdepends."
“你要去看他吗?
杯哦,这要看情况厂[朗文原创]:
]
>链接:
relyon依赖9信赖
counton依赖9指望
reston依赖,依据
believein相信,信任
【应用1】(09•新乡模拟)Youmaydependon
thatAlicewilldothejobproperly,
A,herBtit
CTeverythingD,this
2.existvi存在;生存
►句型:
thereexists...意为"有;某地有;某地存
在着=相当于therebe句型。
Therealwaysexistsaforceofattractionbetweentwobodies,两物体间总是存在着吸引力。
Thereexistedatemplewheretheschoolstands・
现在的这个学校所在地原来有一座寺庙。
Id|
》搭配:
existon...靠生存或生活
ThehostagesexistedOnbreadandwaterforOver5months.人质靠面包和水生存了5个多月。
[朗文原创]Theycan*texistonthemoneyhe'searning.
他们靠他挣的那点钱无法维持生活。
[牛津经典]
►拓展:
existing"现存的9现在的S—般用作定语。
Changeswillbemadetotheexistinglaws.
现行的法律将被修改。
[朗文原创];
3,mass壮质量;团,块;大量
》识记:
amassofmassesof大量方勺;大扌比的;许多Massesofbookscoveredeverysurfaceintheroom.
大量的韦籍摊满了整个房间。
[朗文原创]
Westillhadmassesoftimetospare・
我们仍然可以抽出许多时间。
[朗文原创]
卜提示:
amassof或massesof既可修饰复数老词•亦可修饰不可数名词。
I?
vegotmassesofworktodo.
我有一大堆的工作要做。
[牛津经典]
Amassoftouristscameintothecity,大量的游客来到这个城市。
》辨析:
themassof・,・大部分;大多数
Themassofmodernpeoplearemfluencedbytelevision.现代人大多受到电视的影响。
»识7己:
inamass大量地;大扌比地
Sportsfanscametothestadiuminamassbeforethegame.大批的运动爱好者在赛前就来到了体育馆。
【应用2]Theyoungdancerslooked50charmingintheirbeautifulclothesthatwetookpicturesof
them.
B.massesof
D・alargeamountof
A.manyof
C・thenumberof
O重点短语例释
1.intime及时;早晚;迟早
Wegottothestationjustintimetocatchthebus.我们到达车站时,刚好赶上那班车。
Intimehewillseewhatisright,他早晚会明白什么才是