河北省新乐市第一中学高中英语必修三课件unit4共33张PPTWord格式.docx

河北省新乐市第一中学高中英语必修三课件unit4共33张PPTWord格式.docx

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climate

crash

float

weightlessly

exhaust,exhausted,exhausting

layeggs

givebirthtoinone，sturnprevent…fromblockoutcheerupnowthatbreakoutwatchout

1・太阳系

2.全球的4•宗教

5•气氛

6•激烈的，强暴的7•有害的

8•乘，增加

9.下蛋10・产生，分娩

11.挡住

12.既然

13.当心

14重力

15.人造卫星16.温和的17•气候

Main

Body

Paragraph1Awidelyacceptedtheoryabouttheformationoftheuniverse

Paragraph2:

TheformationoftheearthParagraph3:

Theimportanceofwaterforlife

Paragraph4Thedevelopmentofplantsandanimalsontheearth

Paragraph5:

Thearrivalofhumansandtheirimpactontheearth

Q1:

Whafsthemainideaofthetext?

A.howdidwaterbegin?

B.howdidearthbegin?

C・howdidmanbegin?

^bhowdidlifebegin?

Thedevelopmentoflife

water

Plantsinthewater

Plantson

Shellfish

andfish

Insectsandamphibians

Reptiles

Dinosaurs

Acloudofdust

CombineintoasoZAfball£

xpZ0dlft..withfire&

rock（producecarbon,nitrogen9watervapourandothergases）

▼

Cooldown

Lifebegan

dissolveharmfulgasesinto...

smallplantsgrow

"

oreseneeofwater

appear

land

plantsbegintogrowondry

Ireptilesappear

■

dinosaursappear

■■■■■

insectsandamphibiansappear

Insomefilmsandstories,wecanseedinosaursandpeopletogether.Isitright?

Why?

HOUL.YVW3OD

Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.

Accordingtoawidelyaccepted

witha“BigBand”thatthrewmatter

Forseveralbillionyearsafterthat,theearthwasjusta

an

inalldirections

cloudofdust.Theearthbecameso

thatitwasnot

cleartheshapewouldlastornot.Itloudly

withfireandrock,whichweretoproduce期iolent

watervapourandothergases.Thensmallplantsgrew.

TheyW°

嘉ndfilledtheoceansandseaswith

oxygen.Manymillionsofyearslaterthefirstgreeitl）ltilBLCbegantoonland.Whentheplantsgrewintoforests,

appearedforthefirsttime.Theyproducedyounggenerallyilmiltiplig^gs.

exploded

grow

reptiles

laying

prevents

fromescaping

dependon

Afterthat,dinosaursdeveloped.Theyeggstooandj^j^

ontheearthformorethan140millionyears.Why

mi&

tedrssuddenlydisappearedstillamystery.

Whentheydisappeared,becamemoreremains

importsnt.Nowsmallcleveranimalswith

appearedandalloverthe

theycoveredtheearthandtheyareputtingtoomuchcarbondioxideintothefromcontinueonearthfor

whetherthisproblemcanbesolved

atmosphere

1.Accordingtoawidelyaccept^接受）theory,the

universebeganwitha6BigBang99thatthrew

2.whatitwastobecomewasimcertain.

3.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.

4.Theywereintimetoproducecarbon,nitrogen,watervapourandothergases,whichweretomaketheearthsatmosphere.

5.whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.

6.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.

7.whatmanyscientistsbelieveisthatthecontinuespresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.

8.Thisproducedachainreaction,whiclmadeitpossibleforlifetodevelop.

9.Theymultipliedandfilledtheoceansandseaswithoxygen,whichencouragedthelaterdevelopmentofearlyshellfishandallsortsoffish.

10.Whytheysuddenlydisappearedstillremainsamystery.

11.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.

12.Sowhetheriifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.

l.ThediscoveryofgoldinAustralialedthousandsto

believethata

iforture•

A.ismade

Bewouldmake

C.wastobemade

Dehadmade

（2001±

海）

2.Insuchdryweather,theflowerswillhavetobewateredifthey

1•他处于极度痛苦之中，因此他表现得很粗暴,一切都以暴力对待。

Hewasinviolentpain.Asaresult,hebehavedviolentlyandtreatedeverythingwithviolence.

2•月球上没有东西生存，因为那里没有水和空气。

Nothingexistsonthemoonasthereisnowaterandnoair.

3・我们很有可能下周会考试。

Itislikelythatwewilltakeanexamnextweek.

Wearelikelytotakeanexamnextweek.

4.玩手机对我们学生有害。

Playingmobilphonedoesharmtousstudents.

Playingmobilphoneisharmfultousstudents.

5他脸上困惑的表情表明了他对那个令人困惑的数学问题感到困惑。

Thepuzzledlookonhisfacesuggestedthathewaspuzzledaboutthepuzzlingmathproblem

Thepuzzledlookonhisfacesuggestedthathewaspuzzlingabout/overthepuzzlingmathproblem.

6•只要你不放弃，总有一天你会成功的。

Youwillsucceedintimesolongasyoudoiftgiveup.

7.这周轮到我打扫教室了。

Itismyturntocleantheclassroomthisweek.

Wetaketurnstocleantheblackboard.

9.没有什么能够阻止我努力学习。

Nothingcouldpreventmefromstudyinghard.

10.他的努力学习使他成功成为可能。

Hishardstudymadeitpossibleforhimtosucceed.

11.那个孩子撒谎说刚才躺在这的公鸡两天前下了两个蛋

Theboyliedthatthecockthatlayherejustnowlaidtwoeggstwodaysbefore.

12.恐龙为什么突然消失了还是一个迷.

Whythedinosaurssuddenlydisappearedstillremainsamystery.

很明显人类让地球生病了•很多树木被砍伐引发了很多沙尘暴•有害气体未经处理就被排（release）到大气中•由于二氧化碳的过度排放（overemission）全球变暖越来越严重•我们要怎么做才能阻止地球进一步被污染呢？

首先，我们应该尽可能多的植树来吸收二氧化碳•其次，我们可以循环使用像水，纸张等资源•第三，如果我们更多的使用公共交通的话会更节能更环保•只有当我们意识到好的环境对我们的生活是根本的时候才能有效果•未来的生活是否回持续下去取决于我们人类自己.

Itisobviousthatmanismakingtheearthsick.Manytreeshavebeencutdown，thuscausingmoresandstorms.Manyharmfulgaseshavebeenreleasedintotheatmospherewithoutbeingdealtwith.Theglobalwarmingisbecomingincreasinglyseriousasaresultoftheoveremissionofcarbondioxide.Whatcanwedotopreventtheearthfrombeingpollutedfurther?

First,weshouldplantasmanytreesaspossible,fortheycantakeincarbondioxide.Second，weareexpectedtorecycletheresources^suchaswaterandpaper.Third,itwouldbebetterifweusepublictransportation^whichwillbeenergysavingandenvironmentallyfriendly.Onlywhenweallrealizeagoodclimateisfundamentaltoourlifecanwemakeadifference.Whetherlifewillcontinueontheearthdependsonushumanbeings.

Usinglanguage

1.Thetwoboysfinallyarrivedhomeafterthreedays^trip，（exhaust）.

2.

Onweekends，father

bedandasksmetorunwithhim.

3•—旦你掌握了技巧，游泳就不会那么难了。

Swimmingisnotthatdifficultyonceyou

it.

4.Theboylookedathisfather，•A.to

amazeB.amazingC.amazedD.beingamazed

5.It'

sjustamongcountriestohosttheOlympics

astowinanOlympicmedaL

A.muchasacompetitionB.asamuchcompetitionC>

asmuchacompetitionD.acompetitionasmuch

6.SomepartsinSouthChinahaveexperiencedthis

yearastheydidlastyean

A•twiceasmuchrainB•raintwiceasmuch

C•astwicemuchrainD.twicerainasmuch

7.Beforeweleft，LiYanpingexplainedtomethattheforce

ofgravitywouldchangethreetimesandthefirst

changewouldbethemostpowerful.

飞机在山中坠毁，结果死了60人。

Theplanecrashedinthemountains,killing60people.

2.Becarefulwhenyouopenanunknowndocument.Itmightcontainthedeadlyviruswhichcouldentirely

yourcomputersysteminaminute.

A.explodeB.crashC.multiplyD.dissolve

离站，使摆脱困境

匆忙穿上

拆毁

恢复健康，度过难关

pullout

pullon

pullup

pulldownpullthroughgetthroughlivethrough

Thedoctordoubtedwhetherthepatientwouldlivethroughthatmonth.

Itishardtoseehowpeoplewillgetthroughthewinter.