中英语m3教学资料-unit 4 m3 language points

Unit4M3LanguagepointsFurtherquestions:1.Whatisfundamentaltothedevelopmentoflife?Whatchainreactiondoesitproduce?2.Thereusedtobenineplanetsinthesolarsystem.Recentlyscientisthavedecidedthatoneofthemcannolongerbeconsideredaplanet.Doyouknowthenameofit?Whydidtheyremoveit?Fillinthediagram:Water

life

(plants)

oxygen

shellfish/fishamphibiansreptiles--Hugeanimals(dinosaurs)

mammals

humans

inwateronland2.Thereusedtobenineplanetsinthesolarsystem.Recentlyscientistshavedecidedthatoneofthemcannolongerbeconsideredaplanet.Doyouknowthenameofthatplanet?Doyouknowwhytheyremovedit?

Pluto.Scientistsnowthinkitistoosmalltobecalledaplanet.1.However,accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatter

inalldirections.

adv.+doneadj.一对新婚夫妇一个高度发达的国家

anewlymarriedcouple

ahighlydevelopedcountry2)他以一首歌开始/结束他的演讲。

Hebegan/endedhisspeechwithasong

首先，请大家拿出纸和笔。

Tobeginwith,pleasetakeoutpaperandpen.3)他们朝学校的方向走去。

Theywalkedinthedirectionofourschool.4)mattern.物质（总称)不可数

theamountofmatterintheuniverseimportantmatters

重要的事情2.Whatitwastobecomewasuncertainuntil4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.wasto=would

settle:降落；停留在

Dustsettledonthetablesandchairs.

settletheproblem解决问题

settleinLondon定居

settledown=calmdown冷静下来主语从句定从3.Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.______________important______astheearthcooleddown,waterbegantoappearonitssurface.2)_________________,astheearthcooleddown,waterbegantoappearonitssurface.Itisevenmore

thatMoreimportantly4.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.it

isobviousthat……5.Whatmanyscientistsbelieveisthat

thecontinuedpresenceofwater(水的长期存在）

allowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.(=_________________________thecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.)ManyscientistsbelievethatItisbelievedthat6.Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.1)他发现不可能离开这个国家了.Hefound/felt/thoughtitimpossibletoleavethecountry.2)我认为早起是一个好习惯.Ithink/consider/find/itagoodhabittogetupearly.7.Theymultipliedandfilledtheoceansandseaswithoxygen,whichencouragedthelaterdevelopmentofshellfishandallsortsoffish.

1)multiplyvi.(1)breed繁殖

(2)increase增加(数量)

2)fillAwithB=AbefilledwithB√8.adj./n.仍然是

remaindoing仍然在做

done是(某种状态)tobedone尚待去做

Itremainstobeseenwhether…theremaining+n.=then.+left

(adj.)剩下的e.gtheremainingstudentsremainsn.剩余物;遗址1)他们的婚姻还是个秘密.Theirmarriageremainedasecret.2)Tom,a40-year-oldman,___________.

3)Thestudents_____________tomusic.

4)它对我们是否有害或是有益还得等着瞧.Itremainstobeseenwhetheritdoesusharmorgood.Whetheritdoesusharmorgoodremainstobeseen.仍然单身还在听

remainssingleremainedlistening9.Somecleveranimalsappearedandspreadallovertheearth.

spread–spread–spread散布vi.1)spreadthemapoutonthefloor2)Thenewsspreadthroughtheschoolveryquickly.3)Thefirespreadquicklythroughtheforest.Thediseasespreadseasily.4)Thediseasewasspreadbymice.摊开;铺开(消息)传播;流传(火/疾病)蔓延

10.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependon

whetherthisproblemcanbesolved.

在未来的数百万年里，生命能否在地球上延续取决于这个问题能否得到解决．主语从句宾语从句formillionsofyearstocome

tocome（用于名词后）未来的，将来1)Theymayregretthedecisioninyearstocome.(在以后的几年里)2)Thiswillbeaproblemforsometimetocome.(