高三英語(yǔ)一輪復(fù)習(xí)-話題14航天科技

1.harmful:adj.有害；可致?lián)p傷吸煙有害健康。Smokingisharmfultoour

health.Thedrugisharmfultoourbrain.harm:harmless:harmlessnessn.損害/傷害adj.無(wú)害n.無(wú)害1第1頁(yè)harm常見(jiàn)短語(yǔ)：dosb.harm/doharmtosb.domoreharmthangoodThereisnoharmin(sb.’s)doingsth.Itdoesnoharm(forsb.)todosth.對(duì)某人有害。弊大于利做…沒(méi)有壞處2第2頁(yè)2.…bylayingeggs.

lay-laid-laid-laying

放,把……放在……；產(chǎn)卵

Helaidhisbooksonthedesk.注意:lie(lay;lain;lying)躺；位于

lie(lied;lied;lying)說(shuō)謊Thenaughtyboy____tomethatthehenthat____therejustnowhad____twoeggsthedaybefore.A.laid;laid;laidB.laid;lay;lainC.lied;laid;lainD.lied;lay;laidD3第3頁(yè)3.puzzle:n.謎,難題vt&vi(使)迷惑,(使)為難

puzzled:adj.無(wú)法了解,(感到)迷惑

puzzling:adj.令人費(fèi)解

sthpuzzlessb.

某事使某人迷惑/為難

sbbepuzzledbysth.某人對(duì)…感到迷惑

puzzleabout/oversth.苦苦思索solveapuzzle處理一個(gè)難題Whatpuzzlesmeiswhyheleftthecountrywithouttellinganyone.I’mpuzzledbyhisfailuretoreplymyletter.4第4頁(yè)4.

nowthat:既然，因?yàn)榧热幻總€(gè)人都到了，我們就能夠開(kāi)始會(huì)議。_________________________,wecanbeginthemeeting.因?yàn)槟闶且粋€(gè)大男孩,你就必須行為表現(xiàn)得更加好.______________________,youmustbehavebetter.NowthateverybodyishereNowthatyouareabigboynowthat同since相同,語(yǔ)氣較弱,強(qiáng)調(diào)人們已知事實(shí)。Nowthatyouarehere,whynothavesupperwithus?yououghttohaveagoodrest,nowthatyou’vefinishedthejob.5第5頁(yè)5.Theywereintimetoproducecarbon,nitrogen,…遲早，最終相當(dāng)于soonerorlater

Youwillsucceedintimeifyoukeeponworkinghard.Don’tworry–I’msurethingswillgetbetterintime.2)intime(forsth./todosth.)及時(shí)，不遲Iwasjustintimefortheflight.Youmustgooffnowifyouwanttoattendthemeetingintime.6第6頁(yè)與time相關(guān)短語(yǔ):

aheadoftime

提前

innotime

立刻,馬上

at

times

有時(shí)

at

atime

每次;一次

atnotime絕不；永不

atonetime曾經(jīng)；一度

once

upon

atime

從前

on

time

按時(shí);按時(shí)from

time

to

time

不時(shí)地takeone’stime不著急7第7頁(yè)6.Itwasnotimmediatelyobvious

thatwaterwastobefundamentaltothedevelopmentoflife.水會(huì)對(duì)于生命發(fā)展起關(guān)鍵作用,這一點(diǎn)在當(dāng)初并不太顯著.本句表達(dá)是名詞性從句在句中作主語(yǔ)作用,It是形式主語(yǔ),真正主語(yǔ)是thatwaterwastobefundamentaltothedevelopmentoflife.如:

Itisnowonderthathehaspassedtheexam.8第8頁(yè)7.(sth)dependon(sthelse):1)取決于Oursuccessdependsonwhethereveryoneworkshardornot.2)依賴，依靠Childrendependontheirparentsforalloftheirmaterialneeds.相信，信賴YoucandependonJane;shealwayskeepsherpromises.4）dependon/upon賓語(yǔ)補(bǔ)足語(yǔ)能夠是不定式或分詞Theoldmandependedonhisdaughtertokeephouse.Hedoesn’twork,butdependsonhisparentsgivinghimmoney.

我們成敗取決于是否每個(gè)人都努力工作。9第9頁(yè)8.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.1）A+倍數(shù)+as+adj/adv原級(jí)+as+B表示A恰好是B多少倍2)A+倍數(shù)+adj/adv比較級(jí)+than+B表示“A比B大（長(zhǎng)，寬，高…)幾倍”3）A+倍數(shù)+thesize/weight/height/length/width+of+B表示A恰好是B多少倍10第10頁(yè)1)“A+be+倍數(shù)+as+形容詞原級(jí)+as+B”.

Thistreeisthreetimesastallasthatone.Hisfatheristwiceasoldashe.2)“A+be+倍數(shù)+形容詞比較級(jí)+than+B”

長(zhǎng)江差不多比珠江長(zhǎng)兩倍。

我們學(xué)校學(xué)生數(shù)量比他們學(xué)校多三倍。TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.Thenumberofstudentsinourschoolisthreetimeslargerthanthatintheirs.

11第11頁(yè)

3)“A+be+倍數(shù)+the+名詞(size,length,width)+of+B”Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.

新擴(kuò)建廣場(chǎng)是以前四倍大。

—Doyouregret_______(pay)100dollarsforthepainting?—No,Iwouldgladlyhavepaid_____________(兩倍那么多了)forit.payingtwiceasmuch12第12頁(yè)這條街是那條街四倍長(zhǎng)~Thisstreetisthreetimeslongerthanthatone.~Thisstreetisfourtimesaslongasthatone.~This