高中英語Unit 4 Astronomy：the science of the stars 課件8

LanguagepointsUnit41.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour…1).（使某物）炸開，爆炸2).（指感情）迸發(fā)

3).（指人口）突然或迅速增加

Thefireworkexplodedinhishandandhewashurtseriously.

Thechildrenexplodedintolaughter.Theteacherexplodedwithanger.

Nowitisnoteasytofindjobswiththeexplodingworldpopulation.

explosionn.爆炸（聲）

explosiveadj.爆炸性的，易爆炸的explodewith/in/into...2.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,….intime(forsth/todosth):notlate及時；不遲Shewillbebackintimetopreparedinner.她來得及回來準(zhǔn)備晚飯。intime:soonerorlater;eventually遲早；最后；終于I’llseehimintime.總有一天我會遇見他。in/outoftime:in/notinthecorrecttime合/不合節(jié)拍Theaudienceclappedintimetothemusic.觀眾合著音樂的節(jié)拍拍手。3.(sth)beto(do):(something)willdefinitelyhappen,oritmusthappen不可避免要發(fā)生或必須發(fā)生。

e.g.Theysaidgoodbye,littleknowingthattheywerenevertomeetagain.

Mr.Clarksaidtohisdaughter,“Youaretobehomeby10o’clockatthelatest.”

Thesportsmeetingwastotakeplacesoon..cool1)v.Pleaseopenthewindowtocooltheroom.Don’tdrinktheteabeforeitcoolsalittle.

2)adj.涼爽的，冷靜的，沉著的，冷漠的，冷淡的

be/get/seem/keepcoolHissongsreceivedacoolresponsefromthepublic.4.Astheearthcooleddown,waterbegantoappearonitssurface. 隨著地球的冷卻,地球的表面就開始出現(xiàn)了水。cooldowna.涼快起來，冷卻b.指人的心境“平靜下來，使…平靜下來”Aheatedargumentcanbesettledbetterifbothsidescooldownfirst.Itriedtocoolherdownbutshewasstillveryangrywhensheleft.Don’tcovertheTVuntilitcoolsdown.

5.Nobodyknewthatitwasgoingtobedifferentfromotherplanetsgoingroundthesun.

2）他們的品位和我不同。Theirtastesaredifferentfrommine.Therearedifferencesbetween…and……與…之間有不同之處tell…from…把…與…區(qū)分開來thesameas…與…一樣besimilarto與…相似

bevery/much/quite/entirely/totallydifferentfrom與…不同

Citylifeisquitedifferentfromcountrylife.

1）城市生活和農(nóng)村生活很不同。goingroundthesun為現(xiàn)在分詞短語，做定語，表示一般的動作。例如：Menbreakingthelawwillbepunished.Menwhobreakthelawwillbepunished.現(xiàn)在分詞短語作定語，也可表示進(jìn)行的動作。例如：Canyouseethegirldancingwithyourboyfriend?Canyouseethegirlwhoisdancingwithherboyfriend?你能看到與男友跳舞的那個姑娘嗎？beharmfulto對…有害

doharmtosb.=dosb.harm傷害某人，對某人有害處

1)Pollutionisespeciallyharmfultoanimals.2)Smokingwilldoyoualotofharm.

Itdoesnoharm(forsb.)todo…Thereisnoharmin(sb.’s)doingsth.6.7.Itallowedtheearthdodissolveharmfulgases….allowvt.允許、許可、容許allow+n./pron./doingallowsb.todobeallowedtodoMyfatherdoesn’tallowsmokingathome.Infacthedoesn’tallow

ustosmokeanywhereatanytime.Areweallowedtousethecomputer?it作形式賓語，其真正的賓語可以是不定式，動名詞和從句。

TheforeignMinistersaid,“_____ourhopethatthetwosideswillworktowardspeace.”(2004BJ)A.ThisisB.ThereisC.ThatisD.Itis2.Ilike____intheautumnwhentheweatherisclearandbright.(NMET2004)A.thisB.thatC.itD.one3.Whydon’tyoubring___tohisattentionthatyouaretoobusytodoit?A.thisB.thatC.whatD.itDCD8.Thatmadeitpossibleforlifetobegintodevelop.4.Why?Ihavenothingtoconfess.____youwantmetosay?A.WhatisitthatB.WhatitisthatC.HowisitthatD.Howitisthat5.Wasitattheschool____wasnamedafterahero______hespenthischildhood?A.which;thatB.where;whereC.that;whereD.which;whereAA9.Theymultipliedandfilledthefirstoceansandseaswithoxygen.multiply(數(shù)目上)增加，增多；乘；（使）繁殖

1)Ourproblemshavemultipliedsincelastyear.

2)2and5multiplytomake10.4)Theplantsheremultiplyrapidly.3)6multipliedby5is30.=Multiply6by5tomake30.10.Thisencouragedthedevelopmentofearlyshellfishandallsortsoffish.encourage鼓舞；促進(jìn)；慫恿。后接名詞、代詞，也可接不定式作賓語補(bǔ)足語。如：Highpricesforcornandwheatwillencouragefarming.玉米和小麥的高價將促進(jìn)農(nóng)業(yè)的發(fā)展。Mysuccessencouragedmetocontinue.我的成功鼓勵我繼續(xù)干下去。Heencouragedmetolearndancing.他鼓勵我去學(xué)跳舞。11.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.

late

adj.遲到的，晚的；前任的；以前的；已故的

lateradv.后來，較晚時候,過后

adj.late的比較級(更遲的,更后的)

latest

adj.最新的

lately

adv.=recently近來

1)Mr.ZhuRongjiisthelatePrimeMinisterofChina.

3)Shesaidshewouldringyoulaterthismorning.5)It’sonlylatelythatshehasbeenwellenoughtogoout.2)Heisoftenlateforschool.4)Haveyouheardaboutthelatestnews?

12.spread的用法（1）vi.（消息等）傳開，流傳。如：Thenewsspreadthroughtheschoolveryquickly.Thefirespreadfromthefactorytothehousenearby.（2）vt.“使伸展，延伸，張開”，常與out連用。Hespreadouthisarmstowelcomeus.Ispreadanewclothonthetable.我在餐桌上鋪上一條新桌布。他張開手臂歡迎我們。13.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.

阻止某人做某事

:preventsb.(from)doingsth.

stopsb.(from)doingsth.

keepsb.fromdoingsth.

1)Wemustpreventthemfrommakingtrouble.

2)Youshouldpreventthechildfrominjuringhimself.

Ifnothingprevents,…如果沒有什么阻礙的話

,…1.ThisisthebestwayIcanthinkof_____intodangerousareas.A.topreventpeoplegettingB.keepingpeoplegettingC.stoppedpeoplegetting2.Alicewasprevented______takingapartinsportsmeeting.Afrom14.escape1)v.escapesthdoingsthescapepunishment=escapebeingpunishedescapefromsth/someplace2)n.Escapefromtheprisonisdifficult.15.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.formillionsofyearstocome中不定式tocome作定語，與前面的名詞之間有邏輯上的主謂關(guān)系：Sheisthelastpersontodosuchathing.她是最不像會做這種事的人。16.dependon/upon1)信賴，依靠

dependon/uponsb/sth/v-ingsb/sthfor…sbtodosthYoumustn’tdependonotherstohelpyou.Alllivingthingsdependonthesunfortheirgrowth.

2)視．．．而定，取決于．．．

Thepricedependonthequality.Yoursuccessdependsonwhetheryouworkhard.Thatdependsonhowyoudidit.dependonit沒問題，請放心（句末或句首）

That/It(all)depends.那得看情況而定

1)Dependonit,you’llsucceed.

2)Hemaysupportme,butitdepends.Tellhimwhatyouwanttosay;he’samanto__.A.countB.believeC.trustD.depend