人教必修三Unit 4 Astronomy the science of the stars单元要点预览.docx

精品文档Unit4Astronomy:thescienceofthestars单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析1.loudly/loud/aloud2.unlike/dislike3.remain/leave4.climate/weather5.nowthat/since/because/as词形变化1.violentadj.强暴的,猛烈的violencen.暴力，强暴；猛烈violentlyadv.强暴地；猛烈地2.fundamentaladj.基本（础）的n.[pl.]基本原则（法则）fundamentallyadv.基本地；根本地fundamentn.基础；根本3.developmentn.生长，发展；新情况developvt.发展；产生vi.生长；发展developedadj.发达的developingadj.发展的4.layvt.放下；摆设；产（蛋）lay—laid—laid—layinglievi.躺，平放；位于lie—lay—lain—lyinglien.&vi.谎话；说谎lie---lied---lied---lying5.preventvt.预防，防止preventionn.预防；阻止；妨碍preventableadj.可防止的，可预防的6.gentleadj.和蔼的；轻柔的gentlyadv.温和地；静静地7.physicsn.物理，物理学physicistn.物理学家physicaladj.身体的;物理（学）的；物质的1.systemn.[c]系统；体系;制度；方法重2.layvt.(laid,laid,laying)把……放下；摆设；铺（地毯）；产（蛋）点3.harmfuladj.后害的；伤害的单4.existvi.存在；生存词5.puzzlev.（使）迷惑；（使）苦思n.谜；难题6.pullv.拉，拖，拔；移动n.拉，拖；拉（弓I）力7.cheervt.&vi.(使)局兴、振奋；（对）欢呼1.tobeginwith以开始；由作为开头；首先2.intime及时；最终；迟早重3.inonesturn轮到某人；接着点4.prevent...from使不做事；阻止做杲事词5.blockout挡住（光线）组6.beoff=setoff出发；动身；不用上班/学/开张7.breakout（灾难、战争等）突发；爆发8.watchout密切注视；当心；提防1.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,carbondioxide,oxygen,nitrogenandothergases,which重点句weretomaketheearth'satmosphere.子2.Thatmadeitpossibleforlifetobegintodevelop.3.ButwhenItriedtostepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover.重点语法宾语从句和表语从句（见语法部分）语言要点(模块)I.词语辨析(旨在提供完形填空所需材料)1. loudly/loud/aloud【解释】loudlyadv响亮地，高声地loudadj/adv与sing,speak,talk连用aloudadv相对默读而言；出声【练习】根据句子的意思在括号里填入适当的词。

1) .Willyoupleasespeak?2) .ItisgoodforyoutoreadEnglisheverymorning.3) .Thebombexploded.4) .Ishervoiceenough?5) .Actionspeaksthanwords(事实胜于雄辩).Keys:1).louder2).aloud3).loudly4).loud5).louder2. unlike/dislikeunlikeprep.不像，和不同adj.［作表语］不相似；不同dislikevt./n.不喜爱，厌恶【练习】根据句子的意思在括号里填入适当的词1). A good hotel manager should know his regular guestslikes and2) .Herlatestnovelisquiteherearlierwork.3) .Ifyougoonlikethatyou'llgetyourself(like).4) .Iwasveryinterestedinthelecture,manyofthestudents.Keys: 1). dislikes2).unlike3).disliked4).unlike3. remain/leaveremain vi. 仍然是；留下；剩下常用句型：remain + n. 仍然是remain + v-ed/v-ing 仍然是leave vt.剩下，忽略或未拿或未带（某物）常用句型：leave sb. sth. / leave sth. to sb.remain + adj./adv./prep. 仍然是remain to be done 有待去做，依然要做,使或让（某人、事物）处某状态、某地等给某人留下某物随意编辑leavesth（forsb）留下，交待下（某物）leavesthtosb将某物遗赠给某人remaining/left两者都可以作形容词，表示“剩下的”，前者用于被修饰的名词之前,后者用于被修饰的名词之后。

练习】根据句子的意思在括号里填入适当的词1) .Someoneyouthisnotewhileyouwereout.2) .Aftertheearthquake,littleofthevillage.3) .Heusedthemoneytobuyadictionary.4) .Afterbuyingthedictionary,hehadnotmuchmoney5). Arriving home, I found that Id my key in the office.6) .Don'tleaveher(wait)outsideintherain.7) .Sheremained(change)afteralltheseyears.8) .Agreatmanythingsremain(do).Keys:1).left2).remained3).remaining4).left5) .left6).waiting7).unchanged8).tobedone4. climate/weather【解释】climate指从长时间的范围来看某地的平均气候或经常性的气候；weather指某地一时的天气，如寒暖、晴雨和干湿的变化情况。

练习】根据句子的意思在括号里填入适当的词1) .Weshallgooutforapicnictomorrowiftheisfine.2) .Adrierwouldbegoodforyourhealth.3) .Icouldn'timaginewhatitwouldbeliketoliveinahot.4) .Theofourcountryismild,butindividualplacesexperiencebadKeys:1).weather2).climate3).climate4).climate;weather5. nowthat/since/because/as【解释】都可引导原因状语从句，语气最强的是because,引导直接而明确的原因，也用来回答why的问句或用于强调句型；其次是since/nowthat,表示已知或明显的原因，再次是as,引导的原因是不言而喻、显而易见的；for引导的是并列分句，表推测或判断的原因,前面有逗号隔开练习】根据句子的意思在括号里填入适当的词1) .everybodyishere,let'sbeginourmeeting.2) Itwashewasillthathedidn'tgotoschool.3) .Itmusthaverainedlastnight,thegroundisallwet.4) .wearealone,wecanspeakfreely.Keys:1).since/nowthat2).because3).for4).Now(that)n.词性变化（旨在提供语法填空所需材料）1.violentadj.强暴的,猛烈的violencen.暴力，强暴；猛烈violentlyadv.地强暴地；猛烈2.fundamentaladj.基本fundamentallyadv.基本fundamentn.基础；根本（础）的n.[pl.]基本原则（法地；根本地贝U)3.developmentn.生长，developvt.发展；产生developedadj.发达的发vi.生长；发展developingadj.发展的展；新情况4.layvt.放下；摆设；产（蛋）lievi.躺，平放；位于lien.&vi.谎话；说谎lay—laid—laid—layinlie—lay—lain—lyinglie---lied---lied---lyingg5.preventvt.预防，防止preventionn.预防；阻止；preventableadj可防止的，妨碍可预防的6.gentleadj.和蔼的；轻柔gentlyadv.温和地；静静地的7.physicsn.物理，物理学physicistn.物理学家physicaladj.身体的；物理（学）的;物质的【练习】用括号内所提供词的适当形式填空。

1) .Thenaughtyboy(lie)tomethatthehenthat(lie)therejustnowhad(lay)twoeggsthedaybefore.2) .Inmyopinion,(prevent)ismoreimportantthantreatment.3) .SomeprogramsontheInternetarefullof(violent)andsex.4) .Withthe(develop)ofmodernindustry,moreandmorepollutioniscaused.5) .Chinaisa(develop)countrybelongtothethirdworld.6) .Thereare(fundament)differencesbetweenyourreligiousb。