2019-2020年高中英语人教版必修三Unit4单词导学案(无答案)

2019-2020学年高中英语人教版必修三Unit4Astronomy:thescienceofthestarsWords【学习目标】1、课前预习、记忆单词，能够会读、会写。2、通过查字典、小组合作探究，掌握单词、词组的用法。重重点难点】1、重点单词：system,theory,violent,unlike,fundamental,harmful,multiply,exist,puzzle,crash,pull,float2、重点短语：intime,layeggs,givebirthto,inone'sturn,prevent-from,blockout,cheerup,nowthat,watchoutfor,breakout【自主学习］Theclassificationofpartsofspeechv.multiply,exist,puzzle,crash,pull,floatn.astronomy,system.religion.theory,atom,billion,globe,carbon,dioxide,atmosphere,acid,chain,oxygen,puzzle,biology,gravity,satellite,physicist, climate,spaceship,adj.violent,fundamental,harmful,gentle,unlikeprep.unlike【合作探究】astronomyn.天文学 astronomer天文学家systemn.［c］系统；体系；制度；方法systematicadj.有系统的；有条理的Thesolarsystem（太阳系）includesthesunanditseightplanets.太阳系包括太阳和它的八颗行星。Theeducationsystem（教育系统）operatesverydifferentlyintheUSandChina.Heintroducedusawell-designedrailwaysystem（铁路系统）.religionn.宗教，宗教信仰 religiousadj.believeinreligion信教Youshouldn;ttalkaboutpoliticsorreligion. 你不应该谈论政治和宗教。theoryn.学说，理论intheory在理论上inpractice在实践上puttheoryintopractice把理论付诸实践Darwin'stheoryofevolutionI大尔文的I井化论theoryofrelativity相对论combinetheorywithpractice杷理论与实践相结合Intheory,Iagreewithyou,butIfeelthatyourideaswouldnotworkinpractice.理论上，我同意你的意见，但实际上恐怕行不通。globaladj.globen.球，球状物，地球仪theglobe地球，世界globaladj.Ifyoulookatthisglobe,youwillseewhereequatoris.如果看一下地球仪，你就会看到赤道在哪儿。atmospheren.c.n.&u.c.大气层，气氛，氛围Thewastegoesintotheatmosphere.废气进入大气层。Thetopleadersofthetwocountriesareholdingtalksinafriendlyatmosphere.两国领导人在友好的气氛中进行谈判。violentadj.猛烈的，激烈的，强暴的violencen.answerviolencewithviolence以暴制暴violentbehavior暴力行为violentwinds猛烈的大风Thestudentsareinvolvedinviolentdashes.学生们被卷入了暴力冲突。intime及时；迟早，终有一天You'llsucceedintimebecauseyouarealwaysworkinghard.IhopeyoucanarrivehereintimetoseeMr.Greenbeforeheleavesthisafternoon.Hewasintimetocatchthebus.=Hewasintimeforthebus.用法总结：intimetodo=intimeforsth.及时做…unlike adj.&prep.不同；不像一反义词：like像；like vt. 喜欢 一反义词dislike不喜欢Theyaresounlikethatnobodywouldbelievetheyweresisters.Unlikeme,mysisterlikestostayuplate.It'sunlikeTomtobelate.迟到不像他做的事。UnlikeJohn,Tomdislikesplayingfootball,doesn'the?不像约翰，汤姆不喜欢踢足球。Thetwinsareunlikeincharacter.性格不同。用法总结：It'sunlikesb.todosth. 做某事不像某人那样fundamentaladj.基本的，基础的Benmadeafundamentalmistake.本犯了一个根本性的错误。Freshairisfundamentaltogoodhealth.Diligenceisfundamentaltosuccess.用法总结：befundamentaltosth对…必须的/关键的harmfuladj. 有害的；伤害的harmn.&vt.伤害(某人)beharmfultosb./sth.对 有害doharmtosb.=dosb.harm=harmsb.对 有害；伤害 Everyoneknowsthatsmokingisharmfultoyourhealth.Inmanycases,toomuchcareforchildrenfromparentsmightevendoharmtotheirgrowth.Readinginthesundoesalotofharmtoyoureyes.=Readinginthesundoesyoureyesalotofharm.=Readinginthesunisveryharmfultoyoureyes.在阳光下看书对你的眼睛伤害很大。

Thereisnoharmingoingtoschoolonfoot.做…并无害处。Manypeopleareawareoftheharmfuleffectsofsmoking.很多人都意识到吸烟的危害。chainn.链子；连锁；链锁；一系列，一连串achainofevents/accidents/thoughts/misfortunes一连串事件/事故/想法/灾难achainreaction 连锁反应chainstores连锁店chainstores连锁店他们砸断了门上的链条。他们砸断了门上的链条。Theybrokethechainsonthedoors.Achainisnostrongerthanitsweakestlink.一环薄弱，全局必垮。multiplyvt.&vi.乘；增加；繁殖2multipliedby5is/makes10.Ourproblemshavemultipliedsincelastyear.Rabbitsmultiplyrapidly.Thechildrenarelearningtomultiplyanddivide.孩子们正在学习乘法和除法。2multipliedby4makes/is8. 2X4=8.TOC\o"1-5"\h\z2and4multiplytomake8. 2X4=8Multiply2by4tomake8. 2x4=8Multiply2and4tomake8. 2x4=82times4is8. 2X4=88dividedby2is4. 8+2=42plus4is6. 2+4=66minus2is 6-2=4Hardworkwillmultiplyyourchancesofsuccess.(vt.)努力工作会增加成功机会。用法总结：multiplyAbyBA乘以Bexistvi.存在；生存existencen.存在comeintoexistence/being产生Thereexist=Therebe…有 表存在existon=liveon靠 .生存exist+prep.存在于地方extinct=dieout消失，灭绝ThisplantexistsonlyinAustralia.Canyouexistonsuchalowsalary?Thereexistmanynaturalmysteriesintheworld.Idoubttheexistenceofalien(夕卜星人)Whendidthisworldcomeintoexistence?(产生)DoeslifeexistonMars?火星上有生命吗？IcanhardlyexistonthewageI'mgettin直靠我挣的T资简直难以糊口。ThisplantexistsonlyinAustralia.Canyouexistonsuchalowsalary?Mancan'existwithoutair.没有空气，人类无法生存自11)existsariverinmyhometown.A.ThereB.It C.TheD.We用法总结：existin…_存在于 中existon…一罪 生活（生存）Thereexist…—…存在着comeintoexistence开始存在；产生15.thus/thereforeadv.soadv./conj.因此；因血Wedon'townthebuilding.Thus,itwouldbeimpossibleforustomakeanylargechangestoit.这座楼不是我们的。因而，我们不能对它做太大改动。Wefailedtofindenoughevidence;thusweconcludedthathewasinnocent.我们没找到足够的证据，因此我们推断他是无辜的。Therehasbeennorainandthus/andtherefore/(and)sothecropsarelikelytosuffer.prevent•••from阻止；制止Nothingcanpreventme(from)reachingmygoal(达至U目标；成功)Shewaspreventedfromtakingtheexambyillness.用法总结： prevent…(from)=stop…(from)=keep....from阻止 做某事puzzle n.迷；又t题vt.&vi.(使)迷惑；(使)苦思；(使)为难 (情感动词)puzzledadj.无法了解的；困惑的puzzlingadj.令人费解的Herdecisionwasapuzzletohim.Whatpuzzlesmeisnothisjob,buthisattitude.Shefeltpuzzledabout/overherfuture.Hisanswersounds.puzzling(puzzle)andweareallpuzzled(puzzle).Herreplypuzzledme.她的回答把我弄糊涂了。Theirreasonfordoingitisstillapuzzletome.他们为什麽要做此事我仍莫名其妙。Toexplainthepuzzlingfindings,heofferstwotheories.Shelistenedwitha.puzzled.expressiononherface.Hewaspuzzled.whattodonext.Whatpuzzlesme(使我困惑的事情)iswhyheleftthecountrywithouttellinganyone.用法总结： sth.puzzlesb.某事使某人困惑be/feelpuzzledabout/oversth.对 感到困惑或苦苦思索sb.bepuzzledby对…...困惑：不解solveapuzzle解决一个难题acrosswordpuzzle字谜gravity/pulln.万有引力；重力Thereislittlegravitysothatthingsfloataround.(宇宙飞船)几乎没有引力，所以东西到处飘浮。Newton，slawofgravity牛顿的万有引力定律gentleadj.温和的，文雅的，温柔的gentlyadv.gentlemann.先生，绅士gentleinvoice/action声音温柔，动作优美agentlesmile/voice/boy/breeze 温柔笑/声音、温和的男孩/微风Shehasagentlemannerofspeaking.她谈吐文雅。climaten.气候Theislandhasacoldclimate. 这个岛上气候寒冷。Theywantedtomovetoawarmerclimate. 他们想搬到气候较温暖的地区。crashvi.(1)飞机坠毁，汽车猛撞； crashinto(2)(发出巨大声响)破碎，破裂(3)计算机死机，程序停止vt.使飞机坠落，使汽车冲撞n.aplanecrash 飞机失事Thenewsthattheplanehadcrashedmadeussad.飞机失事的消息让我们非常难过。Hecrashedintotheotheryouthandtheybothlandedontheground.(撞上)Theplatecrashedtothefloor. 盘子哗啦一声摔碎在地上。Thecomputersthatweuseatthemomentareoldandslow,andtheyoftencrash我们现在使用的计算机又旧又慢，还经常死机。Hecrashedhiscarintoawall. 他的车撞到墙上了。Astonecrashedthroughthewindow.石头砸入了窗子。pullv.拉，拖，拔；移动n.拉，拖；拉(弓I)力pullout(sth.)拉掉；使分离；掏出；驶离(车站)pullon穿，戴上(袜子、手套等)pulltogether同心协力；通力合作YoupushandI'pull.你来推，我来拉。Ifeltapullatmysleeveandturnedround.我觉得有人扯我的袖子一便转过身来。Iarrivedasthelasttrainwaspullingout.(驶离车站)Hepulledoutagunandaimedatthecriminal.(拿出)Solongaswepulltogether,there'nomountaintopwecan 'tconquer.力)cheerup感到高兴；感到振奋ThefanscheeredupwhentheysawtheirfavoritestarTomboughthisgirlfriendalargediamondringtocheerherup.用法总结： cheer(sb.)up(使某人)更高兴；(使)振奋起来floatvi&vt(使)漂流，漂浮n.漂浮物Theyfloatthelogsdowntherivertothetowns. 他们使原木沿河漂流至城镇。Woodfloatsonthewater. 木头漂滓干水。Aballoonfloatedacrossthesky.一个气球从空中飘过。Hefloatsfromtowntotown. 他从一个城市游荡(漂)到另一个城镇。remainlinkv.保持不变，仍是vi.剩下；留下Peterbecameamanager,butJackremainedaworker.Whateverachievementsyou'vemade,youshouainmodest.Hehadtoremaininhospitaluntilhewasbetter.Theguestscamein,butsheremainedsittingatthedeskreading.Theyremainedlockedintheroom.Whetheritwilldousgoodremainstobeseen.=Itremainstobeseenwhetheritwilldousgood.用法总结：remainn./adj./doing/done/tobedone/介词短语Itremainstobeseenwhether••有待于观察； •・拭目以待【当堂检测】Task1单词拼写Onecannotexistwithoutair.Thenewmethodshesuggestedsoundedgoodintheory,butwerenotpracticalinuse.Theboatsankinaviolentstormatsea.Sheisunlikehermother;sheistallandhermotherisveryshort.Hiscarcrashedintoafence.Eachreligion（宗教）andeachculturehasitsownideasabouthowlifebeganonearth.Inoursolarsystem（系）eightplantscirclearoundthesun..Theatmosphere