2019-2020年高中英語人教版必修三Unit4單詞導(dǎo)學(xué)案(無答案)

2019-2020學(xué)年高中英語人教版必修三Unit4Astronomy:thescienceofthestarsWords【學(xué)習(xí)目標(biāo)】1、課前預(yù)習(xí)、記憶單詞，能夠會(huì)讀、會(huì)寫。2、通過查字典、小組合作探究，掌握單詞、詞組的用法。重重點(diǎn)難點(diǎn)】1、重點(diǎn)單詞：system,theory,violent,unlike,fundamental,harmful,multiply,exist,puzzle,crash,pull,float2、重點(diǎn)短語：intime,layeggs,givebirthto,inone'sturn,prevent-from,blockout,cheerup,nowthat,watchoutfor,breakout【自主學(xué)習(xí)］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.天文學(xué) astronomer天文學(xué)家systemn.［c］系統(tǒng)；體系；制度；方法systematicadj.有系統(tǒng)的；有條理的Thesolarsystem（太陽系）includesthesunanditseightplanets.太陽系包括太陽和它的八顆行星。Theeducationsystem（教育系統(tǒng)）operatesverydifferentlyintheUSandChina.Heintroducedusawell-designedrailwaysystem（鐵路系統(tǒng)）.religionn.宗教，宗教信仰 religiousadj.believeinreligion信教Youshouldn;ttalkaboutpoliticsorreligion. 你不應(yīng)該談?wù)撜魏妥诮?。theoryn.學(xué)說，理論intheory在理論上inpractice在實(shí)踐上puttheoryintopractice把理論付諸實(shí)踐Darwin'stheoryofevolutionI大爾文的I井化論theoryofrelativity相對(duì)論combinetheorywithpractice杷理論與實(shí)踐相結(jié)合Intheory,Iagreewithyou,butIfeelthatyourideaswouldnotworkinpractice.理論上，我同意你的意見，但實(shí)際上恐怕行不通。globaladj.globen.球，球狀物，地球儀theglobe地球，世界globaladj.Ifyoulookatthisglobe,youwillseewhereequatoris.如果看一下地球儀，你就會(huì)看到赤道在哪兒。atmospheren.c.n.&u.c.大氣層，氣氛，氛圍Thewastegoesintotheatmosphere.廢氣進(jìn)入大氣層。Thetopleadersofthetwocountriesareholdingtalksinafriendlyatmosphere.兩國領(lǐng)導(dǎo)人在友好的氣氛中進(jìn)行談判。violentadj.猛烈的，激烈的，強(qiáng)暴的violencen.answerviolencewithviolence以暴制暴violentbehavior暴力行為violentwinds猛烈的大風(fēng)Thestudentsareinvolvedinviolentdashes.學(xué)生們被卷入了暴力沖突。intime及時(shí)；遲早，終有一天You'llsucceedintimebecauseyouarealwaysworkinghard.IhopeyoucanarrivehereintimetoseeMr.Greenbeforeheleavesthisafternoon.Hewasintimetocatchthebus.=Hewasintimeforthebus.用法總結(jié)：intimetodo=intimeforsth.及時(shí)做…unlike adj.&prep.不同；不像一反義詞：like像；like vt. 喜歡 一反義詞dislike不喜歡Theyaresounlikethatnobodywouldbelievetheyweresisters.Unlikeme,mysisterlikestostayuplate.It'sunlikeTomtobelate.遲到不像他做的事。UnlikeJohn,Tomdislikesplayingfootball,doesn'the?不像約翰，湯姆不喜歡踢足球。Thetwinsareunlikeincharacter.性格不同。用法總結(jié)：It'sunlikesb.todosth. 做某事不像某人那樣fundamentaladj.基本的，基礎(chǔ)的Benmadeafundamentalmistake.本犯了一個(gè)根本性的錯(cuò)誤。Freshairisfundamentaltogoodhealth.Diligenceisfundamentaltosuccess.用法總結(jié)：befundamentaltosth對(duì)…必須的/關(guān)鍵的harmfuladj. 有害的；傷害的harmn.&vt.傷害(某人)beharmfultosb./sth.對(duì) 有害doharmtosb.=dosb.harm=harmsb.對(duì) 有害；傷害 Everyoneknowsthatsmokingisharmfultoyourhealth.Inmanycases,toomuchcareforchildrenfromparentsmightevendoharmtotheirgrowth.Readinginthesundoesalotofharmtoyoureyes.=Readinginthesundoesyoureyesalotofharm.=Readinginthesunisveryharmfultoyoureyes.在陽光下看書對(duì)你的眼睛傷害很大。

Thereisnoharmingoingtoschoolonfoot.做…并無害處。Manypeopleareawareoftheharmfuleffectsofsmoking.很多人都意識(shí)到吸煙的危害。chainn.鏈子；連鎖；鏈鎖；一系列，一連串a(chǎn)chainofevents/accidents/thoughts/misfortunes一連串事件/事故/想法/災(zāi)難achainreaction 連鎖反應(yīng)chainstores連鎖店chainstores連鎖店他們?cè)覕嗔碎T上的鏈條。他們?cè)覕嗔碎T上的鏈條。Theybrokethechainsonthedoors.Achainisnostrongerthanitsweakestlink.一環(huán)薄弱，全局必垮。multiplyvt.&vi.乘；增加；繁殖2multipliedby5is/makes10.Ourproblemshavemultipliedsincelastyear.Rabbitsmultiplyrapidly.Thechildrenarelearningtomultiplyanddivide.孩子們正在學(xué)習(xí)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.)努力工作會(huì)增加成功機(jī)會(huì)。用法總結(jié)：multiplyAbyBA乘以Bexistvi.存在；生存existencen.存在comeintoexistence/being產(chǎn)生Thereexist=Therebe…有 表存在existon=liveon靠 .生存exist+prep.存在于地方extinct=dieout消失，滅絕ThisplantexistsonlyinAustralia.Canyouexistonsuchalowsalary?Thereexistmanynaturalmysteriesintheworld.Idoubttheexistenceofalien(夕卜星人)Whendidthisworldcomeintoexistence?(產(chǎn)生)DoeslifeexistonMars?火星上有生命嗎？IcanhardlyexistonthewageI'mgettin直靠我掙的T資簡直難以糊口。ThisplantexistsonlyinAustralia.Canyouexistonsuchalowsalary?Mancan'existwithoutair.沒有空氣，人類無法生存自11)existsariverinmyhometown.A.ThereB.It C.TheD.We用法總結(jié)：existin…_存在于 中existon…一罪 生活（生存）Thereexist…—…存在著comeintoexistence開始存在；產(chǎn)生15.thus/thereforeadv.soadv./conj.因此；因血Wedon'townthebuilding.Thus,itwouldbeimpossibleforustomakeanylargechangestoit.這座樓不是我們的。因而，我們不能對(duì)它做太大改動(dòng)。Wefailedtofindenoughevidence;thusweconcludedthathewasinnocent.我們沒找到足夠的證據(jù)，因此我們推斷他是無辜的。Therehasbeennorainandthus/andtherefore/(and)sothecropsarelikelytosuffer.prevent???from阻止；制止Nothingcanpreventme(from)reachingmygoal(達(dá)至U目標(biāo)；成功)Shewaspreventedfromtakingtheexambyillness.用法總結(jié)： prevent…(from)=stop…(from)=keep....from阻止 做某事puzzle n.迷；又t題vt.&vi.(使)迷惑；(使)苦思；(使)為難 (情感動(dòng)詞)puzzledadj.無法了解的；困惑的puzzlingadj.令人費(fèi)解的Herdecisionwasapuzzletohim.Whatpuzzlesmeisnothisjob,buthisattitude.Shefeltpuzzledabout/overherfuture.Hisanswersounds.puzzling(puzzle)andweareallpuzzled(puzzle).Herreplypuzzledme.她的回答把我弄糊涂了。Theirreasonfordoingitisstillapuzzletome.他們?yōu)槭颤N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.用法總結(jié)： sth.puzzlesb.某事使某人困惑be/feelpuzzledabout/oversth.對(duì) 感到困惑或苦苦思索sb.bepuzzledby對(duì)…...困惑：不解solveapuzzle解決一個(gè)難題acrosswordpuzzle字謎gravity/pulln.萬有引力；重力Thereislittlegravitysothatthingsfloataround.(宇宙飛船)幾乎沒有引力，所以東西到處飄浮。Newton，slawofgravity牛頓的萬有引力定律gentleadj.溫和的，文雅的，溫柔的gentlyadv.gentlemann.先生，紳士gentleinvoice/action聲音溫柔，動(dòng)作優(yōu)美agentlesmile/voice/boy/breeze 溫柔笑/聲音、溫和的男孩/微風(fēng)Shehasagentlemannerofspeaking.她談吐文雅。climaten.氣候Theislandhasacoldclimate. 這個(gè)島上氣候寒冷。Theywantedtomovetoawarmerclimate. 他們想搬到氣候較溫暖的地區(qū)。crashvi.(1)飛機(jī)墜毀，汽車猛撞； crashinto(2)(發(fā)出巨大聲響)破碎，破裂(3)計(jì)算機(jī)死機(jī)，程序停止vt.使飛機(jī)墜落，使汽車沖撞n.aplanecrash 飛機(jī)失事Thenewsthattheplanehadcrashedmadeussad.飛機(jī)失事的消息讓我們非常難過。Hecrashedintotheotheryouthandtheybothlandedontheground.(撞上)Theplatecrashedtothefloor. 盤子嘩啦一聲摔碎在地上。Thecomputersthatweuseatthemomentareoldandslow,andtheyoftencrash我們現(xiàn)在使用的計(jì)算機(jī)又舊又慢，還經(jīng)常死機(jī)。Hecrashedhiscarintoawall. 他的車撞到墻上了。Astonecrashedthroughthewindow.石頭砸入了窗子。pullv.拉，拖，拔；移動(dòng)n.拉，拖；拉(弓I)力pullout(sth.)拉掉；使分離；掏出；駛離(車站)pullon穿，戴上(襪子、手套等)pulltogether同心協(xié)力；通力合作YoupushandI'pull.你來推，我來拉。Ifeltapullatmysleeveandturnedround.我覺得有人扯我的袖子一便轉(zhuǎn)過身來。Iarrivedasthelasttrainwaspullingout.(駛離車站)Hepulledoutagunandaimedatthecriminal.(拿出)Solongaswepulltogether,there'nomountaintopwecan 'tconquer.力)cheerup感到高興；感到振奮ThefanscheeredupwhentheysawtheirfavoritestarTomboughthisgirlfriendalargediamondringtocheerherup.用法總結(jié)： cheer(sb.)up(使某人)更高興；(使)振奮起來floatvi&vt(使)漂流，漂浮n.漂浮物Theyfloatthelogsdowntherivertothetowns. 他們使原木沿河漂流至城鎮(zhèn)。Woodfloatsonthewater. 木頭漂滓干水。Aballoonfloatedacrossthesky.一個(gè)氣球從空中飄過。Hefloatsfromtowntotown. 他從一個(gè)城市游蕩(漂)到另一個(gè)城鎮(zhèn)。remainlinkv.保持不變，仍是vi.剩下；留下Peterbecameamanager,butJackremainedaworker.Whateverachievementsyou'vemade,youshouainmodest.Hehadtoremaininhospitaluntilhewasbetter.Theguestscamein,butsheremainedsittingatthedeskreading.Theyremainedlockedintheroom.Whetheritwilldousgoodremainstobeseen.=Itremainstobeseenwhetheritwilldousgood.用法總結(jié)：remainn./adj./doing/done/tobedone/介詞短語Itremainstobeseenwhether??有待于觀察； ??拭目以待【當(dāng)堂檢測】Task1單詞拼寫Onecannotexistwithoutair.Thenewmethodshesuggestedsoundedgoodintheory,butwerenotpracticalinuse.Theboatsankinaviolentstormatsea.Sheisunlikehermother;sheistallandhermotherisveryshort.Hiscarcrashedintoafence.Eachreligion（宗教）andeachculturehasitsownideasabouthowlifebeganonearth.Inoursolarsystem（系）eightplantscirclearoundthesun..Theatmosphere