外研版高中英语必修三Module4完全知识点.ppt

Module4SandstomsinAsia Introduction tornado hurricane NaturalDisasters earthquake sandstorm lightning volcaniceruption NorthAmerica CentralAfrica Australia CentralAsia B C A InnerMongolia Gansu Xinjiang majorsandstormcentersinChina GansuandWesternInnerMongolia BeijingandNortheastInnerMongolia Part Introduction 1 Vocabularyandwriting Therehasbeena Ithas fortenhoursandwasvery Thewindwas thesandhigharoundthehouse andsomecarswerecompletely bythesand sandstorm lasted frightening blowing buried Reading VocabularyLookatthephoto Answerthequestions Answers 1 Thereisasandstormblowing 2 They vewearinghoods masksandglassestoprotectthemselves Itmovesveryslowly Becauseitisnotcleartoseeeverythingontheroadandpeoplemusttakegreatcare 4 Stayathome Languagepoints1 majoradj 较大的 较多的 主要的 主修的 较重要的vi 主修 专攻n 主修课程 主修学生majorityn 大多数majorproblems主要问题themajorsubjects主修课程playamajorroleinsth 在某事中起重要作用majorinsth 主修a themajorityof 的大多数Thestudentsmajorinchemistry 这些学生主修化学 Themajorityofstudentswas wereindifferenttothepoliticalmeeting 大多数学生对政治会议漠不关心 major main chief 1 major意为 重大的 主要的 指在规模 数量 重要性方面超出同类的其他事物 2 main意为 主要的 强调事物的某一部分 分支的重要性 大小及潜力优于其他部分 分支 或表示整体中最主要 最明显的部分 通常只作定语 3 chief意为 主要的 首要的 强调在顺序 等级 重要性 价值方面高于其他所有同类事物 2 Theyareoftensothickthatyoucannotseethesun andthewindissometimesstrongenoughtomovesanddunes 沙尘暴经常是非常混浊的以至于你看不见太阳 而且风有时大得能够刮动沙丘 so that通常引导结果状语从句 意为 如此 以至于 常用句型如下 3 becaughtin被困于 遭遇Iamoftencaughtinaheavytrafficonmywaytoschool 我在上学路上常常遇到塞车 Medicalteamswerecaughtinthecrossfireoftheopposingarmies 医疗队陷入了敌军的交叉火力中 知识拓展 becaughtintheheavyrain snowstorm sandstorm traffic突然遭到大雨 暴风雪 沙尘暴 交通拥挤被 困住becaughtdoing被撞见做某事catchup 常与with连用 赶上 BetrappedinBestuckin catchupwith赶上catchon理解 流行 受欢迎 bepopularwith catchsightof看见catchone sattention吸引某人的注意catchholdof抓住catchfire着火 4 cutdown砍倒 使倒下 削减 压缩 减价Manybigtreesalongtheroadhavebeencutdownforbuildinghouses 路边的许多大树都被砍掉用来建房了 拓展 cutacross走捷径 穿过去cutin插话 让某人分享利润cutoff中止 切断 隔绝cutout删除 裁剪cutup劈碎 切碎 使难过 严重地 割伤cutshort突然停止 中断 活动 cutthrough穿过 克服 避开 剪断cutsth inhalf intwo将 对半切开 5 strengthn U 力量 力气 体力 实力 Hehasbeendoingweight trainingtobuilduphisstrength 他一直进行举重训练以增强体力 Muchofthecountry smilitarystrengthliesinitsmissileforce 这个国家的军事实力主要体现在导弹部队上 Theboyliftedthestonewithallhisstrength 男孩用尽全力举起了石头 withallone sstrength尽力onthestrengthofsth 凭借 或根据 某事物strengthenv 加强 轻巧辨析 force strength energy power 1 force主要指自然界的力量 暴力 势力以及法律 道德或感情的力量 效力 强制力 军事力量 武力等 2 strength说人时 指 力气 说物时 指 强度 3 energy主要指人生理上的精力或自然界中的能量 能源 4 power主要指做一件事所依靠的能力 功能 也可指人或机器等事物潜在或所能发挥出来的力量 还可指职权 权力 政权 也可指电力 动力 功率 6 prevent from 阻止 制止stopsb from doingsth 阻止某人做某事keepsb fromdoingsth 阻止某人做某事protectsb from 保护某人不受 侵袭 挡住 防御keepsb doingsth 让某人一直做某事提示 1 在被动句中from均不能省略 如 Wewerestopped prevented keptfromgoingoutbytheheavyrain 大雨使我们无法外出 2 protect from 中from后接能带来伤害或损害之物 如 Theyhuddledtogethertoprotectthemselvesfromthewind 他们挤在一起 免受风吹 7 haveaneffecton对 有影响Smokinghasabadeffectonhealth 吸烟对身体有不良影响 Theradiationleakhashadadisastrouseffecton upontheenvironment 核辐射泄漏给环境带来了灾难性的影响 与effect构成的短语beofnoeffect无效beineffect有效come gointoeffect生效put carry bringsth intoeffect使生效 实现takeeffect生效 开始发挥作用ineffect实际上 简直是 事实上 8 concernedadj 关心的 有关的 常用于名词之后 挂念的 担心的Eg Itisreportedthatthepopsingerisconcernedwithsellingdrugs 据报道 那个流行歌手涉嫌贩毒 I mabitconcernedabout foryourhealth 我有点担心你的健康 concernvt 涉及 关系到 n 利害 关系 关心concernfuladj 重要的concernedlyadv 担着心concerningprep 关于beconcernedabout over for关心 挂念beconcernedwith in牵涉到 与 有关as so faras isconcerned就 来说 就 而言show expressconcernabout对 表示关心 担心asconcerns concerning关于 9 urgentadj 紧急的 迫切的 非常重要的Thelawisinurgentneedofreform 这项法律亟待修订 Themosturgentthinginafireistomakesureeveryoneisoutofthebuilding 失火时最紧要的事是确保所有人都撤离大楼 知识链接 1 inurgentneedof急需anurgentlook急切的神情 2 urgencyn 紧急 迫切 3 urgevt 推进 极力主张 催促 激励urgesb todo 敦促某人做 urgesb intodoing 敦促某人做 urgesb against强烈反对urgesb on鼓励 激励 为 加油urge that从句强烈要求 极力主张 从句用虚拟语气 FinishtheexerciseatActivity2 Page33 Answers cycle v expert process citizen dust survive forecast situation FinishtheexerciseatActivity3 Page33 Answers BBAA FinishthetheexerciseatActivity4 Page33 Answers preventyou from seeingthesun strongenoughtomovesanddunes 2 heexperiencedaterriblesandstorm 3 becauseofdesertification 4 causedesertsandsand stormstoincrease 5 thethickdustmakesitdifficulttosee thedriverscannotseeclearly 6 preventthedesertcomingnearer Completethesesentences Activity5page331 Weatherexpertshavef anotherbigsandstorminaweek stime 2 It sf tobeoutsideinasandstorm 3 Iwasinaverybigsandstormsomeyearsago Luckily everyones 4 There salotofd onthefloor Weneedtosweepitaway 5 Desertificationisalongp thattakesmanyyears 6 ManyBeijingc cycletowork orcast ed rightening urvived ust rocess itizens Grammar1 1 Observation I mgladtomeetyou Sheinvitedmetoattendthemeeting Theboyisoldenoughtogotoschool to 动词原形表示主动 Grammar1 2 Observation Therewasnothingtobedone I dliketobetoldwhat sgoingon Nothingisallowedtobetakenoutofthereadingroom tobe 动词的过去分词表示被动 不定式一般式所表示的动作通常与谓语所表示的动作或状态同时发生 或在它之后发生 Grammar1 3 Observation Tobecyclinginasandstormisfrightening Theypretendedtobeworkinghardwhentheirbosspassedthem tobe 动词ing 不定式进行式表示动作正在进行 与谓语动词表示的动作同时发生 Grammar1 4 Observation I mtheonlypersoninmyfamilytohavebeeninasandstorm 2 Heisnotlikelytohavegotmyletter tohave 动词的过去分词 Grammar1 5 Observation Tohavebeencaughtinasandstormisaterribleexperience 2 Theroomwassaidtohavebeencleaned to havebeen 过去分词 不定式完成式所表示的动作在谓语动词所表示的动作之前发生 Grammar1 6 ExercisefinishtheexerciseatActivity2 Page34 Answers Itisdangeroustotravelduringasandstorm Expertshopetolearnmoreaboutthemovementofthunderstorms Weweretoldnottoleavethehouse Theworkonthehouseneedstobecompleted thework bytheendoftheweek Mosthousesseemtohavebeendestroyedbythestorm Grammar1 7 ExerciseFinishtheexerciseatActivity3 P34 Answers Itisfrighteningtowalkintheroadinasandstorm IhopeIreachhomesoon Expertshopetolearnmoreaboutthemovementofsandstorms I dliketobetoldaboutthesituationbeforenow Theworkneedstobecompletedbytheendoftheweek Myfatherwasoutofthecitywhenthesandstormcame Hewasverygladtohavemissedit Thebuildinghastobefinishedbytheendoftheyear Toseearealsandstormwasveryfrightening Listening VocabularyFinishtheexerciseatActivity1 Page35 Answers atmospheredamagechemicalenvironmentmeltrecyclecarbondioxidethePolesgarbagepollution Listening Vocabulary3 Numbering Answers EDCBA Listening Vocabulary AnsweringListentothetape thenfinishtheexerciseatActivity3 Page35 Answers TheclimateNewYorkandShanghai Becausepollutionisstoppingthesun sheatleavingtheatmosphere Carbondioxidefromcars Thereislessoxygenandmorecarbondioxideintheatmosphere 6 Optimistic Grammar2 Finishthefollowingexercises 1 IwaswatchinganinterestingTVprogramabouthowtomakedinnerslastnightwhenelectricitywasout andIcouldn t tothebed A butgoingB helpbuttogoC helpgoingD choosebutgo2 inaheavyrain Robertfellillandcouldn tbut foraleave A Caught toaskB Catching askC Catching toaskD Caught ask cannotbut V 动词原形 dobut V 动词原形 cannothelp choosebut V 动词原形 Grammar2 Finishthefollowingexercises 1 Hedoesnothingbut talk 2 Themancoulddonothingbut wait 3 Wehavenochoicebut wait 4 Theywantnothingbut succeed Howdi