外研版高中英语必修三Module4完全知识点.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Introduction,tornado,hurricane,Natural Disasters,earthquake,sandstorm,lightning,volcanic eruption,B,C,D,A,North America,Central Africa,Australia,Central Asia,B,C,A,Inner Mongolia,Gansu,Xinjiang,major sandstorm centers in China,Gansu and Western Inner Mongolia,Beijing and Northeast Inner Mongolia,Part,Introduction-1.Vocabulary and writing,Therehas been a _.It has_for ten hours and was very_.,The wind was_the sand high around the house.,and some cars were,completely_by the sand,sandstorm,lasted,frightening,blowing,buried,Reading&Vocabulary,Look at the photo.Answer the questions.,Answers:,1.There is a sandstorm blowing.,2.Theyve wearing hoods,masks and,glasses to protect themselves.,It moves very slowly.Because it is not,clear to see everything on the road and,people must take great care.,4.Stay at home.,Language points,1,major adj.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majority n.大多数,major problems 主要问题the major subjects 主修课程play a major role in sth.在某事中起重要作用major in sth.主修a/the majority of.,的大多数,The students major in chemistry.这些学生主修化学。The majority of students was/were indifferent to the political meeting.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.They are often so thick that you cannot see the sun，and the wind is sometimes strong enough to move sand dunes.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,be caught in,被困于，遭遇,I am often caught in a heavy traffic on my way to school.,我在上学路上常常遇到塞车。,Medical teams were caught in the crossfire of the opposing armies.,医疗队陷入了敌军的交叉火力中。,【知识拓展】,be caught in the heavy rain/snowstorm/sandstorm/traffic,突然遭到大雨/暴风雪/沙尘暴/交通拥挤,被,困住,be caught doing被撞见做某事,catch up(常与with连用)赶上,Be trapped in,Be stuck in,catch up with赶上,catch on理解，流行，受欢迎(=be popular with),catch sight of看见,catch one,s attention吸引某人的注意,catch hold of抓住,catch fire着火,4.cut down,砍倒，使倒下；削减，压缩；减价,Many big trees along the road have been cut down for building houses.路边的许多大树都被砍掉用来建房了。,拓展：,cut across,走捷径，穿过去,cut in,插话；让某人分享利润,cut off,中止，切断；隔绝,cut out,删除；裁剪,cut up,劈碎，切碎；使难过；,(,严重地,),割伤,cut short,突然停止，中断,(,活动,)cut through,穿过；克服；避开；剪断,cut sth.in half/in two将对半切开,5,strength,n,U,力量；力气；体力；实力,He has been doing weighttraining to build up his strength.,他一直进行举重训练以增强体力。,Much of the countrys military strength lies in its missile force.,这个国家的军事实力主要体现在导弹部队上。,The boy lifted the stone with all his strength.男孩用尽全力举起了石头。,with all ones strength尽力,on the strength of sth.凭借(或根据)某事物,strengthen,v,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,stop sb.(from)doing sth.阻止某人做某事keep sb.from doing sth.阻止某人做某事protect sb.from.保护某人不受,侵袭,，,挡住,，,防御keep sb.doing sth.让某人一直做某事,提示：,(1),在被动句中,from,均不能省略。如：,We were stopped/prevented/kept from going out by the heavy rain.,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：,They huddled together to protect themselves from the wind.,他们挤在一起，免受风吹。,7,have an effect on,对,有影响,Smoking has a bad effect on health.,吸烟对身体有不良影响。,The radiation leak has had a disastrous effect on/upon the environment.,核辐射泄漏给环境带来了灾难性的影响。,与effect构成的短语,be of no effect无效,be in effect有效,come/go into effect生效,put/carry/bring sth.into effect使生效、实现,take effect生效；开始发挥作用,in effect实际上；简直是；事实上,8,concerned,adj,.,关心的，有关的常用于名词之后；挂念的，担心的,Eg:It is reported that the pop singer is concerned with selling drugs.,据报道，那个流行歌手涉嫌贩毒。,Im a bit concerned about/for your health.,我有点担心你的健康。,concern,v,t,.涉及，关系到；,n,.(利害)关系，关心,concernful,adj,.重要的,concernedly,ad,v,.担着心,concerning,prep,.关于,be concerned about/over/for关心，挂念,be concerned with/in牵涉到，与,有关,as(so)far as.is concerned就,来说；就,而言,show/express concern about对,表示关心/担心,as concerns=concerning关于,9,urgent,adj,.,紧急的；迫切的；非常重要的,The law is in urgent need of reform.这项法律亟待修订。,The most urgent thing in a fire is to make sure everyone is out of the building.,失火时最紧要的事是确保所有人都撤离大楼。,【知识链接】,(1)in urgent need of急需,an urgent look急切的神情,(2)urgency,n,紧急；迫切,(3)urge,vt,.推进；极力主张；催促；激励,urge sb.to do.敦促某人做,urge sb.into doing.敦促某人做,urge sb.against强烈反对,urge sb.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),Finish the exercise at Activity 2,Page 33.,Answers:,_,_,_,_,_,_,_,_,cycle,(v),expert,process,citizen,dust,survive,forecast,situation,Finish the exercise at Activity 3,Page 33.,Answers:,_,_,_,_,B,B,A,A,Finish the the exercise at Activity 4,Page33.,Answers:,prevent you(from)seeing the sun/strong,enough to move sand dunes.,2.he experienced a terrible sandstorm.,3.because of desertification.,4.cause deserts and sand-storms to increase.,5.the thick dust makes it difficult to see/the drivers cannot see clearly.,6.prevent the desert coming nearer.,Complete these sentences:,Activity 5,page33,1.Weather experts have f_ another big sandstorm in a weeks time.,2.Its f_ to be outside in a sandstorm.,3.I was in a very big sandstorm some years ago.Luckily,everyone s_.,4.Theres a lot of d_ on the floor.We need to sweep it away.,5.Desertification is a long p_ that takes many years.,6.Many Beijing c_ cycle to work.,orcast,(,ed,),rightening,urvived,ust,rocess,itizens,Grammar 1-1.Observation,Im glad to meet you.,She invited me to attend the meeting.,The boy is old enough to go to school.,to+动词原形表示主动,Grammar 1-2.Observation,There was nothing to be done.,Id like to be told whats going on.,Nothing is allowed to be taken out of the,reading room.,to be+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。,Grammar 1-3.Observation,To be cycling in a sandstorm is frightening.,They pretended to be working hard when their,boss passed them.,to be+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。,Grammar 1-4.Observation,Im the only person in my family to have been,in a sandstorm.,2.He is not likely to have got my letter.,to have+动词的过去分词,Grammar 1-5.Observation,To have been caught in a sandstorm is a terrible,experience.,2.The room was said to have been cleaned.,to+have been+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。,Grammar 1-6.Exercise,finish the exercise at Activity 2,Page 34.,Answers:,It is dangerous to,travel during a sandstorm,.,Experts hope to,learn more about the movement of thunderstorms,.,We were told not,to leave the house,.,The work on the house needs to,be completed(the work)by the end of the week,.,Most houses seem,to have been destroyed by the storm,.,Grammar 1-7.Exercise,Finish the exercise at Activity 3,P34.,Answers:,It is frightening,to walk,in the road in a sandstorm.I hope I reach home soon.,Experts hope,to learn,more about the movement of sandstorms.,Id like,to be told,about the situation before now.,The work needs,to be completed,by the end of the week.,My father was out of the city when the sandstorm came.He was very glad,to have missed,it.,The building has,to be finished,by the end of the year.,To see,a real sandstorm was very frightening.,Listening&Vocabulary,Finish the exercise at Activity 1,Page 35.,Answers:,_,_,_,_,_,_,_,_,_,_,atmosphere,damage,chemical,environment,melt,recycle,carbon dioxide,the Poles,garbage,pollution,Listening&Vocabulary3.Numbering,Answers:,E,D,C,B,A,Listening&Vocabulary-Answering,Listen to the tape,then finish the exercise at Activity 3,Page 35.,Answers:,The climate,New York and Shanghai.,Because pollution is stopping the suns heat,leaving the atmosphere.,Carbon dioxide from cars.,There is less oxygen and more carbon dioxide,in the atmosphere.,6.Optimistic.,Grammar 2。Finish the following exercises,1.I was watching an interesting TV program about how to make dinners last night when electricity was out,and I couldnt _ to the bed.,A.but goingB.help but to go,C.help goingD.choose but go,2._ in a heavy rain,Robert fell ill and couldnt but _ for a leave.,A.Caught,to askB.Catching,ask,C.Catching,to askD.Caught,ask,cannot,but+V,.（动词原形）;do,but+V,.（动词原形）,cannot help/choose,but+V,.（动词原形）,Grammar 2。Finish the following exercises,1.He does nothing but _(talk).,2.The man could do nothing but _(wait).,3.We have no choice but _(wait).,4.They want nothing but _(succeed).,How did you spend your weekend,Joe?,I didnt find anything interesting for me _ some washing instead of my mother.,A.but didB.but do,C.but doingD.but to do,talk,wait,to wait,to succeed,如果主动词是do的任一形式的话，but 后面就省略to（有DO就没TO）,Function,agreements,disagreements,I couldnt agree with you more.,I think youre absolutely right.,I disagree with you all.,I am afraid I cannot agree with you.,I dont think so.,Function Exercise,Fill the blank with the phrases we learnt just now.,A:We need to plant more trees.,B:_,_,2._The traffic in this city just doesnt move.,3.A:People dont care enough about the environment.,B:_ _,4._I cant see anything.Theres sand everywhere.,I couldnt agree with you more./I think youre absolutely right.,It couldnt be worse./Its absolutely hopeless,.,I couldnt agree with you more./I think youre absolutely right.,It couldnt be worse./Its absolutely hopeless.,Everyday English,B,A,B,A,A,Answers:,Goodbye,