新人教选修六Unit5ThepowerofnatureLanguagepoints课件.ppt

1、Language points1.Have you ever considered how weak humans are compared with a volcano,hurricane or earthquake?你是否想过，你是否想过，和火山，飓风或地震和火山，飓风或地震 相比人类是何等脆弱。相比人类是何等脆弱。consider 思考思考,主要用于：主要用于：consider+名词名词/-ing形式形式:He is considering studying abroad.他正在考虑出国留学。他正在考虑出国留学。consider+wh-:We considered how we shou

2、ld help them.我们仔细考虑应该如何帮助他们。我们仔细考虑应该如何帮助他们。consider+副词：副词：Consider carefully before you decide.要慎重考虑后再作决定。要慎重考虑后再作决定。2.Do you enjoy taking risks?risk n.风险，危险：风险，危险：He was taking a risk by overtaking on a bend.他在转弯处超车是在冒风险。他在转弯处超车是在冒风险。The house is a fire risk.这房子有起火的危险。这房子有起火的危险。短语联想：短语联想：at risk 在危

3、险中在危险中:You are at risk if you dont wear a seat belt.不系安全带真的会有危险。不系安全带真的会有危险。at the risk of 冒冒危险危险At the risk of seeming rude,I must refused your request,Im afraid.尽管似乎无理，恐怕我还是必须拒尽管似乎无理，恐怕我还是必须拒绝你的要求。绝你的要求。3.Having collected and evaluated the information,I help other scientists to predict where lava

4、from the volcano will flow next and how fast.考点考点 Having collected and evaluated是是动词动词-ing形式的完成式，说明它表示的动形式的完成式，说明它表示的动作在主要谓语表示的动作之前发生。作在主要谓语表示的动作之前发生。考例考例1 The storm left,_ a lot of damage to this area.(2005全国卷全国卷I)A.caused B.to have caused C.to cause D.having caused 点拨点拨“暴风雨破坏暴风雨破坏”这个动作发生在这个动作发生在le

5、ft之前，故用动词之前，故用动词-ing形式的完成式。形式的完成式。考例考例2 _ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.(北京北京2004)A.To wait B.Have waited C.Having waited D.To have waited 点拨点拨 此处强调已等了半个小时，然后才此处强调已等了半个小时，然后才意识到没带钱包，故用动词意识到没带钱包，故用动词-ing形式的完形式的完成式。成式。4.Many houses have been co

6、vered with lava or burned to the ground.许多房屋被熔岩覆盖或烧毁。许多房屋被熔岩覆盖或烧毁。burn to the ground 指楼等被烧毁指楼等被烧毁 He has no place to live in because his house has been burnt to the ground.他无处栖身因为他的房子被烧掉了。他无处栖身因为他的房子被烧掉了。短语联想：短语联想：burn away 烧掉烧掉The wood had burnt away to nothing.木头已烧成灰烬。木头已烧成灰烬。burn down(建筑物建筑物)烧毁：烧

7、毁：The cinema burnt down last year.电影院去年被烧毁了。电影院去年被烧毁了。The school was burnt down by vandals.学校被人纵火烧毁了。学校被人纵火烧毁了。burn off 烧掉烧掉He was badly injured in the accident,and his hair was burnt off.他在事故中严重受伤，头发也被烧掉了。他在事故中严重受伤，头发也被烧掉了。burn out 烧坏烧坏The engine had burnt out.引擎给烧坏了。引擎给烧坏了。burn up 烧毁，燃得更亮烧毁，燃得更亮/旺

8、旺 The rocket burnt up when it reentered the earths atmosphere.火箭重入地球大气层时烧毁。火箭重入地球大气层时烧毁。He put more wood in the fire to make it burn up.他往火上加木材想让他烧的更旺。他往火上加木材想让他烧的更旺。5.Having earlier collected special clothes from the observatory,we put them on before we went any closer.考点考点 earlier是副词是副词early的比较级，意

9、的比较级，意为为“早些早些”。考例考例 The new group of students is better-behaved than the other group who stayed here _.(北京北京2007)A.early B.earlierC.earliest D.the earliest6.We slowly made our way to the edge of the crater.我们慢慢向走火山口的边缘。我们慢慢向走火山口的边缘。make ones way （向某地）走（去）（向某地）走（去）She hesitated,but made her way forwa

10、rd.她犹豫了一下，但向前走去。她犹豫了一下，但向前走去。She hastily left the room,and made herway to her bed.她迅速离开房间，朝她床边走去。她迅速离开房间，朝她床边走去。短语比较：短语比较：make ones way 还表示还表示“有出息有出息”If you want to make your way in the world,you must learn to work hard while you are still young.你若想要有出息，趁年轻的时候要学会你若想要有出息，趁年轻的时候要学会发奋。发奋。make way(for)让

11、路，让位让路，让位All the traffic has to make way for a fire engine.所有的车辆都得给救火车让道。所有的车辆都得给救火车让道。I shall make way for a younger man.我将把职位让给更年轻的人。我将把职位让给更年轻的人。7.Today,I am just as enthusiastic about my job as the day I first started.如今，如今，我和开始从事这项工作时我和开始从事这项工作时 一样满怀热情。一样满怀热情。enthusiastic(about)感兴趣的，热心的感兴趣的，热心的

12、 She seemed enthusiastic about the idea.她好象对这个主意很感兴趣。她好象对这个主意很感兴趣。We got an enthusiastic response from our customers.我们得到了顾客们的热情反应。我们得到了顾客们的热情反应。I.根据下列各句句意及所给单词的首字根据下列各句句意及所给单词的首字母或汉语提示母或汉语提示,写出各单词的正确形式。写出各单词的正确形式。1.You should be able to e_ your own work.2.It was u_ that Larry broke his leg on the f

13、irst day of the holiday.valuatenfortunate3.“Youre wrong,”she said with a_ certainty.4.I am very surprised that she has so many f_ dreams.5.The parks of this city are famous for their beautiful _(喷泉喷泉).6.The _(潜在的潜在的)side effects of the drug are unknown.bsoluteantasticfountainspotentialII.用所给词的适当形式填空

14、。用所给词的适当形式填空。1.She is especially _(excite)at the news that her daughter got the first in the competition.2.His long and _(bore)speech made everyone sleepy.3.The rich variety of animal life we found was very _(impress).excitedboringimpressive4._(fortunate),three people died and a lot of people were i

15、njured in the accident.5.We need to carry out a proper _(evaluate)of the new system.6.He believes _(absolute)that a man with preparation will succeed sooner or later.Unfortunatelyevaluationabsolutely7.The _(erupt)of a volcano makes many people lose their lives.8.Dad always falls _(sleep)in front of

16、the TV after Sunday lunch.eruptionasleepIII.用适当的介词或副词填空。用适当的介词或副词填空。1._ the distance,he could see the tall chimneys of the factory.2.Use an umbrella to protect yourself _ the rain.3.The mountain was covered _ snow all the year round.Infromwith/by4.Enough lava had erupted _ the volcano to bury the wh

17、ole village.5.Buses were destroyed and a tourist hotel was burned _ the ground,although no holidaymakers were injured.6.Mary quickly moved out _ the way,and Donald lifted a box down.fromtoof7.Students _ all over the world come to study at Oxford.8.It was my first sight _ old Green dancing with a gir

18、l of sixteen.9.He had put _ his best clothes for this morning call.10.All the staff are enthusiastic _ the project.fromofonaboutIV.下列各句均有一处错误，请指出并改下列各句均有一处错误，请指出并改正。正。1.He was about to leave the room while the telephone rang.2.Help is in the way to the people who are struck by the flood.whenon3.He w

19、orked late into the night,prepared a long speech.4.The girl told us the whole thing in an exciting voice.5.As though hes 24 now,hes still like a little child.preparingexcited EvenV.用所给短语的适当形式完成句子。用所给短语的适当形式完成句子。burn to the ground;have a closer look at;make ones way;fast asleep;feel alive;be about to

20、;protect.from.;take notice of;be enthusiastic about;be amazed at1.I _ the coat and decided it wasnt worth 50.had a closer look at2.After the fire,his house _.3.On Friday,guys _ talking about where they are going for the weekend.4.It was the kind of morning when you wake up and _.5.Though it was dark

21、,we _ to the village.(was)burned to the groundare enthusiastic aboutfeel alivemade our way6.As I leave the car,I see that the little boy is _.7.She _ how quickly Carla seemed to get over what had happened to her.8.The laws are designed to _ consumers _ unsafe products.fast asleepwas amazed atprotect

22、from9.We _ leave when Jerry arrived.10.I hope youll _ what Im going to tell you.were about totake notice ofVI.每空填一词每空填一词,使该句与所给句子的使该句与所给句子的意思相同。意思相同。1.The doctors are very excited by the discovery.The discovery _ very much.excites the doctors2.As time goes on,the students in Grade 3 will win the mat

23、ch.With _,the students in Grade 3 will win the match.3.I could have been here an hour ago,but unluckily I missed the train.I could have been here an hour ago,but _ I missed the train.time going onunfortunately4.I was coming along to see you,but at that time I ran into Jack.I was coming along to see

24、you _ I ran into Jack.5.His collection of paintings has a strong impression on us.His collection of paintings _ very much.whenimpresses us6.Many villages were completely ruined after the big fire.Many villages were _ _ after the big fire.burned tothe groundVII.根据括号内的提示将下列句子翻译根据括号内的提示将下列句子翻译成英语。成英语。1

25、.我正要出去我正要出去,天就开始下雨。天就开始下雨。(be about to do)I was about to go out when it began to rain.2.我爬到山顶我爬到山顶,这样能很清楚地看到远处这样能很清楚地看到远处的村庄。的村庄。(in the distance)3.我们很吃惊地看到她有了小孩后的变我们很吃惊地看到她有了小孩后的变化。化。(be amazed at)I climbed up the hill so as to see the village clearly in the distance.We were amazed at her changing

26、after she had a baby.4.他尽可能快地跑他尽可能快地跑,以免被熊攻击。以免被熊攻击。(as.as possible)5.学了一会儿，他向他的床走去。学了一会儿，他向他的床走去。(make ones way to)He ran as quickly as possible to avoid being attacked by the bear.After studying for a while,he made his way to his bed.1.Finish exercise 1&2 on P71.2.Underline sentences in the reading passage that use the ing form.Homework