M3U4(知识点梳理)课件.ppt

Reading Selectively or Extensively Some people think that one should choose useful books. For one thing, ones energy is limited. For another, some books have bad effects. All these make it necessary for one to read selectively. Some others have just the opposite opinion. They consider it unnecessary to read selectively. First of all, one can get different knowledge from different books. Besides, reading extentively can help us fight against the bad effects of some books. As far as I am concerned, I am undoubtedly in favor of reading extentively. There are two reasons for this. The first reason is that it can enlarge my knowledge. The other is that I can know the world roundly. So I prefer to rad extentively and believe it will bring much good to me.,Reading Sel,必修三,Unit 4 Astronomy: the science of the stars,必修三Unit 4 Astronomy:,1. according to =in the light of 根据， 介词短语,根据我们的调查，城市汽车的数量急剧增加。 , the number of cars in the city has increaded rapidly.,According to our survey,According to scientists research, water is fundamental to life.,1. according to =in the light,2. Water is fundamental to the development of life.,基本的,根本的 ,重要的1.The fundamental cause of his success is his hard work. 2. A knowledge of economics is fundamental to anyunderstanding of this problem. 经济知识对于理解这个问题是至关重要的。,他成功的根本原因是他工作努力。,2. Water is fundamental to the,The wife suffered a lot from domestic _(家庭暴力). Her husband was a _ (粗暴的) man. He often beat the poor wife _(猛烈地,粗暴地). One day, there was a _(狂风 ) wind. Luckily or unluckily, the husband died a _ death (惨遭横死).,3.violent violence violently,violence,violent,violently,violent,violent,The wife suffered a lot fro,It is a tradition in China to _ fireworks to celebrate the Spring Festival. But some fireworks may be highly _. The _ may get people seriously burnt. So we can often see some parents _ in/with anger when seeing their children playing with fireworks.,explode,explosive,explosion,explode,4. explode v. explosion n. explosive adj.,It is a tradition in China,1)Fred and Jim did not like each other at first, but in time they became friends. 2)We were just in time for the bus.3)You will realize how your parents love you in time.,及时; 最终; 总有一天;,及时,5.in time,sooner or later,eventually,联想：填入适当的词，完成下列短语。(1)_ times 有时(2)_ the time 一直(3)at _ time 一次 (4)at _ time曾经(5)at the _ time 同时(6)_ time _time 不时，偶尔(7)_ the first time 第一次(8)in _ time立刻(9)_ the times过时的(10)_ the time being暂时的,at,all,a,same,from to,for,no,behind,for,one,曾经， 我对英语学习失去了兴趣，但是我的老师经常对我说，“继续努力，你总有一天会成功的。”,At one time ， I lost heart in English learning， but my teacher said to me，“Keep on working hard， and youll succeed in time.”,1)Fred and Jim did not like ea,M3U4(知识点梳理)课件,（1） 大气层1)地球的大气层包括水蒸气、二氧化碳、氧气、氮气和其他气体。The earths atmosphere includes 、 、 、 and other gases. （2） 气氛,氛围2) Completely lost in the exciting of the football match, Tom didnt feel his pocket picked.A scene B view C atmosphere D sight,water vapour,nitrogen,carbon dioxide,oxygen,6. atmosphere n.,（1,会议在友好的氛围中进行.创造良好的学习氛围很重要.,The meeting was held in a friendly atmosphere,Its very important to create a good atmosphere for your study,会议在友好的氛围中进行.The meeting was he,existence n.,come into existence,exist on 靠为生,exist in 存在于之中,1)Does life _ (存在) on Mars?2)When did the world _ (产生) ?3)He doesnt believe in the _ of God? A. life B. exist C. existence D. exhibition4) I can hardly exist _ the wage Im getting. Theres no more money left for luxuries. A. by B. in C. on D. into,exist,come into existence,7. exist vi.,existence e into existen,late,adj. 迟到的，晚的；前任的；,later,adv. 后来，adj. late的比较级,latest,adj. 最新的,lately,adv. =recently 近来,1) Mr. Zhu Rongji is the_ Prime Minister of China.,3) She said she would ring you _ this morning.,5) Its only _ that she has been well enough to go out.,2) He is often _ for school.,4) Have you heard about the _ news?,8. later,late,late,later,latest,lately,late adj. 迟到的，晚的；前任的； later,9. turn,turn toturn intoturn inturn offturn onturn upturn down,8. turn over9. turn out to be10. take ones turn11. in ones turn12. in turn,9. turnturn to8. turn over,10. harmful,工厂排放的有毒气体对环境有害.,Poisonous gased given out from the factories are harmful to the environment.,医生警告我暴晒会伤害皮肤.,The doctor warned me that too much sunshine would do harm to my skin.,Dont harm your eyes by reading in the dim light.,别在昏暗的光线下看书, 这样会伤害你的眼睛.,熟记下列搭配。be harmful to对有害do harm to sb. =do sb. harm对某人有害处do more harm than good 弊多利少come to no harm 没受损害,10. harmful工厂排放的有毒气体对环境有害.Pois,11. spread 传播, 伸展, 展开,I spread my arm as far apart as I could.Mom spread a new table cloth on the table.She was told not to spread this secret around.A wide stretch of land spreads in front of us.,我尽可能地将双臂展开.,我们面前是一片广阔的土地.,spread extend expandCant you _ your visit for a few days?2. The fire _ from the factory to the warehouse nearby.3. He is thinking of _ his business.4. The tourism season _ from May till October.,extend,extends,spread,expanding,伸出,延伸,指长度 宽度以及时间的延长,伸开,传播,指向四面八方传播(疾病),散布(消息),扩大,指尺寸,范围和体积的扩大,11. spread 传播, 伸展, 展开I sp,12. puzzle 使迷惑,_ puzzle sb._ be puzzled about sth._ be puzzling,The murder case _ _ _ _ _.(仍然让警察很困惑)I have been sitting here _ _ _ _ (苦苦思索该怎么办).The deeper meaning of the poem remains a puzzle.,continued to puzzle the police.,puzzling what to do,谜, 难题,sth,sb,sth,12. puzzle 使迷惑_ pu,13. prevent from,In order to prevent ourselves from infection with the Bird flu, we should pay much attention to our diet.,我们必须防止大火蔓延.,We must prevent fire from spreading.,prevent sb. (from) doingstop sb. (from) doingkeep sb. from doing,The plan will be prevented from _.A. carry out B. to carry out C.carrying out D. being carried out,D,We prevent the pollution_ our people happy.A. from making B. making C. to make D. made,C,在被动语态中,from不能省略.,13. prevent fromIn order to p,14. cheer up (使)高兴起来，振奋起来Your presence cheered him up. Cheer up! Our troubles will soon be over. 运用：翻译下列句子。想办法高兴点儿, 生活并不是那么糟!_,Try and cheer up a bit; life isnt that bad!,I went to cheer our team on.,加油,14. cheer up (使)高兴起来，振奋起来Try a,15. depend on 取决于，信任，信赖；You have to prepare the next question depending on what the person says. 搭配：熟记下列词组或句式搭配。depend on/ upon sb./sth. to do sth. 指望着某人/某物做某事depend on it that相信，指望That ( all ) depends.= It (all) depends 视情况而定,Im planning to hold a party in the open air, but I can make no guarantees because it _ the weather. A. links with B. depends on C. connects to D. decide on,Im planning to hold a party i,16. force n.力量，暴力 复军队 vt.强制，强迫The policemen forced the criminals to give up their arms.警察迫使罪犯放下武器。搭配：熟记下列词组或句式搭配。force sb. to do sth./force sb.into (doing) sth. 强迫某人做某事force ones way into the house 强行闯入这座房子force ones way through the crowd 强行挤过人群force ones way in/out 挤进/出force a smile 强作笑容force the door open 用力把门撞开make a forced landing(飞机)迫降by force 用武力或暴力,16. force n.力量，暴力 复军队 vt.强制,16. now that 由于，既然(=since)Now that the kids have left home, weve got a lot of extra space.孩子们都离开家了，我们住着就更宽敞了运用：根据汉语意思完成英文句子。(1)既然你长大了，就不应该依靠你的父母。_, you should not rely on your parents. (2)既然已完成了工作,你就应该好好休息一下。You ought to have a good rest _.,Now that you grow up,now that youve finished the work.,16. now that 由于，既然(=since)Now,now that,now that,1. 及时，最终2. 冷静，冷却3.对有害4. 下蛋5. 导致,生(孩子)6.轮到某人7. 阻止干8. 挡住(光线)9. 出发去某地10. 欢呼, 感到高兴11.既然12.(火灾/战争)爆发13. 小心,当心,1.in time,2.cool down,3.be harmful to,4.lay eggs,5.give birth to,6.in ones turn,7.prevent.from,8.block out,9.be off for/ set off for / leave for,10.cheer up,11.now that,12.break out,13.watch out for,Useful expressions,1. 及时，最终1.in time2.cool down3.,翻译：这种细胞已经变得有那种细胞的三倍大了This cell has become _ that one.2) This cell has become _ that one.3) This cell has become _ that one.,three times as large as,twice larger than,three times the size of,翻译：three times as large astwi,