人教新课标高中英语必修3_u演示课件

1、1,Unit 4Astronomy: the science of the stars,漫 画 欣 赏,2,画 面 描 述,寓 意 理 解,你能否对此加以扩展，写一篇120词左右的小短文？,Two goats are tied to each other with a rope.They both see some grass in opposite directions，and try to pull to get their own food.However the rope is too short to allow them to eat their food.,Cooperation

2、 is better than conflict.Our goal is not that we get something and the other gets nothing，but that all people get what they want.Thus，cooperation will benefit everyone.,3,短文填空 根据课文HOW LIFE BEGAN ON THE EARTH完成下列短文 The earth was just a cloud of _ after the “Big Bang”. The earth loudly with fire and r

3、ock. They were to produce many things，which were to make the earths atmosphere. As the earth cooled down，water began to appear on its surface. It allowed the earth to dissolve gases. Then life began to develop.,dust,exploded,in time,hamful,4,Small plants and filled the first oceans and seas with oxy

4、gen. This encouraged the of early shellfish and fish. Land animals such as insects，reptiles and dinosaurs appeared after green plants appeared. Small clever animals all over the earth. They are putting carbon dioxide into the atmosphere，which heat from the earth into space. Whether life will continu

5、e on the earth from millions of years to come will whether this problem can be solved.,multiplied,development,spread,too much,prevents,depend on,5,.单词拼写 根据首字母或者汉语注释写出单词的正确形式。 1Im in a _(迷惑) as to how to cope with the new situation. 2He would never be _(有害的) to anyone. 3One _(理论) about the moon is th

6、at it is a piece broken off the earth. 4The ants were _(拖) pieces of corn.,puzzle,harmful,theory,pulling,6,5Our English teacher is a man of _(宗教信仰) 6Students should pay special attention to (基础) science. 7A balloon f in the wind. 8If you m five by six，youll get thirty. 9In this v conflict，about 20 c

7、ommon people died. 10Man cant live without water and o .,religion,fundamental,loated,ultiply,iolent,xygen,7,.短语填空 1Dont worryIm sure things will get better _. 2We congratulated her on a fine healthy baby. 3Now that we have finished designing，the company， ，should do the constructing work. 4The wall a

8、ll the light.It should be pulled down.,in time,giving birth to,in its turn,blocks out,8,5She told her child to when he was crossing the street. 6Using the computer isnt difficult once you it. 7_ you are grownup，you should not rely on your parents. 8Should another world war _，what would become of hum

9、an beings? 9The crowd when they saw the teams arrive. 10Tell the children not to the cave.,watch out,get the hang of,Now that,break out,cheered up,get close to,9,.完成句子 1 (随着地球的冷却)，water began to appear on its surface.(cool) 2Whether life will continue on the earth for millions of years to come will

10、_ (取决于这个问题能否得到解决)(depend) 3Walking does need a bit of practice (因为引力改变了)(now),As the earth cooled down,depend on whether this problem can be solved,now that gravity has changed,10,.模仿造句 1What if was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a soli

11、d globe.(P25， L78) be to do.必将会做 翻译年轻时，他不知道自己以后会举世闻名。 _ .,As a young man he didnt know he was to win world fame,later on.,11,2They were in time to produce carbon，nitrogen，water vapour and other gases，which were to make the earths atmosphere.(P25，L11) in time to do sth.来得及干某事 翻译我们正好赶上了早班车 _ 3They are

12、 putting too much carbon dioxide into the atmosphere，which prevents heat from escaping from the earth into space.(P25，L4849) prevent.(from) doing.阻止某人干某事；防止某事发生 翻译他的头痛没有阻止他第二天去上课。 _,We were in time to catch the early bus.,His headache did not prevent him(from) going to class the next day.,12,4Last m

13、onth I was lucky enough to have a chance to make a trip into space with my friend Li Yanping，an astronomer.(P30，L23) beadj.enoughto do足以做 翻译这个男孩子的年龄足够大了，能参军了。 _ 5But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.(P31，Para.3) twice as.as.是的两倍 翻译他跑起来速度比我

14、快一倍。 _,The boy is old enough to join the army.,He runs twice as fast as I.,13,6“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.”(P31，Para.3) now that.既然/由于 翻译既然大家都到了，咱们开会吧。 _,Now that everyone is here，lets begin our meeting.,14,核心词汇梳理,1unlike prep. 与不同；不像；非的特征 归纳

15、 (1)be unlike.相当于be different from. (2)unlike sth./sb.位于句首，常用于表示对比。 (3)unlike的反义词为like。运用：完成句子,15,(1)音乐与其他艺术形式不同。 Music is quite . (2)本系统与多数系统不同，极易安装。 _，this one is very easy to install. (3)迟到这么久可实在不像他平时的作风。 _ to be so late.,unlike any other art form,Unlike most systems,Its very unlike him,16,2.harm

16、ful adj. 有害的，伤害的 搭配 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 翻译：吸烟有害健康。 _,Smoking is harmful to health.,17,3exist vi. 存在；生存 联想exist as作为而存在；以形态存在 exist in存在于中 exist on靠生活生存 搭配 there exist(s)表示“存在/有”，此时exist不用进行时。 拓展 there exists表示“存在/有”，是

17、“there be”句型的延 伸，类似的还有there stand(s)，there lie(s) there live(s)， there occur(s)等。,18,完成句子 (1)少数人认为世界上存在恶魔。 Several people believe the devil _ in the world. (2)好人到处都有。 _ warmhearted persons everywhere.,exists,There exist,19,4puzzle n. 谜；难题vt.&vi.(使)迷惑；(使)为难 搭配 用适当的介词或副词填空(1)puzzle _/_ sth.为苦思冥想 (2)pu

18、zzle sth. _ 想出；苦思而求得 用相关短语翻译下列句子。 (3)凯伦整个晚上都在想这个问题。 Karen the question all evening. (4)他终于想出了如何解决这个问题。 He finally how to solve the problem.,over,about,out,was puzzling over,puzzled out,20,用puzzle的适当形式填空。 (5)He stared at the words in complete . (6)I think its really a _ problem. I really dont know wh

19、ich to choose. (7)She listened with a _ expression on her face. (8)Im doing a word _ in this newspaper.,puzzlement,puzzling,puzzled,puzzle,21,5mass n. 质量；团；块；大量 识记a mass of/masses of大量的；大批的；许多 提示a mass of或masses of既可修饰复数名词，亦可修饰不可数 名词。 完成句子 (1)大量的书籍摊满了整个房间。 _ covered every surface in the room.,Masses

20、 of books,22,(2)我们仍然可以抽出许多时间。 We still had _ to spare. 辨析 the mass of.大部分；大多数 (3)现代人大多受到电视的影响。 are influenced by television. 识记 in a mass大量地；大批地 (4)大批的运动爱好者在赛前就来到了体育馆。 Sports fans came to the stadium _ before the game.,masses of time,The mass of modern people,in a mass,23,重点短语例释,1in time 及时；早晚；迟早 完成

21、句子 (1)我们到达车站时，刚好赶上那班车。 We got to the station just _ catch the bus. (2)他早晚会明白什么才是对的。 _ he will see what is right.,in time to,In time,24,提示 in time to do sth./for sth. 来得及干某事；正好及时赶上 (3)我刚好来得及赶上那班飞机。 I was just _ the flight. (4)大夫正好及时赶到挽救了他的生命。 The doctor got there just _ his life.,in time for,in time

22、to save,25,2cheer up 感到振奋；欢呼；喝彩；口振作些 完成句子 (1)你需要点东西让自己振奋一下。 You need something to _. (2)我要带安吉到外面转转，让她振奋起来。 Im taking Angie out to _. (3)打起精神来，曼迪！ _，Mandy!,cheer yourself up,cheer her up,Cheer up,26,3watch out vi. 当心；提防；密切注视 Watch out! Theres a car coming.注意！有辆车开过来了。 提示 watch out是不及物动词短语，常与介词for连用。 补

23、全下列英文句子。 (1)当心，别把桌子上的纸弄脏了。 _！ Dont dirt the paper on the desk. (2)注意一个戴黑帽子的高个子男人。 in a black hat. (3)我们必须小心公共汽车上的小偷。 We must _ on the bus.,Watch out,Watch out for a tall man,watch out for thieves,27,疑难语句细解,1Last month I was lucky enough to have a chance to make a trip into space with my friend Li Ya

24、nping，an astronomer.我的朋 友李彦平是一位宇航员。上个月我有幸得到一个机会同他一道 去太空旅行。 句型 beadj.enoughto do足够能干 拓展 enough作副词时可以修饰形容词、副词或动词，放在被 修饰的形容词、副词或动词之后，再加动词不定式或介词for 短语构成句型：beadj.enoughto do sth./for sth.意思为 “足够可以”。,28,(1)她已到自己作决定的年龄了。 She is _ decide for herself. (2)屋子不够大容不下做礼拜的人们。 The room isnt _ hold the people who at

25、tend church. (3)这篇课文太耐读了。 This text is . (4)这种游戏我训练得不够。 I hadnt .,old enough to,big enough to,long enough for reading,trained enough for the game,29,2.But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.而当我试着向前迈步的时 候，我发觉我被送出去很远，步子的跨度竟是在地球上的两 倍，因而我摔倒了。 句型

26、 twice as.as.“是的两倍” (1)这棵树是那棵树的两倍高。 _ (2)那个男孩跳的高度是我的两倍。 _,This tree is twice as tall as that one.,The boy jumps twice as high as I.,30,归 纳,英语常见表达倍数的句型如下：,倍数,as.as.,比较级than.,he名词of. what从句,asadj./adv.的原级as as many/much名词as,adj./adv.比较级than. more名词than.,说明：在“倍数then.of.”结构中，常用的名词size，height，length，widt

27、h等。另外，两倍用twice或double，不到一倍用分数表示，三倍或三倍以上一般用times来表示。,31,3.“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.” “天哪！”我大声说，“既然重力改变了，走路也的确需要练 一练了。” 句型 now that的意思为“既然，由于”，从属连词，引导原 因状语从句，在口语中可以省略that。 联想 与now that意思相近的有seeing that，since等。,32,(1)既然你提到了，我要记在心里。 you have me

28、ntioned it，I keep it in mind. (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 _ youve finished the work. (3)既然教授的报告很有教育意义，为什么不去听呢？ _ the professors lecture is very instructive，why not go and attend it? (4)鉴于你有足够的钱，你借给我一些吧。 _ you have enough money，you lend me some.,Now that,now that,Since,Seein

29、g that,33,技巧四：利用原词复现，寻找近义词。 完形填空题中常有某一词语在语篇中重复出现的现象。词语复现使语篇中的句子相互衔接，从而构成一个意义完整的有机整体。在阅读文章的过程中，有时也会出一些与选项意义紧密相连的同义词或近义词。要学会充分利用这些词所提供的有效信息进行合理的推测和判断，选出正确答案。如：,34,“The merchant of death is dead.”the article read. “Dr. Alfred Nobel，who became 23 (rich) by finding ways to kill more people faster than ev

30、er before，died yesterday. ”Nobel was 24 (upset) to find out not that he had died，but that，when his time was up, he would be thought of only as one who profited from 25 and destruction. (2009广东卷) 25A.death Bdisease Ctrouble Dattack 解析：语境为“人们会认为他只是一个从死亡和毁灭中获取 利益的人”，前文的“kill more people”中也有提示。 答案：A,35,

31、The first time I remember noticing the crossing guard was when he waved to me as I drove my son to school. He 16 (presented) me with a puzzleall because he waved to me like someone does 17 (on) seeing a close friend. Then one day the 22 was solved.(2009天津卷) 22A.argument Bdisagreement Cmystery Dtask

32、解析：前文讲到“那位交警像朋友一样向我挥手，使我困惑”， 这里应是“这个谜有一天终于解开了”。mystery和puzzle意思相 近。 答案：C,36,典例 Robert，who had made several important medical breakthroughs，was interviewed by a reporter. The reporter asked him why he was much more creative than a(n) 1 person. What set him far apart from others? He responded that it

33、all came from a(n) 2 with his mother. When he was two，he was trying to 3 a bottle of milk from the refrigerator when he lost his grip(抓) on the 4 bottle. It fell，the milk in it spilling all over the kitchen floor.,37,Instead of scolding him，his mother said，“Robert，whenever you make a mess like this，

34、 5 you have to clean it up. So，how would you like to do that? You can use a sponge(海绵)，a towel or a mop. Which do you 6 ？” He chose the sponge and cleaned up the 7 milk with the help of his mother. Then his mother taught him how to effectively carry a big milk bottle. The boy learned that if he grasped the bottle at the top with both 8 ，he could carry it without dropping it. What a wonderful 9