人教新课标英语选修八课件Unit2 Cloning

1、Unit 5 Meeting your ancestors,Learning about language,Complete the passage using the correct form of the words and phrase below.,alternative sharpen identify regardless of aware excavation assume ample primitive due,Discovering useful words and expressions,Davidson Black was a Canadian doctor who organized the _ that led to the discovery of the bones in the Zhoukoudian caves near Beijing. He was a specialist in the study of bones and it was his ambitio。

2、Unit 3 Inventors and inventions,Learning about language,In groups make word pairs with the same suffix. Add more of your own.Example: n. adj. convenience convenient;independence independentn. adj. _ _ _,cube,cubic,base basic,_ _ _ _ _ _ _ _ _ _ _ _,mercy,merciful,fancy fanciful,stain,stainless,care 。

3、Unit 4 Pygmalion,Learning about language,Complete the passage using the correct form of the words below.,handful upper betray status mistaken fortune plot pass classic classify superior,George Bernard Shaw was interested in the way people spoke. He argued that he was never _ about a persons _.,mistaken,status,Generally speaking, he thought that lower class people _ themselves with their remarks whenever they spoke, and that he could _。

4、Using language,The work on the early people depends on the dates given to the bones that are found. If the dates are wrong, all the data about early people may also be wrong. So Zhou Heping is very interested to find out how archaeologists make sure that their dates are accurate.,1. Listen to Part 1 of the tape and fill the layers in the “wastepaper basket” diagram below.,yogurt pots,orange skin,wastepaper,used envelopes,2. Listen to Part 2 and complete the passage.,It uses radioactivity to me。

5、Unit 3 Inventors and inventions,Language points,go through (1) 经历 e.g. Most families went through a lot in the war.,1. Do you know the stages every inventor must go through before they can have their invention approved?,(2) 通过, 成功, 成交 e.g. The plan did not go through. (3) 审阅, 检查 e.g. I cant go though the letters in an hour. (4) 翻找, 查看 e.g. Mother went through the drawer for her glasses.,(5) 穿过, 通过 e.g. A terrible noise went through the house.read through 通读look through 浏览。

6、Unit 4 Pygmalion,(Act Two),Using language,Making the bet,Making the bet,1. Do you think Eliza is very ambitious?Yes, because she still likes to learn even if Higgins treats her rudely. 2. Why did Pickering fancy himself?Because he can pronounce twenty- four distinct vowel sounds.,Read the play and answer the following questions:,3. What habits did Eliza have?She has never had a bath in her life; not over her whole body, neither below her waist nor taking her vest off.,4. What do you think Hig。

7、Unit 1 A land of diversity,1. California is the third largest state in the USA but has the largest population.population (1) 对人口提问用 what, 不用 how many, how much。Whats the population of the city?这个城市有多少人口？,(2) population 作主语时用单数，但前有 分数，小数，百分数时，谓语动词用 复数。The population of China is larger than that of America.中国人口比美国人口多。80% of the population are farmers.百分之80的人口是农民。,is,are,(3) 人口的增加或减少用 grow (increase) 和 fall (decrease); 。

8、Unit 3 Inventors and inventions,Using language,Alexander Graham Bell,Lead-in,Telephones become part of our life. But do you know who invented the telephone?,A British inventor called Alexander Graham Bell.,Discuss the following questions in groups: 1. What do you know about the inventor? 2. How useful is his invention to human society? Why?,Pre-reading,Bell is known for much of his work for deaf education. He became a professor of vocal physiology at Boston University.,His job was to help deaf p。

9、Unit 1 A land of diversity,Listening,George is on holiday in the United States and he is touring around California. He is telephoning his friend Christie. Before listening, look at the pictures and go over the exercises below. Guess what might be included in their conversation.,A tour round CaliforniaA visit to Joshua Tree National ParkGeorges feelings and reactions to what he is seeing,Listen to the tape and answer the following questions.,1. Where did Georges tour start and in which directi。

10、Reading,In pairs, try to identify these objects. Discuss what they were made of and explain their use. Who do you think used them? Can you think of the alternatives we would use today?,clay lamp,Chinese chimes,clay / pottery,to light the house,electric light,metal, possibly bronze or brass,to provide music,xylophone,When you have come to a conclusion, fill in the chart below. Then report to the class.,stone/ jade axe,stone/ jade,to chop wood,chain saw,death mask,gold,to cover the face o。

11、Unit 1 A land of diversity,名词性从句（一）,Look at the following clauses in the sentences and think about what role do these clauses play in the sentences.,What attracts people to California is its pleasant climate and relaxed lifestyle.,主语,Revising useful structures,However, most applicants know that they have very little chance of getting a visa.,宾语,This is why each year a great number of people from all over the world try to immigrate to California.,表语,1. 概念在句子中起名词作用的句子叫。

12、Unit 3 Inventors and inventions,Grammar,过去分词（一）,过去分词作定语 过去分词作表语 过去分词作宾语补足语,过去分词作定语往往与被修饰的词靠得很紧, 渐渐地成为一个复合词。这种分词叫分词形容词 (the Participle Adjective), 实际上相当于一个单纯的形容词, 除表示“完成”的动作之外, 还表示“被动”的意义。如： spoken English (英语口语)；,一、过去分词作定语。,iced beer (冰冻啤酒)； cooked food (熟食); fried chips (炸土豆条),但要注意不及物动词的过去分词常表示“完成”的动作, 而不表示“被动”意义。如: boiled wa。

13、Unit 4 Pygmalion,Reading,Warming up,皮格马利翁与伽拉忒亚,心理学家莫顿（Robert Merton）将此现象名之为“自我实现的预言”。这也就是在萧伯纳名剧窈窕淑女(My Fair Lady)中为人所熟知的“皮格马利翁效应”（Pygmalion effect）。,Have you ever heard of the “Pygmalion Effect ”?,The Pygmalion Effect is that people tend to behave as you expect they will. If you expect a person to take responsibility, they probably will. If you expect them not to even try, they probably wont.,This play by George Bernard Shaw (。

14、Warming up,North America,South America,Africa,Europe,Asia,Oceania,Antarctica,Pacific Ocean,Pacific Ocean,Atlantic Ocean,Indian Ocean,Arctic Ocean,Name the seven continents and four oceans.,Seattle,San Francisco,Los Angeles,Houston,Miami,Atlanta,New York,Washington, D.C,Appalachian,Rocky Mountains,Mexico,Chicago,Canada,Atlantic Ocean,Pacific Ocean,the Mississippi,A,B,C,E,F,G,D,H,I,How much you know about the USA.,The USA lies in _, bordering both the _ Ocean and the _。

15、Unit 3 Inventors and inventions,Reading,Discuss in pairs which pictures show inventions and which show discoveries.,An amphibious car,Stephensons “Rocket”,Warming up,DNA,Work out the rules that will help you decide what a discovery is and what an invention is.,(1) A discovery is A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia.,(2) An invention isAn invention is something that created by human being, such as the light。

16、Unit 2 Cloning,1. retire vi. 观察示例: He retired at the age of 65. 他65岁退休。 He will soon retire from the army. 他不久将退役。 The men went on talking while the ladies retired. 男人们继续交谈, 而女士们退到了客厅。,Words and phrases,She retired early that night. 那天晚上她就寝得早。,归纳拓展：retire作不及物动词时有两个义项: 退役, 退职; 退出, 退后, 从餐厅回到客厅, 就寝 (较go to bed正式)。,完成句子。 (1) He worked as a guard after _ _ _ _ (退役). (2) The troops _ _ _ _ (从 战地退了回来). field 。

17、Unit 2 Cloning,1. Do you know anything about dinosaurs? 2. Have you ever seen the film Jurassic Park?,The return of the dinosaurs?,Warming up,Enjoy some pictures about dinosaurs.,暴龙 tyrannosaurus,剑龙 stegosaurs,角龙 ceratopsids,翼龙 pterodactyl,雷龙 brontosaurus,Does the author believe the dinosaurs can be cloned?,Skimming,The writer of the text _. A. is excited by the possibility of cloning fierce and extinct animals B. believes th。

18、Unit 2 Cloning,Language points,1. Think about how they differ.differ vi. different, difference,常见的结构有： differ from . 与不同 differ in 在方面不同 differ with sb. on / about / over sth. 与某人在某事上意见不同,重点词汇,【典型例题】 Thoughts of Oriental (东方人) differ much _ westerners in a number of ways.between B. between those C. from D. from those of 【答案】D 考查differ的用法 【点拨】此处应该用指代的词，结构和thoughts of一样，但用those代替,用适当的介词填空。 (1) Im sorry to differ _ you。

19、Reading,Unit 2 Cloning,In pairs, look at these pictures and discuss which ones are natural clones and which ones are man-made. Think about how they differ.,Warming up,Dolly the sheep,Its the most famous sheep in the world. Do you know how Dolly is different from other sheep?,man-made clones,She was cloned while the others were born naturally. It is the copy of another sheep.,What can you see in the picture?,I can see a strawberry plant producing runners in a natural form of cloning.,natural clo。

20、Unit 2 Cloning,Look at the sentences. The phrase and clause underlined are used as appositive (同位语).,1. Although Dolly lived six and a half years, half the length of the life of the original sheep. 2. The fact that she seemed to develop normally was very encouraging.,Discovering useful structures,1. 同位语 the Appositive同位语是句子成分的一种, 它位于名词、代词后面, 说明它们的性质和情况, 它可以由名词、代词、名词性短语或从句充当。,语法精解(一),同位语的表现形式有以下几种： (1) 名词Tom, our monit。