M8U4 Period1 Warming Up and Reading

Warming up and ReadingⅠ.Learning aims1.Learn the new words and phrase about Cloning in this unit;2.Improve the reading skills by reading the two passages of this unit and doing some comprehensive problems;3.Go over and sum up the usages and forms of the Appositive.Ⅱ.Learning emphasis1.Learn the vocabulary and sentences in this unit;2.Improve the comprehensive reading skills.Ⅲ.Learning difficulties1.Master the skills of writing an argument;2.Improve the skills of judging the infinitive problems correctly.Step 1. Preparing lessons &self-study and exploring the problemsTask 1. Warming upTalk about the following questions:1. What is a clone?2. How is a clone produced?3. What benefits can humans gain from cloning?4. What problems may arise when humans are cloned?5. Should we clone human?Step 2. Finishing plan & asking questionsTask 2. Read the passage quickly and finish the following comprehensive exercises:Choose the right answer according to the text.1.Dolly the sheep_____.A. looked exactly like the sheep that provides the egg.B. was the exact copy of the sheep that provides the nucleus.C. looked like the sheep that gave birth to it.D. had the characteristics of all three sheep.2. It can be inferred from the passage that a cloned animal_____.A. usually lives as long as the original oneB. usually lives longer than the original oneC. usually lives longer than the original oneD. is usually as healthy as the original oneStep 3. Researching cooperatively& answering questionsTask 3. Read the passage again, then try to find the main idea of each paragraph.Step 4. Summing &chewing, summarizing knowledgeTask 4. Get the students to find the following sentences in the passage and learn the usages of them.Step 5. Testing in class & improving skillsTask 5. Ask the Ss to finish the comprehensive exercises (1—3) at Page 12 in the book.Step 6. Assessment & HomeworkTask 1. Ask the students to finish Exs 1—3 at Page 12.Task 2. Get the students to underline all the new words and phrases in the passage.。

Unit1 Warming up and reading 精品教案Period 1Teaching aims:get the students to know more about the history and geography of USAget the students realise why California is such a multicultural communityDifficult and Important Points:describe the history, people, customs and culture of Californiahow to make the students gain enough information to express themselves.how to improve the students’ reading abilities.Teaching procedures:Step 1 Greetings.Greet the Ss as usual.Step 2 warming upI. Do a quiz. Ask students some questions to see how much they know about America.1. Which flag is American flag? (show three flags, and let them choose)2. Which city is the capital of the USA? Washington D.C3. Which stands for the USA? (show the national Emblems of USA)4. How many states are there in the USA? 505. Who is president of America? George W. Bush6. Which doesn’t belong to the USA? Eiffel Tower7. Which are American brands? (show some different brands)8.Who are Americans?ABC D E keanu Reeves David Beckham Steven Speilberg Ronaldinho BritainBrazil[设计说明]以选择的形式降低难度，通过一些熟悉的人物和精彩的图片调动学生的积极性和求知欲，激发对美国这个主题的探索，教师也可以通过竞赛的方式更好地活跃课堂气氛。

Unit 4　Global warmingPeriod 1　Warming Up ，Pre －reading ，ReadingLearning aims ：1.Get students to know about global warming and its effect ；2. To enable the students to realize what we can do about global warming.Learning important pointsTo enable the students to learn about global warming and to develop their reading ability.Learning difficult pointTo enable the students to talk about what we should do to prevent global warming.Before class （课前自主学习）I.重点单词1._________v.消费；消耗；耗尽2. _________v.趋向；易于；照顾3_________n.大灾难；浩劫 4._________adj.胡乱的；任意的5. _________v.反对；反抗；与(某人)较量 6_________.n.洪水；水灾7. _________v.同意；捐赠；订阅 8. _________ n.燃料9._________ n.量；数量 10. _________ n.图表；坐标图；曲线图11. _________ v.陈述；说明 12. _________ n.结果；后果；影响13._________ n.资料；数据 14._________ v.看一下；扫视　II.重点短语1. come about _________2.keep on_________3. subscribe to _________4. be opposed to _________5. _________ 大量的6.________即使_7. _________ 上升；增长；升起 8 _________依靠，依赖9 _________ 温室效应 10. _________用光，耗尽In class （课上合作探究）Learning proceduresStep 1　Warming up1．Warming up by reading and talking ：Read through the exercise. Put students in groups to talk about what we use energyfor ，discuss what are the sources of these energy and whether the following sources arerenewable or non －renewable.___________ ___________ ___________ ___________ __________ __________Things that use energySources of energy Renewable/non －renewable coal oil natural gas wind power solar energy nuclear energy lightsheatingtelevisioncassette playervideo recordercomputerfridgestovehydro －electricpower biomass energygeothermal energyhairdryer...tidal energyStep 2　Pre －reading1．Look at the picture of a greenhouse and ask students what a greenhouse is made of and what its purpose is.2．Ask students what they think “greenhouse gases” are and what they think greenhouse gases do. Look at the picture above and explain it to their partners.Step 3　Reading and comprehendingTask 1．SkimmingAsk students to read the passage quickly so as to get the key words and general idea of eachparagraph and answer the following questions ：(1)What is the main topic of the article?________________________________________________________________________(2)Who wrote the magazine article ？What is the name of the magazine?________________________________________________________________________(3)What are the names of the three scientists mentioned in the article ？Do they agree with one another?________________________________________________________________________(4). What do they think about global warming? Do they agree with one another?________________________________________________________________________(5). What are the two graphs about?________________________________________________________________________Task 2.ScanningChoose the best answers to each question according to the text(1).How much did the temperature rise in the 1900s?A. One degree Fahrenheit.B. One CelsiusC. Two degreesD. Thirty degree Celsius(2).What causes the temperature of the earth to increase?A. Cutting treesB. Wasting the farmlandC. Running out of the river waterD. Burning fossil fuels(3).Who accurately measured the amount of carbon dioxide in the atmosphere from 1957 to 1997?A. Dr. Janice Foster.B. Fahrenheit.C. Charles KeelingD. George Hambley(4). George Hambley believes that more carbon dioxide is actually_____.A. a bad thingB. a dangerous thing.C. a comparative thingD. a positive thing(5).What is the main idea of this passage?A. Global warming.B. Flood phenomenon.C. Making methane.D. Making greenhouses Task 3．Careful readingRead the passage carefully and judge whether the statements are true(T) or false(F)．①Janice Foster believes that global warming is caused by the burning fossil fuels.(　)②Natural gas is a greenhouse gas.(　)③Carbon dioxide is a byproduct of burning fossil fuels.(　)④People accept Charles Keeling's data because he took accurate measurements.(　)⑤Flooding could be one of the effects of future global warming.(　)⑥George Hambley believes scientists are just guessing about the effects of global warming.(　)⑦George Hambley is worried about the effects of carbon dioxide on plant growth.(　)⑧It is clear what the effects of global warming will be.(　)Task 4．Structure analyzingAsk students to read the text carefully and try to find out how many parts they can divide the text into and find out the main idea of each part.Part Main ideaPart1(Paragraph__) A It's up to readers to think and decide whether people should dosomething about global warming or not.Part 2(Paragraphs __to __) B To illustrate how global warming comes about.Part 3(Paragraph __) C To introduce a debate over the issue of global warming.Part 4(Paragraph__ ) D To list two different attitudes among scientists towards theglobal warmingStep 4 随堂达标检测The earth is becoming warmer and it is human activity _______1 has caused this global warming .All scientists_________2 to the view that the increase in the earth’s temperature is_________3 to the burning of fossil fuels. Some byproducts of this process, especially carbon dioxide, are called ‘greenhouse’ gases. Some small amounts of gases in theatmosphere_________4 heat from the sun and therefore warm the earth .So we need those gases .However, the problem begins when we add huge _________5 of extra carbon dioxide into the atmosphere. It caused the global temperature to __________6 up.A scientist __________7 Charles Keeling made accurate measurements of the amount of carbon dioxide in the atmosphere. But how high will the temperature _________8 go?_________9 if we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to _______10 on warming for decades or centuries. Now one knows the effects of global warming.Unit 4 Global warmingPeriod 2　Language pointsLearning aims：1.Get students to learn and grasp important new words and expressions2.Get students to learn and grasp some difficult and long sentences in the text.Before class（课前自主学习）I.重点单词1._________ adj. 能再生的；可更新的2. ________ n. 温室；花房3. ________ prep. 每；每一4. ________ n. 资料；数据5. ________ n. 洪水；水灾6. ________ n. 旱灾；干旱7. ________ vt. 反对;与（某人）较量8. ________ adj. 温和的；温柔的；淡的9.________adj. 环境的10. ________ vt. 陈述；说明11. ________ n. 种类；范围12. ________ adv. 平稳地；持续地II.重点短语1．在20 世纪期间____________ 2．自然现象____________3．另一方面____________ 4．通过燃烧化石燃料____________5．人类活动 ____________ 6．有关系，有影响____________7．大体上，基本上____________ 8．高达5摄氏度____________III.重点句型1.That probably doesn’t sound very much to you or to me but it is a rapid increase compared to mostnatural changes.（译）________________________________________________________________________2. There is no doubt that the earth is becoming warmer but there is fierce debate over whether it is human activity that has caused this global warming or whether it is just a natural phenomenon.（译）________________________________________________________________________3. Without the “greenhouse effect”, the earth would be about thirty-three degrees Celsius cooler than it is.（译）________________________________________________________________________In class（课上合作探究）Language points1．...but it is a rapid increase when_compared_to other natural changes.……但是，同自然界的其他变化相比，这种升高是迅速的。

Warming up and Reading一、认知词汇Ⅰ.Match the word with its meaning.1. convenient A. standard of judgment2. distinguish B. a set of papers, records etc., that contain information about a particularperson3. file C. having force in law4. seize D. very easy and suitable5. abrupt E. make (oneself) well known; see or recognize the difference6. valid F. to take hold of something suddenly and violently7. criterion G. sudden and unexpected to recognize and understand the differencebetween two or more things or people8. patent H. an official document granting a rightⅡ.Write down the meaning of phrases in each sentence.1. These pictures call up memories of those beautiful days when they stayed in Hainan.2. I’d like to go to the cinema now and then.3. After the earthquake, the people set about rebuilding their homes.4. Speeches distinguish human beings from animals.5. I always keep my reference books near my desk for convenience.二、话题导入Look at the following pictures and decide whether they are inventions or discoveries.Invention：___________Discovery：___________三、疏通文意Ⅰ.Fast-reading1. Match the following paragraphs with their main ideas.Part 1(Para.1) A. The research on the approaches to solving the problem.Part 2 (Paras. 2～3) B. The requirement of getting a patent.Part 3 (Paras. 4～6) C. The attempts to catch the snakes.Part 4 (Paras. 7～8) D. The discovery of the problem of the snakes.2. Read the text quickly and fill in the blank.The text is mainly about the author’s experience in helping her mother get rid of the snakes and applying for the patent for her __________.Ⅱ.Careful-readingRead the text carefully and choose the best answer.1. The writer set about researching the habits of snakes in order to.A. get on well with snakesB. catch them in the easiest wayC. know how to drive them offD. kill them in the easiest way2. Which of the following statements is NOT true?A. If an invention passes all the tests, it will be 18 months before the application for a patent is published.B. If you have designed a series of computer programmes, you can apply for a research patent.C. Unless your product is discovered really different from everybody else’s, you won’t receive a patent.D. When a product is accepted and honored a patent, the inventor will receive a large amount of money.3. What’s the biggest advantage of the writer’s new idea?A. It makes the snakes move slowly.B. It makes the snakes hardly bite us.C. It is easier for us to kill the snakes without hurting ourselves.D. It is easier for us to catch the snakes without killing them.4. The snakes were finally caught by .A. hitting them with a stickB. cooling them and catching them with a netC. putting them into a schoolbagD. watering them with cool water【参考答案】一、认知词汇Ⅰ.Match the word with its meaning.1～5DEBFG6～8CAHⅡ.Write down the meaning of phrases in each sentence.1.使······回忆起2.偶尔，有时3.着手，开始4.使······区别于······，把······和······区别开5.为了方便二、话题导入Invention：A，B，D Discovery：C三、疏通文意Ⅰ.Fast-reading1. Match the following paragraphs with their main ideas. Part 1～4DACB2. Read the text quickly and fill in the blank.inventionⅡ.Careful-reading1～4BBDB。