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高二英语选修六第四单元导学案1_图文


编 号 主编 人 姓 名 学习 目标 学习 重点 学习 难点 学 习






周次







第四单元







060401 侯振林

课题

Unit 4 Global warming
审 核 人 班 和 组 组 评

赵华妮

审批人

课时

师评

Learn how to read them; pay attention to the pronunciations. Get to know some words based on the original ones. How to master the key words.
过 程

III. Complete the following sentences according to the sentence . 1.These __________ (现象)are most serious in the area. 2. Before Jack left the company , he ________ (陈述) his problem. 3. Generally speaking ,boys have a stronger ________ (倾向) to fight than girls. 4. Do you ______ (同意) to her pessimistic view of the situation of the economy? 5. A few ________(核能) power station have been built in China. 6.When did this word come into _____________?(存在) 7.More and more fossil fuel has ______in (导致) increase in carbon dioxide. this 8.I am doing a project on _______(代表) of my school about global warming. 9. We do not have to _______________ (忍受)pollution. 篇章结构。阅读 P26-27 的 Reading 部分,完成下列表格。 During the 20th century the temperature of the earth rose about 1.___ degree Fahrenheit. The levels of carbon dioxide have 3.____greatly over The burning of 2. _ _ _ like the last 100 to 150 years.Charles Keeling found that coal,nature gas the carbon dioxide in the atmosphere went up from around 4.____parts to around 370 parts per million between and oil to produce energy. 1957 and 1997.


教学过程: 一、 揭示目标、学法指导:

Learn how to read them; pay attention to the pronunciations.
二、学生自学、教师巡导:

Get to know some words based on the original ones.
自 三、学生展示, 教师精导:







I. Please give the Chinese meanings. 1. consume________ 2. random __________ 3. phenomenon________ 作 4.subscrible_________ 3. fuel______________ 6. per__________ 7.trend____________ 8. flood____________ 9. data __________ 10.mild___________ 11. consequence___________ 12.economical________ 13.existence _________ 14. outer _________ 15.advocate_________ 探 16.commitment_________17. pollution ____________ 18. growth_____________ 19. can ________ 20.microwave__________21.refresh ____________ 22. educator ________23. heading _________24.nuclear _________ 25. slogan__________ 26. disadvantage________ 究 II. Vocabulary Have a dictation of the bold words. 1.发生 造成___________ 2. 同意,赞成 __________ 3. 数量___________ 4.大量的 _____________- 5. 趋势 照顾 ___________ 6. 上升,增长________ 7.导致____________ 8.反抗,反对____________ 9.陈述,说明__________ 10.范围,种类__________ 11.继续_____________ 12. 一憋,扫视____________ 13.平稳的,稳固的___________ 14. 分布广泛的 _________15. 平均的________ 16. 忍受,容忍___________ 17. 只要____________ 18. 环境_____________

Dr Janice Foster says that the amount of warming could be as low as 1 to 1.5 degrees Celsius,but it Could be as high as 5 degrees over the next 5.___ _ years.

The

climate could be
very
serious.

A rise of several metres in the 6.___. Severe storms,floods,7.______,famines. The spread of diseases. The disappearance of 8.______.

We should not worry about high levels of carbon dioxide in the air.It will make plants grow 9.___;crops will Produce 10.______;it will encourage a great range Of animals. II.语篇理解。阅读 P26-27 的 Reading 部分,选择最佳答案。 1.How much did the temperature rise in the 1900s? A.One degree Fahrenheit. B.One Celsius. C.Two degrees. 2.What causes the temperature of the earth to increase?

A.Cutting trees. B.Wasting the farmland. 3.Who accurately measured the amount of carbon dioxide in the atmosphere From 1957 to 1997? A.Dr Janice Foster. B.Charles Keeling. C.Fahrenheit. 4.According to George Hambley,___________ . A.global warming is a very serious problem. B.there’s no need to worry about global warming. C.the levels of CO2 in the air will become lower in the future. 5.We can infer from the text that ___________. A.the debate about the effects of global warming has not been settled. B.the greenhouse effect is the result of people’s actions. C.all scientists think it is important to reduce the amount of CO2 in the atmosphere.
III.Detail

of more and more fossil fuels has 5.___________the increase in carbon dioxide.However,the attitudes of scientists are different.some think that the 6.___________would be a 7.___________.But some 8.___________this view and they predict that any warming will be mild with few bad environmental 9.___________.Even though we have taken some measures,the climate is going 10.___________warming for decades or centuries.
II.短语填空。

Keep on subscribe to


be opposed to go up quantities of

come about even if

result in

1.There are large ___________rain in this area. 2.Do you know how global warming ___________? 1.Read the text and write down the main idea of the text. 3.I have never ____the view that schooldays are the happiest days of your life. The passage puts forward different points of view about the effect of 4.If you want to make the kite __________,pull the string hard,and then release increased____in the atmosphere ,the ________ of the earth’s increased it slowly. 练 temperature and the possible effects. 5.His careless speech ___________much argument. 2.Match the main idea of each part. 6.We ___________the practice of power politics between nations. Part 1(Paragraph 1) A. It’s up to readers to think and III.句型背诵。 decide whether people should do 1.That probably does not seem much to you or me,but it is a rapid increase when something about global warming compared to other natural changes.这个数值对我来说可能是无所谓的,但是跟 or not 其他自然变化相比较而言,这却是一种快速的增长。 案 Part 2(Paragraphs2--5) B.List two different attitudes among 2.There is no doubt that the earth is becoming warmer (see Graph 1)and that it scientists towards global warming is human activity that has caused this global warming rather than a random but Part 3(Paragraph 6) C.Illustrate how global warming natural phenomenon.毫无疑问,地球是在变暖(见表一) ,而地球变暖正是人 comes about 类活动导致的,并非是一种无规律的自然现象。 Part 4(Paragraph 7) D.Introduce a debate over the issue 3.Without the “greenhouse effect”,the earth would be about thirty degrees of global warming Celsius cooler than it is. 如果没有“温室效应” ,地球温度将比现在低大约 33 摄 I.课文缩写。 氏度。 There is no doubt that it is human activities that have caused it rather than a 小结。1.本节课的收获: natural 1._____.All scientists 2.___________the view that the increase in the earth’s temperature is due to the burning of fossil fuels. The “greenhouse effect”begins when We add huge 3.___________of extra carbon dioxide into the atmosphere causing the global temperature to 4._________.The burning 2.存在的问题或疑惑:

reading


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