book6unit4reading(公开课).ppt

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1、What do these pictures want to tell us? global warmingThe earth is becoming warmerThe Earth Is Becoming Warmer-But Does It Matter?The earth is becoming warmer.Does it matter?Para.2-5Para.6 (two different attitudes)The purpose of the first paragraph is to _. introduce the writer B. explain a change C

2、. introduce the topic D. raise a question Why does the writer end up the last paragraph with two questions? A. Because the writer wants to raise the question for the readers to think over. B. Because the writer wants to appeal to the readers to prevent global warming. C. Because the writer wants to

3、arouse the readers curiosity.A.D. Because the writer doesnt have any idea of global warming.The structure of the textPart IPart II Part IIIPart IV(para.1)(para.2-5)(para.6)(para.7)introductionthe causetwo attitudesa questionPart II (para. 2-5)WhatHow When Who How manyPart II (para.2-5)1. What causes

4、 the increase of the earths temperature?The burning of fossil fuels like coal, natural gas and oil causes the increase of the earths temperature.2. How is the earth warmed?The earth is warmed when small amounts of gases in the atmosphere, like carbon dioxide, methane and water vapor, trap heat from

5、the sun.3.When does the problem begin?The problem begins when we add huge quantities of extra carbon dioxide into the atmosphere.4.Who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957to 1997?Charles Keeling.5.How many degrees Celsius will the temperature increas

6、e go at most over the next 100 years according to Dr Foster? 5 degrees Celsius.Part III (para.6) two attitudesscientistopinionpossibleresultsDr FosterGeorge Hambley a _ a _ thing a rise of _ _ in the sea level2. Severe _, _, _, famines3. Spread of _4. Disappearance of _ Plants will _ Crops will _ It

7、 will _ _of animalscatastropheseveralmetresfloodsstormsdroughtsdiseasesspeciespositivegrow quickerproduce moreencouragea greater rangePart I: Part II:Part III:Part IV: introduction the cause two different attitudes a question陈述现象陈述现象/问题问题分析原因分析原因不同态度不同态度 your opinion 个人观点个人观点陈述现象陈述现象/问题问题There is no

8、 doubt that 分析原因分析原因is due to 不同观点不同观点However, the attitudes of sb. towards sth are completely different.On the one hand, sb think that On the other hand, there are those who are opposed to this view and believe that It is true / a fact that The reason why is that Opinions on the matter vary from pe

9、rson to person.个人观点：个人观点：In my opinion, / From my point of view As far as I am concerned Topic 1:Should students take mobile phones to school?Topic 2:Whether students do part-time jobs is good or bad?Topic 3:Is raising pets a good thing or a bad thing?Topic 4:Should the western festivals be celebrated in China?Write a short passage about the topic youve chosen. (120words)