Unit4《Globalwarming》Reading课件（新人教版选修6.ppt

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1、Words studyUnit 4 ReadingTHE EARTH IS BECOMING WARMER BUT DOES IT MATTER?Unit4Global warmingReading课件（新人教版选修6）graph random phenomenon subscribe fuel quantitytenddatan.图表图表;坐标图坐标图 adj.胡乱的胡乱的;任意的任意的n.现象现象vi.同意同意;捐赠捐赠;订阅订阅vt.签署签署(文件文件);捐助捐助n.燃料燃料n.量量;数量数量vi.趋向趋向;易于易于 vt.照顾照顾n.资料资料;数据数据Words previewtren

2、d catastrophe flood opposemild consequence state rangen.趋势趋势;倾向倾向;走向走向n.大灾难大灾难;浩劫浩劫n.洪水洪水;水灾水灾vt.反对反对;反抗反抗adj.温和的温和的;淡的淡的n.结果结果;后果后果;影响影响vt.陈述陈述;说明说明n.种类种类;范围范围Words preview come about subscribe to quantities of go up result in be opposed to even if keep on发生发生;造成造成同意同意;赞成赞成;订购订购大量的大量的上升上升;增长增长;升起升起

3、导致导致反对反对即使即使继续继续Expressions previewSkimming to get general ideas1.Who write the magazine article?2.What is the name of the magazine?Sophie Armstrong.“Earth Care”.skimming2.What are the names of the three scientists mentioned in the article?Dr Janice Foster,Charles Keeling,George Hambley.Reading Comp

4、rehension Iskimming3.What do they think about global warming?Do they agree with one another?There are some very different attitudes among scientists towards this issue.Some think the effects will be terrible,while some others believes that we should not worry about it.4.What are the two graphs about

5、?The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000.The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1997.5.What is the main topic of the article?Global warming/the warming of the earth.1.The purpose of the first paragraph is

6、to _.A.introduce the writer B.explain a changeB.C.introduce the topic D.raise a question2.The graphs are used to _.A.illustrate points by providing evidence B.tell the change of temperatureC.tell the content of carbon dioxide in the airD.interest the readersskimmingReading Comprehension IICareful re

7、ading to solve difficult points1.it is human activity that has caused this global warming rather than a random but natural phenomenon.a random but natural 修饰修饰phenomenon，译为译为“随意的自然的现象随意的自然的现象”，but起一个起一个语气转折的作用，可不译出。语气转折的作用，可不译出。rather than 而不是而不是She is a career woman rather than a housewife.她是职业妇女而不

8、是家庭主妇。她是职业妇女而不是家庭主妇。e aboutcome about;take place;happen表示表示“发生、产生发生、产生”When Mother woke up,she didnt know what had come about.Ill never understand how it came aboutthat you were late three times a week.3.result in 导致导致,造成造成 =lead to=bring about这一事故导致他的死亡。这一事故导致他的死亡。The accident resulted in his death

9、.Acting before thinking always results in failure.做事不先考虑总会导致失败。做事不先考虑总会导致失败。The accident resulted in the death of two people.这场意外事故造成两人死亡。这场意外事故造成两人死亡。It is an illness that can result _ total deaf if left untreated.A.of B.from C.in D.tob.Even if she survives,shell never fully recover.c.Even though h

10、es 24 now,hes still like a little child.d.I can still remember,even though it was so long ago.4.even if/though：即使：即使a.I wouldnt tell you even if I knew.Scanning to get Detail informationTrue or false?scanningReading Comprehension III1.The temperature in the last century didnt 2.seem to increase much

11、.2.Everyone believes that global warming is caused by the activities of humans.3.Janice Foster believes she can measure the future global rise in temperature.4.The rise in carbon dioxide is causing a steady increase in global warming.5.George Hambley believes that global warming will do good rather

12、than harm to the earth.6.It is clear what the effects of global warming will be.1.Greenhouse gases refer to_.A.carbon dioxide B.the burning of fossil fuelsC.byproducts of the burning of fossil fuelsD.coal,natural gas and oil2.Greenhouse effect _.A.is a natural phenomenon B.happens when theres too mu

13、ch carbon dioxide C.does great harm to human beingsD.makes life for human beings betterscanningReading Comprehension IV3._ found out the amount of carbondioxide in the atmosphere from 1957 to1977.A.Dr.Janice Foster B.Charles KeelingC.George Hambley D.Sophie Armstrong4.Which of the following statemen

14、ts is True?A.Burning fossil fuels causes the globalB.warming.B.We will have more food with global warming.C.Global warming means disasters to humans.D.More greenhouse gases will gather in the atmosphere.Look at the two graphs on page 26.Then complete the paragraphs about them with appropriate words.

15、The first graph shows the global _ between _ and _.temperature18602000 The temperature _ and decreased over this period but on the whole it _ by around one degree Fahrenheit.During this time,the earth reached its _ temperature in about _ and its highest in 2000.increasedroselowest1910 There was a st

16、eady _ in the temperature during the twenty years after 1980.We can see from the graph that the earth has become _ since early last century.The second graph shows the amount of_ in theincreasewarmercarbon dioxide atmosphere from _ to _.The carbon dioxide _ steadily over this forty-year period.It wen

17、t up from 315 to 370 parts _ million.19571997perwent upThe different ideas between Dr.Janice Foster&George Hambley Dr.Janice FosterGeorge HambleyCarbon dioxide has caused the global temperature to _.An increase of five degrees would be a _ and could be _.More carbon dioxide is a _ thing,which makes

18、crops _ and will encourage _.go upcatastrophevery seriouspositiveproduce morea greater range of animalsQuiz1.Have you _ some new ideas?Yeah.Ill tell you later.A.come about B.come into C.come up with D.come out with2.Please tell me how the accident_.I am still in the dark.A.came by B.came out C.came

19、to D.came about3.The accident _ the death of two passengers.A.resulted from B.resulted in C.resulted of D.resulted with I.Choose the proper answer.4.It is the protection for the trees _ really matters,rather than how many trees are planted.A.what B.that C./D.which5._ the people,not things,that are t

20、he most important.A.These are B.Those are C.It is D.It isnt1.Although we are burning _ coal every year,we wont _ of it for centuries.2.If the amount of greenhouse gases continues to _,we could be facing a global catastrophe.quantities ofII.Fill in the blanks using the phrases pared to/with come abou

21、t quantities of go up result in even if be opposed to build up run outrun outgo up3.Many scientists believe that global warming has _ through the burning of fossil fuels.4.The washing machine uses too much energy,but _ we buy a more economical one,it would still use too much e abouteven if5.The car

22、accident on the main road yesterday _ one drivers death.6._London,Paris is large.7.Sediment(沉淀物沉淀物)_ on the ocean floor.resulted inCompared to/withbuilds upIII.Translation1._(是是人类活动引起人类活动引起)this global warming rather than a random but natural phenomenon.2._ _(是一位名叫是一位名叫 Charles Keeling的的科学家科学家)made

23、accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.It is human activity that has causedIt was a scientist called Charles Keeling who3.All scientists agree that _ (正是燃烧越来越多正是燃烧越来越多)fossil fuels _(导致了导致了)this increase in carbon dioxide.it is the burning of more and morethat has resulted inDebateABA:We shall do something about global warming.B:We shall do nothing about global warming.Homework1.Read the passage again and review the new words and expressions.2.2.Prepare the debate in groups.