1、Words studyUnit 4 ReadingTHE EARTH IS BECOMING WARMER BUT DOES IT MATTER?graph random phenomenon subscribe fuel quantitytenddatan.图表;坐标图adj.胡乱的;任意的n.现象vi.同意;捐赠;订阅vt.签署(文件);捐助n.燃料n.量;数量vi.趋向;易于 vt.照顾n.资料;数据Words previewtrend catastrophe flood opposemild consequence state rangen.趋势;倾向;走向n.大灾难;浩劫n.洪水;水
2、灾vt.反对;反抗adj.温和的;淡的n.结果;后果;影响vt.陈述;说明n.种类;范围Words preview come about subscribe to quantity of go up result in be opposed to even if keep on发生;造成同意;赞成;订购大量的上升;增长;升起导致反对即使继续Expressions previewYou can often get an idea of what a magazine article is aboutby glancing at the title,the first paragraph,the
3、diagrams,and the enlarged quotes.A Useful SkillSkimming to get an overview of the structure of a magazine article1.Whats the topic and hows the text organized?Its about global warming.It has a title;a first paragraph;the main text in 2 columns;graphs,quotes.skimming2.Whats the first graph about?It s
4、hows the temperature increase of one degree Fahrenheit between 1860 and 2000.Reading Comprehension Iskimming3.Whats the second graph about?It shows the carbon dioxide content in the atmosphere from 1957 to 1997.4.Whats the purpose of the last paragraph of the article?It functions as a conclusion by
5、asking the reader to reflect on the major theme of the text and to predict what might happen in the future.1.The purpose of the first paragraph is to _.A.introduce the writer B.explain a changeC.introduce the topic D.raise a question2.The graphs are used to _.A.illustrate points by providing evidenc
6、e B.tell the change of temperatureC.tell the content of carbon dioxide in the airD.interest the readersskimmingReading Comprehension IICareful reading 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
7、修饰phenomenon，译为“随意的自然的现象”，but起一个语气转折的作用，可不译出。rather than 而不是She is a career woman rather than a housewife.她是职业妇女而不是家庭主妇。rather than 在更大程度上These are political rather than social matters.与其说这些是社会问题，不如说是政治问题。e aboutcome about:take place;happen表示“发生、产生”，多指事情已经发生了，但还不知道为什么，常用于疑问句和否定句,例:When Mother woke u
8、p,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,造成=lead toThe accident resulted in three people being killed.这一事故导致他的死亡。The accident resulted in his death.Acting before thinking always results infailure.做事不先考虑总会导致失败。The
9、accident resulted in the death of two people.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.to4.even if/though:used to emphasize that,although something may happen or may be true,it will not change a situation I wouldnt tell you even if I knew.Even if
10、 she survives,shell never fully recover.Even though hes 24 now,hes still like a little child.I can still remember,even thoughit was so long ago.Read the passage quickly to find the main idea of each partMain ideas of each part Writing techniques(Paragraph 11)(Paragraphs 5-10)(Paragraphs 2-4)(Paragra
11、ph 1)Main ideas of each partWriting techniques(Paras 2-4)(Para 1)Introduce a debate over the issue of global warming.Raising a questionIllustrate how global warming comes about.Giving examples,using graphs,explanationMain ideas of each partWriting techniques(Paras 5-10)List two different attitudes a
12、mong scientists towards global warming.Giving examples,making contrast.(Para 11)Its up to readers to think and decide whether people should do something about global warming or not.Using a question,leaving readers to think over the issue.Scanning to get Detail informationTrue or false?(P27 )scanning
13、Reading Comprehension III21.The temperature in the last century didnt seem to increase much.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 in
14、crease in global warming.5.George Hambley believes that global warming will do good rather 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,natu
15、ral gas and oil2.Greenhouse effect _.A.is a natural phenomenon B.happens when theres too much 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 F
16、oster B.Charles KeelingC.George Hambley D.Sophie Armstrong4.Which of the following statements is True?A.Burning fossil fuels causes the global 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.The dif
17、ferent ideas between Dr.Janice Foster&George HambleyDr.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 crops _ and will encourage _.go upcatastrophevery seriouspositi
18、veproduce morea greater range of animalsSummaryWhat have you learnt from the text?Try to talk in general terms rather than in details.eg:I learnt that the earth is becoming warmer.I learnt that global warming could have terrible effects on the environment.1.Although we are burning _ coal every year,
19、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 about quantities of go up result in even if be opposed to build up run outrun outgo up3.Many scientists bel
20、ieve 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 accident on the main road yesterday _ one drivers death.6._London,Paris is large.7.Sediment(沉淀物)_ on th
21、e ocean floor.resulted inCompared to/withbuilds upIII.Translation1._(是人类活动引起)this global warmingrather than a random but natural phenomenon.2._ _(是一位名叫 Charles Keeling的科学家)made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.It is human activity that has cau
22、sedIt was a scientist called Charles Keeling who3.All scientists agree that _ (正是燃烧越来越多)fossil fuels _(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.Prepare the debate in groups.3.Surf the Internet for more information about global warming.
