人教選修unitreadingPPT學(xué)習(xí)教案

1、會計(jì)學(xué)1人教選修人教選修unitreading2an oil refinerya nuclear power plantwind powera coal power stationsolar panelsa hydro-electric dam第1頁/共17頁3Renewable EnergyRenewable energy sources, such as the sun, wind, rain, and plant matter, naturally and continually renew themselves. 第2頁/共17頁4trap the heat from the sunk

2、eep it from escapingwarmA greenhouseHow does it work?第3頁/共17頁5How does this global warming come about?Man burns fossil _ - produce huge quantities of greenhouse gases, esp. _ - the gases trap h_ from the sun and therefore w_ the earth.fuelscarbon dioxideheatwarmGreenhouseGreenhouse EffectGreenhouse

3、gases第4頁/共17頁6Skim the article: What are the names of the three scientists mentioned in the article?Who wrote the article?What is the name of the magazine?Tip: In English, some nouns begin with a capital letter, such as names of people and places, titles of magazines, newspapers, stories and books,

4、peoples titles, etc.Fast Reading 第5頁/共17頁7A. Expositive (說明文說明文) B. Practical (應(yīng)用文應(yīng)用文)C. Argumentative(議論文議論文) D. Narrative(記敘文記敘文)The organization of an expositive essay: IntroductionA titleBodyConclusionPara.1Para.2-6Para.7第6頁/共17頁8Look through : Para. 1Para. 2-5Para. 6Para. 7 第7頁/共17頁9Match the p

5、arts with the main ideas: Part Part 2Part 4Part 3 第8頁/共17頁10Match the parts with the writing skills: Part 1Part 4Part 3Part 2第9頁/共17頁11Read the 2 graphs: Detailed reading第10頁/共17頁12The 1st graph shows the global t between 1860 and . The temperature i and decreased over this period but on the whole i

6、t i by around one degree Fahrenheit. During this time, the earth reached its l temperature in about 1910 and its highest in . There was a steady increase in the temperature during the 20 years after 1980. We can see from the graph that the earth has become w since early last century.Detailed reading

7、Read something more about the 2 graphs: 第11頁/共17頁13The 2nd graph shows the amount of c d in the atmosphere from to 1997. The CO2 c steadily i over this forty-year period. It went up from 315 to parts p million. Tip: While reading a graph, youd better pay attention to the numbers.Detailed reading 第12

8、頁/共17頁14True or false?( P27 )Reading Comprehension21.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 dioxi

9、de is causing a steady increase 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.第13頁/共17頁15Read the article carefully. Detailed reading第14頁/共17頁16 The earth is becoming warmer. In your opinion, does it matter? Discussion:A : We sh