(
课件网) The earth is becoming warming-But does it matter Learning Aim: Know well the global warming Emotion Aim: Save energy and protect environment What is a greenhouse used for How does it work Who wrote the magazine article What is the name of the magazine Sophie Armstrong Earth Care Scan the passage and answer the following questions: Dr. Janice Foster 2. What are the names of the three scientists mentioned in the article Charles Keeling George Hambley 3.The different ideas between Dr. Janice Foster & George Hambley Dr. Janice Foster George Hambley Carbon 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 _____ more and will en- courage _____. go up catastrophe very serious positive produce a greater range of animals 4. What are the two graphs about The first graph shows: The second graph shows: the temperature increase of one degree Fahrenheit between 1860 to 2000. the carbon dioxide content in the atmosphere from 1957 to 1997. 5. What is global warming The earth is becoming warmer. 6. How has global warming come about Human activity burnig of fossil fuels Greenhouse effect greenhouse gases we need those gases from around 315 parts per million to around 370 parts per million Huge quantities of extra carbon dioxide From 1957 to 1997 7. What are the effects of global warming The sea level to rise Severestorms,droughts ,famines, the spread of diseases, and the destruction of species Make plants grow faster. The main idea of the passage: Part 1(Paragraphs 1) Part 2(Paragraphs 2-4) Part 3(Paragraphs5-10) Introduce a debate over the issue of global warming Illustrate how global warming comes about List two different attitudes among scientists towards global warming Part 4(Paragraphs 11) It’s up to readers to think and decide whether people should do something about global warming or not Finish Ex.2 ( decide whether the statements true or false after reading the article carefully) What can we do to control the greenhouse effect Let us save energy and protect environment together.
