Unit 4 People and the Environment Lesson 2 Man and the Environment（Modern Man and the Earth）课件（21张P

课件21张PPT。Modern Man and the EarthThe passage is probably from____. A. a novel B. a comic book C. a poster about the Earth Hour D. an environmental protection bookThe main idea of each paragraphPara 1: the history of the earth Para 2&3: the bad things we did to the Earth and their bad effectsPara4: the greenhouse effectPara 5: the measures we’ve already have takenPara 11. How old is the Earth? It has a history of more than 4 billion years.For only 35,000 years.They have done both good and bad things to the Earth.2. How long has modern man lived on it? 3. What have people done to the Earth?Scan Para 2-3 and fill in the table:airlandairwatertreeshealthdirtydeaddangerworsePara 2-3pollute bad health problemsthe land,the air and the water dirty, deadanimals:danger air:worseWhat does the word “blanket” mean? A. to cover something completely with a thick layer B. a large cover, often made of wool, used especially on beds to keep people warmPara 4burn oil, coal and woodblanketheatair temperaturePara 5Complete the passage: These problems are very s_____ for our future, but we can do something now. People have already taken a_____ to improve the environment. We can be green consumers. That is, we should only buy and use things that do not d_____ the environment. We should get r__ of the habit of using things once and then throwing them away. eriousctionamageidPara 5Complete the passage:Many countries now use the wind, the sun and the sea to make e_____. In some cities, for example, people cannot drive cars on certain days. In other places, they use electric cars and buses.lectricityPara 5Green consumersonly buy and use things ...Many countriesuse the w..., the s... and the s... to ... don't allow...to drive... encourage...to use...get rid of the bad habit of...Para6: These are just a few of the many things we can do.What else can we do to protect our earth?Means of transport××Environment-friendly bagdustbinturn off wash handsturn off go to bedPost task: Group workStep 1: Four students a group and discuss what good things you have done to protect the environment. Step 2: Present the report. Just now, our group held a discussion on environmental protection. We have worked out several ways to protect the environment. ...suggest... ...advise... ...think it is helpful to... ...point out... In brief, we have only one Earth. Protecting the environment is every citizen's responsibility and moral duty. (保护环境是每个公民的责任和义务。)Presentation1.Read the article fluently after the tape. 2.Retell the passage in your own words. 3.Enjoy a song “Earth Song” Homework