译林版九年级下册英语精品教学课件 Unit 4 Life in Mars 第7课时 task.pptVIP

* 1. To finish a guide to living on Mars on Page 62. 2. To finish the guide to living on Mars in the future. 3. To write your own guide to living on Mars. Obiectives It’s becoming more and more What’s the life like now on the earth ? crowded （拥挤的） polluted（被污染的） So we should protect our environment. Task How much do you know about Mars? Task Mars 火星平均气温为零下五十五摄氏度,温差较大：在夏季的昼间，气温最高为二十摄氏度，而在冬季，气温则可低达零下一百多摄氏度。 火星上经常有强风，因而常导致大范围的尘暴。它大气非常稀薄，它的主要成份是二氧化碳，其他成份还有氮、氩、氧等。水在火星大气中的比重只有百分之零点零三。因而火星表面异常干燥。 Task Now use your imagination: What will life be like on Mars in the future? Task Robots Task Their e-teachers teach them any time at any place. Task Comfortable No pollution Cars float in the air Task Advantages 1. The ________ is more convenient(方便) . 2. People will wear special _____. 3. People will have ______space . 4. ______ will do most of our work. 5. We’ll have more time for_______. 6. Students will study at ______ schools. transport boots more Robots hobbies online discuss about Life on Mars Task 1. Low _______ will be dangerous. 2. Food does not taste _____ 3. Space travel make people feel ________. 4. There might be __________ aliens . 5. It’s too ___ away from friends on Earth. gravity good ill / sick far dangerous Disadvantages discuss about Life on Mars Task read and understand Daniel’s ideas a Cars float in the air b Low-gravity basketball games c Traffic with no air pollution d Space clothes and food e Many online theatres f Planet Mars Bank g Goods from Earth are hard to find h Visit the two moons Task a Cars float in the air b Low-gravity basketball games c Traffic with no air pollution d Space clothes and food e Many online theatres f Planet Mars Bank g Goods from Earth are hard to find h Visit the two moons Money Match Daniel’s ideas with different subjects Transport Entertainment Shopping Task Entertainment Shopping Money Entertainment Shopping Transport Entertainment Tr