牛津译林版九年级下Unit4 Reading学案
【导入新课】
Step I Lead-in (导入部分)
1. What’s life like on the earth? It is becoming more and more crowded and polluted.
Hopefully, we can build a better world on another planet.
2. Mars is nearest to the Earth in the solar system. Maybe moving to Mars is a good choice. But how can we go to Mars? (space shuttles spacecraft)
3. How can we live there? (oxygen) Who can help us do many things?(robots)
We will float because of gravity. So we have to wear special boots with various designs.
4. People have long been dreaming about living on Mars. There are a number of films about this topic like The Red Planet and Mission to Mars .Do you believe that humans will ever be able to live on a different planet?
5. Now, let’s watch some pictures about life on Earth today .Teach crowded and polluted.
【板书课题】9下Unit4 Reading
【学习目标】
1掌握词汇：planet, crowded, polluted, rapid, increase, passenger, uncomfortable, oxygen, tasty,
2词组：by the year 2100, become more and more crowed, all over again, at present, large numbers of, at a speed of, in the form of, three-eighths, prevent sb. from doing, compare to/with, in some ways, connect to, as well as
3句型：At present, our spacecraft are too slow to carry large numbers of people to Mars.