1. 人教修订版 高中三年级 Unit 2

3. Language preparation Fact box 1. The Tibetans have lived in the Himalayas for centuries and they have adjusted to the extreme conditions. 2. In 1924, two British men were lost when their oxygen ran out.

4. Expressions used to make decisions: It’s hard to decide … however. Take everything into consideration, I … In spite of …, I still believe… I am likely to think… because… My choice will be…

5. Samples A: Mountain climbing is dangerous and climbers have to face a lot of other dangers besides the cold and thin air. But according to my knowledge, people can only survive above the death zone for a few days even with extra oxygen. In spite the of fact that A: Mountain climbing is dangerous and climbers have to face a lot of other dangers besides the cold and thin air. But according to my knowledge, people can only survive above the death zone for a few days even with extra oxygen. In spite the of fact that

6. Tibetans have survived in such extreme conditions for centuries, I still believe it is almost impossible for the climbers from other regions to climb Mount Everest without extra oxygen. B: Since Tibetans have lived in Himalayas for centuries. It is possible B: Since Tibetans have lived in Himalayas for centuries. It is possible

7. for other people to adjust to such high attitude if they follow a natural process of training. Take the fact into consideration, I think that two British men were lost because they were not well prepared before their climbing.

8. List the positive and negative examples or facts. Should we use robots to take the place of human beings in space travel?

9. Samples A: I think we should use robot to take the place of human beings for the following reasons. First, robots can make the job easier. Second, robot will make the exploration safer without risking people’s lives. Third, robots do better job than human,

10. because they can be more exact in collecting and analyzing data. B: I think we should not use robots to take the place of human beings because space travel explores human’s possibilities. Space travel tests people’s courage, endeavor and ability. If we use robots we will

11. become too dependent on them and lose courage in space exploration. Take Apollo’s landing on the Moon as an example, if it were not Armstrong and his co-workers, we would not know what the moon is really like.

12. Pre-writing Spoil/ lower Minimize human’s achievement. Take away the fun to risk It only proves the advancement of technology, but not human’s advancement in exploration Take away the chance to test people’ courage

13. Doesn’t Spoil/ lower Can’t make it without technology Achieve greater progress Make the task easier and faster Make sports and exploration less dangerous

14. Writing Write opinion sentences by following the chart. Positive opinion Negative opinion Writer ’ s opinion (student)

15. Homework 1. Improve your work after class by following the rules we learnt in class. 2. Review all the words and sentence structures learnt in the unit.