1. Unit 1 Life on Mars Reading

2. Part One Lead-in What problems does Earth have?

3. Earth Mars a better world … crowded polluted

4. 1Our Earth is becoming a crowded and polluted p____ (a large body in space that moves around the star, e.g., the sun). 2 Because of the g_____ (a power that keeps us from floating in the air), we can stand and walk on Earth. lanet ravity Task One Filling in the blanks Part Two Pre-reading

5. 3It takes s________ (a vehicle designed for travel in space) months to travel to Mars at present. pacecraft 4The first s______ (people who go to live in a new place) on Mars should d______ (grow and improve) plants that can produce oxygen, food and water. ettlers evelop

6. 5The r_____ (machines that can do tasks under the control of computers) will do most of the work on Mars, but the food may be in the form of p___ (small round pieces of medicine) and not very tasty. obots ills

7. 1 Color: 2 Size: 3 Location: 4 Moons: 5 Surface: 6 Temperature : Task Two Sharing my research on Mars

8. red

9. MercuryVenus Earth Mars One-half the diametre of Earth

10. Pluto Jupiter Uranus Neptune Earth Venus Mars Saturn Mercury Eight planets in our solar system 水星 金星 木星 土星 天王星 海王星

11. Two moons PhobosDeimos

12. The surface of Mars is a little like the surface of Earth.

13. -133 ℃ ～ 27 ℃ Temperature:

14. 1Color: 2Size: 3Location: 4 Moons: 5 Surface: 6 Temperature: My research on Mars red one-half the diametre of Earth between Earth and Jupiter Phobos, Deimos a little like the surface of Earth -133 ℃ ～ 27 ℃

15. Task Three Guessing and searching crowded planet space shuttles speed boots space home robot settlers online teacher search

16. crowded planet The population on Earth is about 6.4 billion in 2007. It’s still increasing quickly.

17. space shuttles They are new kinds of spacecraft which can travel faster in space.

18. speed boots They are special shoes that can make you walk faster in space.

19. space home It’s a special round house in space.

20. robot settlers Settlers are people who go to live in a new place. Maybe robots will move to Mars and live on it first.

21. online teacher The teacher who can help you at any time and any place in an online school is called ‘online teacher’.

22. Part Two While-reading Task One Skimming Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 Para 7 Crowded, polluted Transport Food, water and air Gravity Home School Food

23. Task Two Scanning 1 What vehicle do people use to go to Mars at present? And how long does it take? 2 What vehicle may people use to go to Mars in the future? And how long will it take? 3 What will scientists do to solve the problems of food, water and air? 4 What will food on Mars be like?

24. 5 Is gravity on Mars a big problem? Why? 6 What may happen then? 7 What kind of shoes should people wear? 8 What kind of house may people live in ? 9 Who will do most of our work? 10 What kind of school will students study in? And what do they call their teacher?

25. transport Spacecraft. Space shuttles. Only a very short time. 1 What vehicle do people use to go to Mars at present? And how long does it take? Months. 2 What vehicle may people use to go to Mars in the future? And how long will it take?

26. Food, water and air 4 What will food on Mars be like? Maybe the food will be in the form of pills. 3 What will scientists do to solve the problems of food, water and air? Scientists will develop plants that can grow on Mars and produce food, water and oxygen.

27. Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth. People may jump high easily and float away into space. People should wear special boots to make themselves heavier. 5 Is gravity on Mars a big problem? Why? 6 What may happen then? 7 What shoes should people wear? gravity

28. home 8 What kind of house may people live in? 9 Who will do most of our work? A special dome with 10 bedrooms is highly possible. Robots.

29. school 10 What kind of school will students study in? And what do they call their teachers? Students can study in online schools and they call their teachers ‘e-teachers’.

30. Post-reading Task One Filling in the form below Mars in 2100 1 It’s clean and has lots of space. 2 Space shuttles travel at half the speed of light. 3 It’s only about three-eighths of the gravity that we have on Earth. 4 People wear special boots. 5 People live in a dome with 10 bedrooms. 6 We take exams in online schools. 7 Meals are just pills. (Page 11 Part C2)

31. Task Two Discussion about Task Two Discussion about life on Mars ※ It’s not ________ or ________. ※ The ________ is more convenient. ※ People will wear special _____. ※ People will have ______ space. ※ ______ will do most of our work. ※ We’ll have more time for_______. ※ Students will study in ______ schools. Advantages crowded polluted transport boots more Robots hobbies online

32. Disadvantages ※ Low _______ will be dangerous. ※ Food does not taste _____. ※ Space travel makes people feel ______. ※ It’s too ____ to stay outside. ※ It’s too ___ away from friends on Earth. gravity good ill/sick far cold

33. Task Three Completing Exercise C1 on page 11 of the Students’ Book Keys: 1 a 2 b 3 c 4 c 5 b 6 b 7 a 8 b

34. Important sentences 1 There will be various designs for settlers to choose from. 将有许多种设计可供移居者 选择。 我有很多双鞋子可以选择，但我决定不了 选哪双。 I have many pairs of shoes _____________, but I don’t know which pair _________. to choose from to choose to choose from… 意思是 “ 从 …… 中挑选 ” 。

35. 2The journey might take only a very short time in space shuttles that travel at half the speed of light. 用以光速一半速度飞行的太空穿梭机进 行的旅程可能只要花很短的时间。 此句是 that 连接的定语从句， that 修饰先行词 space shuttles 。

36. 3Compared with life on Earth, life on Mars will be better in many ways. 与在地球上的生活相比，火星上的生活在 很多方面将会更好。 与我们的那条路相比，这条路繁忙得多。 This road is quite busy ________ _______ ours. compared compared with… 意思是 “ 与 …… 做比较 ” 。 在句中是过去分词短语作状语，此时 with 和 to 可通用。 with/to

37. 江阴大桥把江阴和靖江连接了起来。 Jiangyin Bridge _______ Jiangyin __ Jingjiang. connects to 4Every student will have a computer at home connected to inter-planetary network. 每个学生在家里有一台连接星际网络的电脑。 connect to 意思是 “ 与 …… 连接 ” 。这里的 connected to 是过去分词后置作定语，修饰 computer 。

38. Additional exercises A 、用括号内所给词的适当形式填空 1 There is less air ________ (pollute) in town that in the city. 2 Look at the newest T-shirt. It’s made of cotton. I think it will become _________ (fashion) this summer. 3 It’s ______ (high) possible that people can live on Mars in the future. pollution fashionable highly

39. 4Grandma is too old _______ (settle) on another planet at present. 5The helmet is made of metal. It’s too heavy. When I wear it, I feel ________ (comfort). 6 My father cooks very well. The food he cooks is as _______ (taste) as that in the restaurant. to settle uncomfortable tasty

40. 7 Here are many kinds of moon cakes for you __________(choose) from. 8 _________ (compare) with what he had already, the new stamps were not very interesting. 9 _______ (hope), doctors have found a new way to operate on the patients — flying hospital. 10 We should keep water from _____ (be) polluted. to choose Compared Hopefully being

41. Many people believe that we will live on _____ by 2100 because of the large __________ and the serous ________ on Earth. _________ with life on Earth, life on Mars will be different in many ways. Space _______ that travel at half the _____of light may take the place of _________. So _________ will be much better. Humans on Mars will wear special _____ to keep themselves from _____ away into space as _______ here is very low. Mars population pollution Compared shuttles speed spacecraft transport boots flying gravity B 、 Rewriting the story

42. People may even live in a _____ with ten bedrooms. ______will help to do most of the work so that we’ll have more time for our________. Students can study in _____ schools. Each student will do their homework and take ______ with the help of a computer which is _________ to an interplanetary network. Scientists will _______ plants that can _______ food, water and air we need. But the food may be in the form of pills which is not so ______. Do you like the changes? dome Robots hobbies online exams connected develop produce tasty