9B Unit1 Life on Mars 复习

课件21张PPT。9B Unit 1
RevisionCan you remember these words correctly?1.吉他
2.宇航员
3.比较
4.开发，发展
→n.
5.漂浮
6.移居者
7.拥挤的
8.专门地，特地
9.药片10.机器人
11.大气，空气
12.想象，设想
13.重力
14.交通工具
15.氧气
16.帐篷
17.讨论(n.)
→v.
18.人口19.行星
20.外星人
21.表面
22.被污染的
→v. / n.
23.流行的，时
髦的→ n.
24.令人愉快的
25.航天飞机Can you remember these words correctly?1.吉他
2.宇航员
3.比较
4.开发，发展
→n.
5.漂浮
6.移居者
7.拥挤的
8.专门地，特地
9.药片1. guitar
2. astronaut
3. compare
4. develop
→development
5. float
6. settler
7. crowded
8. specially
9. pillCan you remember these words correctly?10.机器人
11.大气，空气
12.想象，设想
13.重力
14.交通工具
15.氧气
16.帐篷
17.讨论(n.)
→v.
18.人口
10. robot
11. atmosphere
12. imagine
13. gravity
14. vehicle
15. oxygen
16. tent
17. discussion
→discuss
18. populationCan you remember these words correctly?19.行星
20.外星人
21.表面
22.被污染的
→v. / n.
23.流行的，时
髦的→ n.
24.令人愉快的
25.航天飞机
19. planet
20. alien
21.surface
22. polluted
→pollute, pollution
23. fashionable
→fashion
24. enjoyable
25. space shuttle
Some useful phrases and expressions:
1.居住在火星上
live on (the planet) Mars
2.搬到火星上
move to Mars
3.到2100年时
by the year twenty-one hundred
4.变得越来越拥挤和污染
become more and more crowded and polluted5.在火星上建一个更加美好的世界
build a better world on Mars
6.目前，现在（2）
at present, at the moment
7.大量的人，许多人
large numbers of people
8.以光速一半的速度旅行
travel at half the speed of light
9.早期的移居者们
the early settlers10.地球重力的八分之三
three-eighths of the gravity on Earth
11.漂浮进入太空
float away into space
12.穿特制的靴子来使得他们自己更重些
wear special boots to make themselves heavier
13.与地球上的生活相比较
compare with life on Earth
14.有更多的空间
have more space15.有更多的时间来弄我们的业余爱好
have more time for our hobbies
16.与行星间网络相连接的一台电脑
a computer connected to an interplanetary network
17.在网上学校进行考试
take exams at online schools
18.在许多方面 / 在某些方面，在某种程度上
in many ways / in some ways
19.以药片的形式
(be) in the form of pills20.人类需要食物、空气和水来生存。
Humans need food, water and air to survive.
21.将会有各种各样的设计来供定居者们从中选择。
There will be various designs for settlers to choose from.
22.许多人相信，在火星上，机器人会做大部分工作。
Many people believe that robots will do most of our work on Mars.
23.太空旅行会使很多人感到不舒服。
Space travel will make many people feel ill.Language points1.How do you like…? 与 What do you think of…?
How do you like this film? ==
What do you think of this movie?
2.by the year 2100的用法：
(1) Our new school will be built by the year 2013.
(2) They had learned 5000 words by last term.
(3) had planted
(4) will finish (5) had been 3.hopefully的用法：
(1) Luckily, we caught the last bus.
(2) Unluckily, three people lost their lives in this traffic accident.
(3) Sadly, he didn’t pass the exam again this time.
(4) Hopefully, we can fly to Mars in space shuttles in the future.4.large numbers of people 的用法：
(1) D (2) is (3) plenty of
5.be sure 的用法：
(1) Are you sure of/about your decision?
(2) We’re sure to win. ==
We’re sure that we will/can win.
(3) We’re not sure if/whether these
plants will produce the food and
oxygen that we need. 6.分数表示法：
(1)The gravity on Mars is only about three-eighths of that on Earth.
(2) Two thirds of the students in their class are boys.
(3) Three-fifths of the water in the bottle was drunk by me.
(4) One quarter / A fourth of the teachers are having a meeting now. 7.choose的几个用法：
(1) We will choose to spend our holiday
in Sanya this year.
(2) There’re many books for us to
choose from in the library.
(3) Which (one) will you choose, the red
one or the pink one?8.compare的用法：
(1) Don’t compare me with you. I’m not
the same as you.
(2) Children are often compared to the
young trees.
(3) Compared with him, I can play the
piano much better.
9.population的用法：
(1) What’s the population of Beijing?
---相当于：How many people are there
in Beijing?
(2) Wuxi has a population of about 800,000.
(3) Sichuan has a large population. / 或：
The population in Sichuan is very large.
(人口少：用small)
10. 语法（一）：
(1) Can, can’t (2)may (3)mustn’t
11.语法（二）：
(1) We all know (that) Mars is a planet in the solar system.
(2) I believe (that) people will fly to Mars soon.
(3) I’m not sure if/whether people can live on Mars.
(4) Can you tell me if/whether it takes very long to travel from Earth to Mars?
(5) Do you know if/whether you will wear space helmets on Mars? 12. 词组：
(1) life on Mars
(2) live on Mars
(3) space travel
(4) the journey to Mars
(5) in the form of pills
(6) imagine doing sth.
(7) a space sleeping bag
(8) start with… / begin with… (9) do harm to them / be harmful to
them
(10) advantages / disadvantages of
living on Mars
(11) keep them away with laser light
(12) low-gravity basketball games
(13) a guide to living on Mars
(14) Mars Dollars