Unit 1 Life on Mars
1. in the form of pills
2. become more and more crowded and polluted
3. at half the speed of light
4. three-eighths
5. There will be various designs for settlers to choose from.
6. compared with life on Earth
7. The population is still increasing quickly.
8. be fixed to the walls
9. make this dream come true
10. disadvantages of living on Mars
11. start with a discussion
12. do harm to them
13. have robots do all the homework
14. keep these animals away with laser light
15. get about M$10 for every ¥1
16. Everything we need to do is done.
1. 以药片的形式
2. 变得越来越拥挤、污染
3. 以二分之一光速
4. 八分之三
5. 会有各种款式供移民挑选
6. 与地球上的生活相比
7. 人口仍然增长快速
8. 固定在墙上
9. 使梦想成真
10. 住在火星上的缺点
11. 以一个讨论开始
12. 对他们有害
13. 使机器人做所有的作业
14. 用激光使这些动物远离
15. 每一元兑换10火星圆
16. 我们需要做的所有已经做好。