重点突破部分为词汇表中用黑体标示的重点词汇。全面打尽为词汇表中的普通词汇或短语。
第一组
1. paper
2. pollution
3. future
4. pollute
5. environment
6. planet
7. earth
8. plant
9. part
10. peace
第二组
1. sea
2. sky
3. apartment
4. space
5. human
6. dangerous
7. already
8. factory
9. believe
10. disagree
第三组
1. even
2. shape
3. fall
4. inside
5. possible
6. impossible
7. side
8. probably
9. during
10. holiday
11. word
全面打尽
1. prediction
2. play a part
3. astronaut
4. rocket
5. space station
6. servant
7. over and over again
8. hundreds of
9. fall down
10. look for