参考答案:
1. F
2. B
3. H
4. C
5. F
6. YES
7. NO
8. NOT GIVEN
9. home
10. 2.8s
11. oil
12. sextant
13. Marine chronometer
Passage2: 沙漠化 Passage3: 睡眠研究
写作回忆: 小作文:流程图(用grass, newspaper, food 生产有机肥料) 大作文:As major cities around the world are growing fast and many problems occur. What are the problems that young people live in cities are caused by continued growth? What solutions do you suggest?