题目内容
5. 通过修建室内操场6. 从地球上搬走
5. by building indoor playgrounds 6. move away from the Earth
17. 火星生活指南18. 受欢迎的娱乐形式
65.(十二分之七) of the students have been to Beijing.
3. People believe that they will live on Mars one day.(改为否定句)
People believe that they live on Mars one day.
() 2. —do we need to move to Mars?
—The Earth is crowded and polluted.
A. How B. Why C. What D. Where
() 2. Plants on Mars should be able to provide food,water and oxygen humans.
A. of B. with C. for D. to
4. 网络游戏是一种非常受欢迎的娱乐形式。
A veryentertainment is online games.
6. What (百分数) of the Earth is covered by the sea?
() 5. Some students think that living on planet is really pleasant.
A. other B. another C. the others D. others
