( )7. There is not any water __________ air on the Moon.
A. or B. and C. but D. nor
A. or B. and C. but D. nor
答案
一、1—5 BCB CA 6—10 DADAC
( )8. It is said that the new spacecraft can travel __________ the speed of light.
A. in B. on C. with D. at
A. in B. on C. with D. at
答案
一、1—5 BCB CA 6—10 DADAC
( )9. Jimmy has sixteen broken bikes to __________ and give away to kids who don't have bikes.
A. fix up B. set up C. put up D. come up
A. fix up B. set up C. put up D. come up
答案
一、1—5 BCB CA 6—10 DADAC
( )10. Don't you know __________ Liu Yang is the first woman astronaut in China to travel in space?
A. if B. whether C. that D. what
A. if B. whether C. that D. what
答案
一、1—5 BCB CA 6—10 DADAC
1. Our planet will become more and more crowded because of the __________ (quick; fast) increase in population.
答案
二、1. rapid 2. polluted 3. planets 4. passengers 5. compare
2. —Is it a __________ planet? —Of course not. The air is so clean there.
答案
二、1. rapid 2. polluted 3. planets 4. passengers 5. compare
3. As we all know, humans live on one of the __________ (行星) of the Solar System (太阳系).
答案
二、1. rapid 2. polluted 3. planets 4. passengers 5. compare
4. These __________ (乘客) are so noisy in the bus. I cannot bear them any longer.
答案
二、1. rapid 2. polluted 3. planets 4. passengers 5. compare
5. Please don't __________ (比较) your children with others. They have their advantages.
答案
二、1. rapid 2. polluted 3. planets 4. passengers 5. compare
1. __________ water is dangerous to people's health, so I think our work is very meaningful.
答案
三、1. Polluted 2. crowded 3. uncomfortable 4. challenging 5. specially
2. The park is __________ with too many people. It is better that we come tomorrow.
答案
三、1. Polluted 2. crowded 3. uncomfortable 4. challenging 5. specially
3. It's __________ for me to take a bus to go to work. I often feel sick. I like riding a bike.
答案
三、1. Polluted 2. crowded 3. uncomfortable 4. challenging 5. specially
4. My parents don't allow me to take part in __________ activities.
答案
三、1. Polluted 2. crowded 3. uncomfortable 4. challenging 5. specially
5. The wheelchair is __________ designed for the disabled people.
答案
三、1. Polluted 2. crowded 3. uncomfortable 4. challenging 5. specially
1. The plane __________ the airport before landing this morning.
答案
四、1. circled 2. increases 3. will taste 4. takes
2. People might move to another planet in the future because the population on the Earth __________ rapidly.
答案
四、1. circled 2. increases 3. will taste 4. takes
3. If there is fresh food there, meals __________ as nice as they are today.
答案
四、1. circled 2. increases 3. will taste 4. takes
4. He told us that it __________ Mars about two Earth years to circle around the Sun once.
答案
四、1. circled 2. increases 3. will taste 4. takes
1. 目前，我们的宇宙飞船太慢，以至于无法运载大量乘客去火星。
______________________________
______________________________
答案
五、1. At present, our spacecraft are too slow to carry large numbers of passengers to Mars.
2. Humans cannot survive without water, oxygen or food.
3. Moreover, scientists are not sure whether plants could grow on Mars.
4. However, the spacecraft would travel so fast that the journey to Mars might be quite uncomfortable.
5. Food would most probably be in the form of pills and would not be so tasty.
2. Humans cannot survive without water, oxygen or food.
3. Moreover, scientists are not sure whether plants could grow on Mars.
4. However, the spacecraft would travel so fast that the journey to Mars might be quite uncomfortable.
5. Food would most probably be in the form of pills and would not be so tasty.
