Ⅰ. 单词拼写
1. Such is Liu Yang, the first Chinese woman astronaut(宇航员).
2. He returned to China in 1955 and led the Chinese rocket (火箭)program.
3. As a result, the gravity(引力) of the earth is about six times as great as that of the moon.
4. We should sort out the rubbish, hoping that we might recycle (循环利用) some, which will surely benefit us a great deal.
5. By using your muscles (肌肉)to do powerful things, you can make them stronger than before.
6. They received a number of complaints from customers about the lack (缺乏)of parking facilities.
7. If steel is heavier than water, why are ships able to float (漂浮) on the sea?
8. The traffic rules should be observed strictly; otherwise(否则) you will get into trouble.
9. It’s beyond (超出) my power to make such an important decision.
10. He placed a fixed sun at the centre of the solar(太阳的) system with the planets going round it.
11. The current(当前的) situation is very different to that in 1990.
12. They had sufficient (足够的)money to support their family after they arrived in Canada.
13. With the successful spacewalk(太空行走), China has become the third country, after the United States and Russia, to do so.
14. Some pyramids were used to receive and transmit (传输)energy between planets in the solar system.
15. The theft of the jade (玉器)vase caused much excitement.
