题目内容
9. I'd like to (make something greater in number,value,etc. ) my vocabulary.
9. increase
13. 两次获得诺贝尔奖14. 对人类而言是未知的
1. We will send some robots to Mars as the (explore) .
5. (2015 •南京) With the (develop) of technology,the journey to Mars might only take about 20 minutes in spacecraft in the future.
4. Now Daniel’s father is the youngest (教授) in this college.
4. Christopher Columbus was a brave man (go) somewhere strange.
() 1. Many satellites have been sent into space.
A. for B. to C. off D. up
() 2. There are too many people in the house. There isn’t enough for us all.
A. rooms B. space C. floor D. ground
3. His father’s hobby is collecting (硬币) .
