题目内容
6. Scientists have made many important (发现) .
6. discoveries
7. 在67岁时8. 学习数学和物理
用方框中所给动词的适当形式填空
iron last make complete
1. The boy showed his interest in model robots.
2. I expect a robot for at least 20 years.
3. I learned clothes when I was twelve years old.
4. My recorder has stopped working. I need someone to repair it.
3. 一How long has the (宇宙飞船) been on Mars?
—For more than two hours.
2. He worked as a teacher after (graduate) from college.
1. “Maths” is short for (数学) .
1. Who’s the man (call) Tom Davis?
8. — I can’t believe you’ve sold me such a terrible camera. I want my money back ...
—I(listen) ,madam. Can you just slow down and tell me what’s wrong?
5. 袁隆平是世界上一位伟大的水稻科学家。
Yuan Longping isin the world.