内容正文:
选择性必修第二册练习
Unit 1 Science and Scientists
Using Language
Ⅰ. 单词拼写
1. My job is somewhere between a secretary and a personal __________(助手).
2. She could __________ (追踪)her family tree back to the 16th century.
3. Stephen Hawking was known as an __________(突出的)physicist.
4. We may talk of beautiful things but beauty itself is __________(抽象的).
5. It was a difficult __________(概念) to grasp, but I soon understood it.
6. It’s hoped that the __________ (望远镜) will enable scientists to see deeper into the universe than ever before.
7. Never expect him to come up with a __________(绝妙的) idea.
8. The task is urgent; __________(而且), there’s not much time.
9. My father was very upset. He thought it was his __________ (过失).
10. She tried to __________ (转移)her weight from one foot to the other.
Ⅱ. 选词填空
in charge of, come down, above all, break out, switch. . . to, focus on, be familiar with, take on, trace back to, dream of
1. The Chinese people celebrate the activity of the Labor Da