1. Twenty years ______ passed since we parted.

　 A. was　　　　　 B. has　　　　　　 C. had　　　　　　　 D. is

10. People endlessly o________ natural resources through various kinds of ways.

M6　 Unit 1

I 单选

9. People think it’s i________ to tell lies.

8. The new railway is under c________.

7. He was too ________ (固执的) to admit that he was wrong.

6. I am d________ to have a holiday.

4. The m________ of doctors believe smoking is harmful to health.

5I wish my mother would stop i________ and let me make my own decision.

3. The genes can make crops r________ to pests and diseases.

2. Be ______ (谨慎) as the road is frozen.

1. A good government should work hard to ensure its people enjoy healthy and p_______ lives.