18. The United Nations is an 　　　　　organization. (全世界性的)

17. The fire spread 　　　　　(危及)several nearby homes.

16. Our chief c　　　 　at the moment is the weather

15. In Britain, it is i　　 　to drive when you are drunk.

14. We must take the right 　　　　　(措施)or we shall fail.

13. The number of people in the village has d　　　　 　from 150 to 100.

12. New scientific centers have been 　　　　(建立)throughout China.

11. C　　　　 　now permits short hair for women, but it used to be thought queer(怪象).

10. She didn't go. A　　　 　she never got my letter.

9. There has been a 　　　　(减少) in our imports this year.