14. It is said that the first ______________ (殖民者) of this country are prisoners.

13. I bought this bag as a ______________ (纪念品) of my visit to London.

12. Some mushrooms are p______________ (有毒的).

11. The government calls on the youth to ______________ (捐献) their blood voluntarily.

10. What’s the ______________ (程序) for opening a bank account?

9. International terrorism is not just a recent ______________ (现象).

8. Heavy duties on imports and exports are a ______________ (障碍) to international trade.

7. He got a ______________ (专利) for this invention.　

6. I saw them through a ______________ (望远镜) from the top of the building.

5. My ______________ (同事) has broken off the habit of smoking.