A) 根据首字母及所给中文提示或英文解释，写出句中所缺单词。
1. All the doctors and nurses on the ORBIS plane are v_____________.
2. Do you know the saying, “ ________(真正地).
3. K____________ is power, and we should try to learn as much as we can.
4. It’s very important for us to form team s________ during the charity walk..
5. The old man has nowhere to live, so he is h________.
6. We have done a lot of ________(研究) on teenage problems.
7. They are receiving t_______ in playing table tennis.
8. You should pay ___________(注意) to your writing,Hellen.
B) 根据句意，用所给词的适当形式填空。
9. The heavy work ________________(affect) his health, so he looks much older.
10. Can I have a _______________(medicine) examination today? I don’t feel well.
11. Dr. Brown felt tired because he had two_______________(operate) in the day.
12. With the ____________  (develop) of the modern medicine, many cases can be cured or prevented.
13. The 2012 Olympic Games will ____________ (hold) in London.
14. If you get to a new place,you may get______(lose).
15. Many parents send their children to the USA for _________(far) study.