题目内容：

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, “A friend in need is a friend ________(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.