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.