四、词汇(共15小题；每小题1分，满分15分)
A. 请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。
41. Wang Yaping is one of the excellent (飞行员) in China.
42. Neil Armstrong was the (骄傲) of the whole world.
43. As Chinese (a person who lives in a country and enjoys rights there), we feel proud of our country.
44. Edison a lot of things when he was alive.
45. However, on their way back to the Earth, the spacecraft began spinning out of .

41.pilots 42.pride 43.citizens
44.invented 45.control

B. 请根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。
far science fly success wide
46. The peace talk went on in the end.
47. He will go to Peking University for study after graduating.
48. That will be a boring with no one to chat with.
49. Marie Curie pushed for the use of X - ray machines, which are now used in hospitals.
50. I think Darwin was one of the greatest in history.

46.successfully 47.further 48.flight
49.widely 50.scientists