题目内容：

 单词拼写（共10题，每小题1分；满分10分）

根据下列句子及所给汉语注释或单词首字母，在句子右边的横线上，写出空缺处各单词的正确形式。（每空只写一词）

66. He became a top sportsman at some ________（牺牲）to himself, for example, by training very hard, giving up many pleasures, etc.

67. They say such unkind things about you just out of ______________（嫉妒）。

68. Today there are more opportunities for disabled people to develop their _________（潜力）.

69. On _______（平均），people who don’t smoke are healthier than people who do.

70. He ______（按下）the button and the doorbell rang.

71. It is said Yogo is of great b___________ to human health.

72. I washed and _______（剃须）, then hurried out of the house.

73. The thunder is a natural _____________________（现象）.

74. The local c       is francs（法郎）

75. Those who wanted to enter the USA must go through both m        and physical tests.