83．A l　　 　of vitamin E is a frequent cause of muscle weakness.

82．She shouted at me, but I tried to keep c　　 　and ignore her.

81．She was deeply a　　 　by the deeds of the hero who fought in the war.

80．She 　　　(概括) the aims of the national basketball team for the next year at yesterday’s meeting.

79．How many Chinese 　　　(代表) will attend the international conference?

78．The physician was not experienced, so he did not know how to 　　　with (处理) the illness.

77．A man who 　　　(目睹) the accident said that the car was going at nearly 100km per hour when it crashed.

76．What Daniel said just now 　　　(表明，预示) that he knows what has happened to Jane.