第二部分英语知识运用(共两节,满分40分)
第一节 单项填空(共20小题;每小题1分,满分20分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. Beginning college is exciting:many of us can be easily excited by _______ details of running _______ well-balanced life.
A. /; the B. the; a C. /; a D. the; /