男性，50岁。右侧结肠癌拟行根治术，病人术前连服药几天肠道消炎药（）
A.1天
B.2天
C.3天
D.4天
E.5天
参考答案：C
He has a habit of keeping his arms _____ when talking to others, which I personally think _____ impolite
to his audience. [ ]
A. to be folded; it
B. being folded; X
C. folded; it
D. folded; X
为提高供电的可靠性，供电所各条线路、台区、用电村负责人应根据（）的原则，合理安排各类停电工作。
A.先停后算
B.先算后停
C.边停边算
D.轻重缓急
talking to others, which I personally think _____ impolite