徒步巡逻一般采取（）形式。
A、往返巡逻
B、单人巡逻
C、组队巡逻
D、循环巡逻
参考答案：C
Barack Obama, who came into _________ power on January 20, 2009, was awarded _________2009 Nobel Peace Prize.[ ]
A. the; the
B. the; /
C. /; the
D. /; /
《绿色施工导则》提出了哪些绿色施工主要内容（或绿色施工要点）
