物业管理的( )主要有标语、温馨提示、启事、海报和好消息等。
A．条据类应用文件
B．告启类应用文书
C．日常文书
D．礼仪文书
参考答案：B
An investigation group _________ five men and two women has been sent to the spot to look into the
matter.[ ]
A. consists of
B. is consisted of
C. consisting of
D. consisted of
平滑肌纤维的细肌丝附着于（）。
A.密体
B.密斑
C.密体和密斑
D.中间丝
