电缆与热力管道（管沟）相互交叉时最小净距应保持（）m。
A.0.5
B.0.25
C.1.0
D.1.5
参考答案：C
The magazine ____ be Lily's. Look, her name is on its cover. [ ]
A. may
B. might
C. could
D. must
内部营销的起点是（）
A.人员招聘
B.人员发展
C.内部支持
D.留住人才
