GIS气室密封情况下实施的局部性检修，如机构解体检查、维修、更换和试验，属于哪类检修？（）
A.A类
B.B类
C.C类
D.D类
参考答案：B
Look at the pride on Tom's face. He _____ to have been praised by the manager just now. [ ]
A. seemed
B. seems
C. had seemed
D. is seeming
开标应当在招标文件确定的提交投标文件截止时间的( )进行。
A．当天公开
B．同一时间公开
C．当天不公开
D．同一时间不公开
