像指示一样，所有机关及其首长均有权发布命令。 ( )
参考答案：对
Pointing to the house on ____roof grew lots of bush, the old man told me that was ____ I would stay.
A．its; what
B．whose; what
C．whose; where
D．its; where
对接完毕要对软管进行气密性压力试验，LPG试验压力为（），确认无渗漏后，方可进行作业。
A、0.4MPa
B、1.1MPa
C、1.6MPa
D、1.8MPa
