单位换算:1kΩ=______Ω;1MΩ=______Ω.
(1)1kΩ=1×1000Ω=1000Ω;
(2)1MΩ=1×106Ω=1×106Ω.
故答案为:1000;1×106.
用于中风、癫痫、破伤风的药物有()
A.半夏
B.天南星
C.白芥子
D.白附子
E.川贝母
If you are fighting a fire below the main deck of your vessel,which action is most important concerning the stability of the vessel?().
A.Shutting off electricity to damaged cables
B.Pumping fire-fighting water overboard
C.Maneuvering the vessel so the fire is on the lee side
D.Removing burned debris from the cargo hold