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【简答题】
有一盏 220V , 60W 的电灯,接在 220V 的电源上,则通过电灯电阻的电流为 A ,如果每晚用 3 小时,灯泡一个月消耗电能为 kWh ,共产生 J 热量,若每度电费 0.5 元,每月应支付的电费为 。(一月按 30 天计)
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皮皮学刷刷变学霸
举一反三
【单选题】The explorers were ______ to the discomforts and dangers of the expedition.
A.
independent
B.
indifferent
C.
sympathetic
D.
enthusiastic
【单选题】The explorers were _____ straits almost
A.
passable.
B.
immune to
C.
confronted with
D.
capable of
E.
transported
【单选题】The explorers were approaching the fringe of the desert. (近义词)
A.
edge
B.
center
C.
middle
D.
entrance
【单选题】The explorers were confronted mountains almost impassable.
A.
with
B.
at
C.
to
D.
for
【单选题】The explorers were told to（）themselves with everything they would need for the voyage.
A.
associate
B.
equip
C.
retreat
D.
feed
【简答题】看过视频后,请回答,你个人倾向于哪种薪酬模式,为什么?
【单选题】The explorers were _____ straits almost impassable.
A.
immune to
B.
confronted with
C.
capable of
D.
transported
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