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【简答题】
习题11-17图示对称三相电路中,电源相电压 V负载阻抗Z=R+jωL=6+j8 Ω。求:
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【单选题】A country must always be __________guard against spies and invaders.A.inB.to###SX
A.
A country must always be __________guard against spies and invaders. A.in
B.
to
C.
with
D.
on
【单选题】The website allows you to take a ________tour of the art gallery.
A.
verified
B.
volume
C.
various
D.
virtual
【单选题】Be on your ______ against thieves while you are in the crowd.
A.
watch
B.
move
C.
point
D.
guard
【单选题】We must be ______ our guard against this kind of disease.
A.
on
B.
in
C.
with
D.
for
【单选题】The hotel website allows the guests to check various hotel _____ online.
A.
details
B.
prices
C.
transportation
D.
staff
【单选题】Guard against Damp
A.
防潮
B.
抗疫
C.
保卫
【简答题】The website allows you to take a __________ tour of the art gallery.
【简答题】服这药一天两次
【简答题】The website allows people to ______ me directly about my editing and mentoring services.
【单选题】服药:一天两次
A.
TDS
B.
QD
C.
BD
D.
WKS