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【单选题】
假设电源电压均为V CC ,且或略功放管的饱和压降V CE(sat) ,那么OCL、OTL、BTL电路的最大输出功率P om 分别为( )A.
, ,
B.
, ,
C.
, ,
D.
, ,
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【单选题】they play all kinds of instruments and sing______
A.
Also
B.
Either
C.
As well
D.
As well as
【单选题】They play all kinds of instruments and sing ____.
A.
also
B.
either
C.
as well
D.
as well as
【单选题】______is the largest populous city in Australia.
A.
Melbourne
B.
Perth
C.
Darwin
D.
Sydney
【单选题】Which city is the capital of Australia?
A.
Brisbane
B.
Melbourne
C.
Canberra
D.
Sydney
【单选题】The capital of Australia is Canberra, and the largest city is Sydney; both are located in the______ of the country.
A.
northeast
B.
northwest
C.
southeast
D.
southwest
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