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【单选题】
对于 NPN 型三极管 , 工作于放大区时 , 应该满足 ( )A.
UC>UB>UE
B.
UC>UE>UB
C.
UB>UC>UE
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following can be inferred from the text?
A.
It is reasonable for people to resist instant coffee.
B.
Advertising does not always assure favorable sales results.
C.
People pay little attention to advertising.
D.
Regular coffee has better taste than instant coffee.
【单选题】It is reasonable for people to pursue a career in fields related______ their favorite hobbies.
A.
on
B.
for
C.
at
D.
to
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