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【单选题】
某BJT处于放大状态时,测得其各电极电位如图2所示,则该( )A.
PNP锗管
B.
PNP硅管
C.
NPN锗管
D.
NPN硅管
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皮皮学刷刷变学霸
举一反三
【单选题】Companies still cannot gauge the effectiveness of advertising now as they failed to do 100 years ago.
A.
T
B.
F
【多选题】Many companies have gained bad reputation because they failed to maintain a responsible relationship with ____.
A.
customers
B.
workers
C.
society
D.
shareholders
【单选题】Private cable TV companies could not sustain for long because ______.
A.
they failed to obtain the government support
B.
they annoyed their customers
C.
they had only limited services
D.
they did not have licenses
【判断题】Companies still cannot gauge the effectiveness of advertising now as they failed to do 100 years ago.
A.
正确
B.
错误
【判断题】Companies still cannot gauge the effectiveness of advertising now as they failed to do 100 years ago.
A.
正确
B.
错误
【判断题】Smartwatch companies all failed to win the female market because women consider it geeky.
A.
正确
B.
错误
【判断题】Companies failed to achieve a balance between taking data as prized commodity and protecting consumers.
A.
正确
B.
错误
【单选题】Agricultural companies have failed to convince ______ that genetically modified foods are safe, so the market demand was shrinking.
A.
manufacturers
B.
consumers
C.
researchers
D.
investors
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