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【单选题】
乙类互补推挽功率放大电路中,放大管的击穿电压U(BR)CEO应大于( )。A.
Vcc
B.
Vcc－UCES
C.
2Vcc
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举一反三
【单选题】The author regards the idea that differentiation is triggered randomly when paired claws remain intact as ______.
A.
irrefutable considering the authoritative nature of Emma's observations
B.
likely in view of present evidence
C.
contradictory to conventional thinking on lobster-claw differentiation
D.
purely speculative bemuse it is based on scattered research and experimentation
【单选题】微粉粉碎是指利用一些新的粉碎设备如流能磨等将药料进行细胞级的粉碎操作。植物药料被粉碎成微粉后，细胞破壁率可达到（ ），使药物的生物利用度大大提高
A.
90%
B.
95%
C.
98%
D.
95%以上
E.
100%
【单选题】What triggered the rebellion?
A.
the introduction of a poll tax
B.
The Hundred Years’ War
C.
The famine
【单选题】I can't remember exactly what triggered the explosion but it was pretty______.
A.
estimating
B.
devastating
C.
reprocessing
D.
preferring
【简答题】循证问题(evidence triggered)
【简答题】What triggered/is the fuse of American Revolutionary War?
【单选题】The author regards the idea that differentiation is triggered randomly when paired claws remain intact as ______ .
A.
irrefutable considering the authoritative nature of Emma's observations
B.
likely in view of present evidence
C.
contradictory to conventional thinking on lobster-claw differentiation
D.
purely speculative because it is based on scattered research and experimentation
【简答题】What triggered the revolution of America?
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