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【单选题】
下述哪项不是高血压的合并症：A.
肝硬化
B.
肾脏损害
C.
心脏损害
D.
脑血管病
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【单选题】The JFET is a ( ).
A.
voltage-controlled device
B.
current-controlled device
C.
frequency-controlled device
D.
power-controlled device
【单选题】The pinch-off voltage of a JFET is
A.
a negative number
B.
a positive number
C.
zero
D.
depending on the operating condition
【单选题】It is important to remember that when the JFET is used as a voltage variable resistor, which is one of its practical applications, the voltage is ________ and is ________ . ( )
A.
very much greater than; very much greater than
B.
very much less than; very much greater than
C.
very much greater than; very much less than
D.
very much less than; very much less than
【简答题】5 月 4 日,从工商银行取得临时借款 800000 元,存入存款账户。
【单选题】The ( ) terminal of the JFET is the equivalent of the base terminal of a BJT.
A.
gate
B.
drain
C.
source
D.
anode
【单选题】The maximum current in a JFET is defined as IDSS and occurs when VGS is equal to ( ).
A.
zero Volts
B.
pinch-off voltage
C.
a small positive voltage
D.
a voltage greater than the pinch-off voltage
【单选题】It is important to remember that when the JFET is used as a voltage variable resistor, which is one of its practical applications, the voltage VDS is ________ VDS(max) and | VGS | is ________ |VP|.
A.
very much greater than; very much greater than
B.
very much less than; very much greater than
C.
very much greater than; very much less than
D.
very much less than; very much less than
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