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【单选题】
无源逆变电路中,以下半导体器件采用强迫换流和负载换流的有( )。A.
GTO
B.
SCR
C.
MOSFET
D.
IGBT
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【简答题】Java 应用程序中必须包含 main 方法, main 方法的返回值类型为 _______。
【单选题】Why would the bull not notice it if the gnat left? ( )
A.
Because the gnat was too light and small for the bull to notice it.
B.
Because the bull is a pretty dull animal.
C.
Because the bull deliberately ignored the gnat.
【单选题】Why would the bull not notice it if the gnat left?
A.
The gnat was too light and small for the bull to notice it.
B.
The bull is pretty dull animal.
C.
The bull deliberately ignored the gnat.
【简答题】Java 应用程序中必须包含 main 方法, main 方法的返回值类型为 _______。
【简答题】main 方法的返回值类型是什么？【】
【单选题】Why may the bull sharks attack people frequently?
A.
Because human being is their favorite food.
B.
Because they may wildly attack anything in the area.
C.
Because they swims in shallow waters where people swim.
D.
Because they are very aggressive sharks.
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