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【单选题】
关于车载充电机,下列说话正确的是( )。
A.
将交流电整流成直流电,为动力电池充电
B.
将交流电整流成直流电,为低压电池充电
C.
将直流电整流成直流电,为低压电池充电
D.
将直流电整流成交流电,为低压电池充电
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举一反三
【单选题】如果说新世纪的那一场阿富汗战争则预示着信息化战争得到了进一步的发展,那么2003年3月20日打响的()战争则让我们看到了信息化战争的雏形。
A.
海湾
B.
科索沃
C.
伊拉克
D.
阿富汗
【判断题】与滚动轴承相比,滑动轴承承载能力高,抗振性好,噪声低。
A.
正确
B.
错误
【单选题】在 ISO / OSI 参考模型中,最低层和最高层分别为
A.
链路层和表示层
B.
网络层和应用层
C.
物理层和应用层
D.
传输层和会话层
【单选题】Some recent historians have argued that life in the British colonies in America from approximately 1763 to 1789 was marked by internal conflicts among colonists. Inheritors of some of the viewpoints o...
A.
potentially verifiable
B.
partially justified
C.
logically contradictory
D.
ingenious but flawed
【单选题】Some recent historians have argued that life in the British colonies in America from approximately 1763 to 1789 was marked by internal conflicts among colonists. Inheritors of some of the viewpoins of...
A.
potentially verifiable
B.
partially justified
C.
logically contradictory
D.
ingenious but flawed
【多选题】近代中国革命的根本任务是:( )
A.
推翻三座大山
B.
实现国家独立和人民解放
C.
为建设富强民主的国家创造必要的条件
D.
实现全面小康
【判断题】与滚动轴承相比,滑动轴承承载能力高,抗振性好,噪声低。
A.
正确
B.
错误
【单选题】Some recent historians have argued that life in the British colonies in America from approximately 1763 to 1789 was marked by internal conflicts among colonists. Inheritors of some of the viewpoints o...
A.
potentially verifiable
B.
partially justified
C.
logically contradictory
D.
ingenious but flawed
【单选题】Some recent historians have argued that life in the British colonies in America from approximately 1763 to 1789 was marked by internal conflicts among colonists. Inheritors of some of the viewpoints o...
A.
potentially verifiable
B.
partially justified
C.
logically contradictory
D.
ingenious but flawed
【单选题】Itwasnotuntil1920_______regularradiobroadcastsbegan
A.
while
B.
Which
C.
that
D.
when
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