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【多选题】
关于工程机械起动机的换向器,下列描述正确的是:( )。
A.
相邻两个换向片之间是绝缘的
B.
测量相邻两个换向片之间的电阻值应为无穷大
C.
测量相邻两个换向片之间的电阻值应很小
D.
测量任意两个换向片之间的电阻值应很小
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【简答题】Today, computers 5 most telephone calls.
【判断题】Most of the computers designed today are capable of consuming less electricity than before.
A.
正确
B.
错误
【单选题】道德和法律的区别是
A.
法律调整人的内心,道德调整人的外部行为
B.
法律具有外界强制力,道德不具有外界强制力
C.
道德调整的范围比法律调整的范围广
D.
道德比较具体,而法律则比较抽象
【单选题】Most computers today have modem cards , also known as .
A.
internal modem
B.
external modem
C.
adapter cards
D.
TV turner cards
【简答题】Today almost everyone knows computers and the Internet. If I ask you “what is the most important in your life?” maybe you will say “Computers and the Internet.” The first computer was made in 1946. It...
【简答题】But most of these machines did not have all the( ) 特征 that we associate with computers today.
【多选题】皮亚杰根据儿童认知发展阶段把儿童游戏分为:
A.
练习性
B.
象征性
C.
结构性
D.
规则游戏
【简答题】Today almost everyone knows computers and the Internet. If I ask you “What is the most important in your life ?” maybe you will say “Computers and the Internet.” The first computer was made in 1946. I...
【简答题】皮亚杰根据儿童认知发展阶段把儿童游戏分为
【单选题】Most of today computers have ____ microprocessors, so they typically use the corresponding version of Windows 7.
A.
16-bit
B.
32-bit
C.
64-bit
D.
128-bit
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