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【多选题】
按照伺服系统类型，可将数控机床的控制系统分为（）A.
开环
B.
闭环
C.
半闭环
D.
循环
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举一反三
【单选题】Such people _______ knew Tom thought he was something of a musician.
A.
who
B.
that
C.
as
D.
whom
【简答题】ABC 三段属于场面描写,表现了( ); C 段中划线的句子是人物的( )描写,写出了( )。
【简答题】.简述桑塔纳轿车全车线路的特点。
【简答题】A．He lost a button at work. B．He doesn't know where he put the calculator. C．He thought he broke something the woman lent him. D．He's not sure how to solve the math problem.
【简答题】About ten years ago, a young and very successful businessman named Josh was traveling down a Chicago neighborhood street. He was going a bit too fast in his shiny, black, 12 cylinder Jaguar XKE, which...
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