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【单选题】
球磨机粉碎原理是( )A.
齿的撞击
B.
高速转动的撞击作用
C.
研磨介质作高频振动产生冲击力与摩擦力
D.
圆球的撞击与研磨作用
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举一反三
【单选题】Jack Anderson. Jack graduated from the University of Trent with a degree in Economics two years ago. He would like an academic position. Which position is best for him?
A.
Teacher in kindergarten.
B.
University position.
C.
Secretary position.
D.
Shop assistant.
【单选题】Jack Anderson．Jack graduated from the University of Trent with aDegree in Eco— nomics two years ago．He would llke an academic position．Which position is bestfor him?
A.
Teacher in kindergarten．
B.
University position．
C.
Secretary position．
D.
Shop assistant．
【简答题】在进程的地址空间中,有一条将第1000单元中的数据装入寄存器 R1 的指令 “ LOAD R1 , 1000”,采用静态重定位技术时,装入内存后,该指令的第二个操作数 1 ;采用动态重定位技术时,则 2 。
【单选题】It can be learned from the text that______.
A.
homeschoolers will not adhere to the law
B.
homeschoolers will resist based on their constitutional rights
C.
homeschooling will probably cease to exist
D.
the next step will be to make homeschooling illegal
【单选题】It can be inferred from the passage that ______.
A.
it is beneficial for Britain to be a homogeneous society
B.
it is beneficial for Britain to be ethnically more diverse
C.
the French National Front is coward
D.
the Sun enjoys the greatest popularity
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