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【单选题】
主轴正转、转速 1000 转的正确书写是:( )。
A.
M04S1000
B.
M03S1000
C.
M05S1000
D.
M30S1000
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举一反三
【单选题】There is only _____ snow on the road now. [     ]
A.
a lot of
B.
a little
C.
lots of
D.
little
【单选题】计算平均指标时最常用的方法和最基本的形式是(    )。
A.
中位数    
B.
众数    
C.
调和平均数    
D.
算术平均数
【单选题】计算平均指标时最常用的方法和最基本的形式是()
A.
中位数
B.
众数
C.
调和平均数
D.
算数平均数
【简答题】To relax himself for a little while, he rose from the computer desk, walkde across the room towards the window and streched both arms upwards and _______A. sideways B. sub C. striking D. successi...
【单选题】What ' s the EPA ' s attitude to recycling aluminum cans? A . It is helpful to the environment. B . It is actually a waste of money. C . It costs less than recycling paper. D . It costs the same as pr...
A.
B.
C.
D.
D
【单选题】There are ________ small animals in the zoo.
A.
lot of
B.
lots of
C.
a lots of
D.
a little
【单选题】To relax himself for a little while, he rose from the computer desk, walkde across the room towards the window and streched both arms upwards and _______
A.
sideways
B.
suburban
C.
striking
D.
successive
【单选题】【C8】
A.
lots of
B.
a bit of
C.
a little
【简答题】A.It starts at 8:00. B.It is from 5:30 to 8:00. C.It starts at 5:00. D.It isn't mentioned.
【简答题】To relax himself for a little while , he rose from the computer desk , walked across the room towards the window and stretched both arms upwards and .
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