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【单选题】
己知刀具沿一直线方向加工的起点坐标为(X20,Z-10),终点坐标为(CX10, Z20),则其程序是( )。A.
G0I X20 Z-10 F100
B.
GO1 x-10 I20 F100
C.
G01 x10 w30 F100
D.
GO1 U30 W-10 F100
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举一反三
【单选题】What is the title of the course?
A.
The survey of China's history.
B.
The survey of China's food.
C.
The survey of China's Culture including its Country Profile, Life and Art, Modern China’s Story and etc.
D.
The survey of China's achievement.
【简答题】镜像的快捷键
【单选题】What is the title of the quiz?
A.
How good is your memory?
B.
How much is your memory?
C.
How much do you know about memory?
D.
Have you got a good memory?
【单选题】What is the title of the passage?
A.
The unjust treatment to American black males.
B.
The unemployment and lack of education of American blacks.
C.
The awful living state of American black males.
D.
The social and economic degradation of U. S.
【简答题】镜像的快捷键
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