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【单选题】
.Our team was ahead during the first half, but we _____ in the last ten minutes.A.
were won
B.
were lost
C.
were beaten
D.
won
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【判断题】当用 G02/03 指令,对被加工零件进行圆弧编程时,圆心坐标 I 、 J 、 K 为圆 弧重点到圆弧中心所作矢量分别在 X 、 Y 、 Z 坐标轴方向上的分矢量 ( 矢量方向指 向圆心)。
A.
正确
B.
错误
【判断题】当用G02/G03指令,对被加工零件进行圆弧编程时,圆心坐标I、J、K为圆弧终点到圆弧中心所作矢量分别在X、Y、Z坐标轴方向上的分矢量(矢量方向指向圆心)
A.
正确
B.
错误
【单选题】If there were no subjunctive mood, English _____ much easier to learn.
A.
could have been
B.
would'be
C.
will be
D.
would have been
【简答题】Transforn the following into inverted ones: 1. If I had any money with me,I could lend you some. 2. If there were no air or water,there would be no living things on the earth. 3. If he should come her...
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