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【简答题】
A．It's time for supper now. B．It was a waste of time. C．It took me three hours. D．It was on the second floor.
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反馈参考答案：
举一反三
【单选题】程序段G02 X50 Z-20 I28 K5 F0.3中I28 K5表示( )。
A.
圆弧的始点
B.
圆弧的终点
C.
圆弧的圆心相对圆弧起点坐标的增量值
D.
圆弧的半径
【简答题】A．He was tired of the boring work. B．He was not satisfied with the salary. C．He found no chance of promotion. D．He found no way to like his boss.
【单选题】The salesman retired young because
A.
he disliked using mobile phone
B.
he was tired of talking on his mobile phone
C.
his employer's doctor persuaded him to
D.
he couldn't remember simple tasks
【单选题】It was______ because he was tired out that he fell asleep standing up.
A.
publicly
B.
openly
C.
specifically
D.
obviously
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