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【简答题】
Why does Watson want readers to read Shi Ji , Han Shu and Zuo Zhuan the way they read the works of Herodotus, Thucydides, Polybius, or Livy? What do you think of Watson’s understanding of Shi Ji?
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【简答题】请写出四点法建立工具坐标系的步骤。
【简答题】简述,此零件利用面、线、点的3-2-1法建立坐标系的步骤!
【单选题】以下在数控车床上建立外圆车刀X轴坐标系的步骤正确的是( )
A.
试切外圆→刀具沿Z向退出→测量试切外圆直径→输入到对应的刀偏号中
B.
试切外圆→刀具沿Z向退出→测量数值→输入刀补
C.
试切端面→刀具沿X向退出→测量数值→输入刀补
D.
试切端面→刀具沿X向退出→输入Z0到对应的刀偏号中
【单选题】听力原文：Jack, you're talking big about how great your team is and how bad they'll beat my team Saturday. Let's bet fifty dollars on who wins. Let's see you put your money where your mouth is. What does t...
A.
He's boasting of his own team.
B.
He's speaking iii of the speaker's team.
C.
He likes to bet money for his team.
D.
He enjoys betting with the speaker.
【单选题】为表示关系 100≥b≥0 ,应使用 C 语言表达式
A.
(100>=b)&&(b>=0)
B.
(100>=b)and(b>=0)
C.
100>=b>=0
D.
(100>=B)&&(B>=0)
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