题目内容

Before going to college, have you ever(expect)____what college life will be like?

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Last year, the twin sisters travelled around the world to(pursuit)____their dreams.

The smile on her face made all her efforts(worthy)____.

辅助功能M01的作用是()。

A. 条件停止
B. 无条件停止
C. 程序结束
D. 单程序段

数控车床编程中,插补指令G71使用时,参加循环的程序段中,第一段必须由()指令指定。

A. G00或G01
B. G02或G03
C. G90或G91
D. G41或G42

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