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【单选题】
指令格式 G71 U(△d) R(e)中, △ d表示( )A.
粗加工每次背吃刀量（直径值），无符号，车削方向沿 AA ′的方向
B.
退，该参数为模态值，直到指定另一个值前保持不变；
C.
粗加工每次背吃刀量（半径值），无符号，车削方向沿 AA ′的方向
D.
精车程序最后一个的顺序号
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反馈参考答案：
举一反三
【单选题】下列有关实测项目的论述正确的是( )。
A.
关键项目（除机电工程）的合格率应不低于90%，否则该检查项目为不合格
B.
一般项目的合格率应不低于90%，否则该检查项目为不合格
C.
有极值的检查项目，任一单个检测值不得突破规定极值
D.
采用数理统计方法进行检验评定的检查项目，不满足要求时，该检查项目不合格
【简答题】What would happen if a local newspaper published what the big press does not like?
【简答题】计算货物重心纵向最大容许偏移量为a容,当P容-Q≥10t时,公式为____ ,当P容-Q<10t时,公式为____ 。
【判断题】The evolution of life is deliberately designed, affected occasionally by random mutations and natural selection.
A.
正确
B.
错误
【判断题】According to the speaker, what happens in movies does not often happen in real lif
A.
正确
B.
错误
【简答题】A) occasionally B) often C) sometimes D) repeatedly
【单选题】Choose the best answer for each of the following questions. What does NOT happen to interpersonal communication( 人际交往 ) nowadays according to the passage?
A.
People have deeper relationships.
B.
People use the Internet to get in touch with others.
C.
People like texting and messaging more than talking on a phone.
D.
People have more acquaintances through electronic communication.
【判断题】According to the speaker, what happens in movies does not often happen in real life.
A.
正确
B.
错误
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