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【单选题】
关于数控镗铣床固定循环说法错误的是:A.
通常针对加工动作设计的循环子程序
B.
调用也是通过M代码指令进行
C.
常用的循环调用指令用G73、G74、G76、G80 ~ G89等
D.
根本目的是为了简化程序、减少编程工作量
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举一反三
【单选题】——________ Mary happy today? ——I don’t think so. She ________ look happy this morning.
A.
Is, isn’t
B.
Is, doesn’t
C.
Does, doesn’t
D.
Does, isn’t
【单选题】— ________ the girls happy? — No, ________. [ ]
A.
Are; they aren't
B.
Are; they are
C.
Are; there aren't
D.
Are; there are
【简答题】that he wasn't happy with the arrangements, I tried to book a different hotel. A) Puzzling B) Penetrating C) Perceiving D) Preserving
【单选题】—Happy Halloween! —_______ [ ]
A.
Happy New Year!
B.
The same to you!
C.
Thank you!
D.
Don't say that.
【简答题】He was so happy to go home that he couldn’t sleep on the train． He was ______ happy to sleep on the train because he was going home．
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