【单选题】【消耗次数：1】
数控机床机械故障包括对机床运行装填的识别、预测和监控等三个方面的内容。该说法（ ）
①
正确
②
错误
参考答案：
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相关题目
【单选题】
下列关于数控机床的特点说法错误的是（ ）
①
加工零件的适应性强，灵活性好
②
加工精度高，产品质量稳
③
生产率高
④
减少工人劳动强度
⑤
生产管理水平提高
⑥
增加工人劳动强度
随机题目
【单选题】
18. The earth is about ____ as the moon.
①
as fifty time big
②
fifty times as big
③
as big fifty times
④
fifty as times big
【单选题】
15.–What’s your brother like? –He is____.
①
a driver
②
very tall
③
my friend
④
at school
【单选题】
6. I think science is ____than Japanese.
①
much important
②
important
③
much more important
④
more much important
【单选题】
5. His father began to work ____he was seven years old.
①
as old as
②
as early as
③
as soon as
④
as much as
【单选题】
13. The house is ____ small for a family of six.
①
much too
②
too much
③
very tall many
④
many very tall
【单选题】
10. It was very hot yesterday, but it is ____today.
①
even hotter
②
more hotter
③
much more hot
④
much hot
【单选题】
12. When we arrived, we found the meeting room crowded with ____ students.
①
quite a few
②
only a few
③
few
④
a few quite
【单选题】
9. These children are ____this year than they were last year.
①
more tall
②
more taller
③
very taller
④
much taller
【单选题】
1. This box is ____that one.
①
heavy than
②
so heavy than
③
heavier as
④
as heavy as
【单选题】
14. Through the window we can see nothing but ____ buildings.
①
tall very many
②
very many tall
③
very tall many
④
many very tall