【判断题】【消耗次数：1】
对大型机床的床身进行精调时应检查床身导轨在垂直平面内的平面度。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
下列命题“如果一个平面经过另一个平面的一条垂线，那么这两个平面互相垂直”，“如果两个平面互相垂直，那么一个平面内的一已知直线必垂直于另一个平面内的任意一条直线”，“过互相垂直的两条直线中的一条所作的平面必垂直于另一条直线”，“分别过两条互相垂直的直线所作的平面必相交”中，错误的命题有（）个。
①
1
②
2
③
3
④
4
随机题目
【单选题】
Could you be so kind as to turn down that rock “n” roll? I am preparing for tomorrow’s exam.____________
①
It’s none of your business.
②
What are you doing?
③
Sure. Sorry to disturb you.
④
No, I don’t think so.
【单选题】
May I use your bike for a moment?___________
①
It’s well.
②
It doesn’t matter.
③
By all means.
④
I have no idea.
【单选题】
We’ve _______ paper and ink. Ask Mr. Howard to lend us some.
①
run away with
②
run down
③
run off
④
run out of
【单选题】
How do I get to the cinema?____________
①
Its very far.
②
Yes, there is a cinema near here.
③
Its well known.
④
Go down this street and turn left.
【单选题】
I doubt whether the Chinese Football Team can win the game this time.____________
①
That’s true.
②
It’s hard to say.
③
I like the team.
④
I don’t believe it.
【判断题】
判断线上的内容是否正确：She is under the impression that he isn’t a __genuine____ person for he wouldn’t tell her where and when he went to university.
①
正确
②
错误
【判断题】
判断线上的内容是否正确：When the post fell ___vacant___.Dennis Bass was appointed to fill it.
①
正确
②
错误
【单选题】
Although they had suffered heavy losses, they refused to ____ defeat.
①
concede
②
conserve
③
assert
④
conceal
【单选题】
He departed ____ to catch the train only to find his ticket was left in home.
①
in hurry
②
in haste
③
in a haste
④
with haste