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川北医学院口腔医学院
在孔或轴的基本尺寸后面,注出基本偏差代号和公差等级,这种标注形式用于( ) 的零件图上。
·成批生产
·单件或小批量生产
·生产批量不定
在满足使用要求的前提下,应尽量选用( )的粗糙度参数值。
·较大
·较小
·不变
·常用
标准公差确定公差带的( )。
·大小
·位置
·形状
在装配图中,每种零件或部件只编( )个序号。
·一
·二
·三
·四
在装配图中,两个零件的非接触面画( )条轮廓线。
·2
·3
·4
·1
角度尺寸在标注时,文字一律()书写。
·水平
·垂直
·倾斜
·向下
Don’t forget to feed the birds for me while I am away, ____________
·cayou
·do you
·shall you
·will you
He said she must have beeout of towfor weeks; otherwise he ____________ her ioffice.
·would see
·should see
·must have seen
·would have seen
– It seems to be clearing up. –.
·No, not at all
·No hurry
·Never mind
·I hope so
I hope we _______the documents ready before you come tomorrow.
·will get
·get
·have get
·will have got
The teacher said that the moo_______ round the earth.
·was moving
·moved
·would move
·moves
We ______each other agaisince we graduated from the college.
·hadn’t seen
·didn’t see
·don’t see
·haven’t seen
It’s essential that the applicatioform ____________ out before the deadline.
·must be sent
·was sent
·be sent
·would be sent
He made no _______to hide his disappointment.
·effect
·affect
·effort
·afford
– What’s the temperature today –.
·Nice and cool
·The weather forecast says it’s fine
·About 18 degrees
·Sure, it’s sunny
·成批生产
·单件或小批量生产
·生产批量不定
在满足使用要求的前提下,应尽量选用( )的粗糙度参数值。
·较大
·较小
·不变
·常用
标准公差确定公差带的( )。
·大小
·位置
·形状
在装配图中,每种零件或部件只编( )个序号。
·一
·二
·三
·四
在装配图中,两个零件的非接触面画( )条轮廓线。
·2
·3
·4
·1
角度尺寸在标注时,文字一律()书写。
·水平
·垂直
·倾斜
·向下
Don’t forget to feed the birds for me while I am away, ____________
·cayou
·do you
·shall you
·will you
He said she must have beeout of towfor weeks; otherwise he ____________ her ioffice.
·would see
·should see
·must have seen
·would have seen
– It seems to be clearing up. –.
·No, not at all
·No hurry
·Never mind
·I hope so
I hope we _______the documents ready before you come tomorrow.
·will get
·get
·have get
·will have got
The teacher said that the moo_______ round the earth.
·was moving
·moved
·would move
·moves
We ______each other agaisince we graduated from the college.
·hadn’t seen
·didn’t see
·don’t see
·haven’t seen
It’s essential that the applicatioform ____________ out before the deadline.
·must be sent
·was sent
·be sent
·would be sent
He made no _______to hide his disappointment.
·effect
·affect
·effort
·afford
– What’s the temperature today –.
·Nice and cool
·The weather forecast says it’s fine
·About 18 degrees
·Sure, it’s sunny