【单选题】【消耗次数：1】
在工艺上可采取真空消泡的措施，通过调节合理的（ ）度来消除泡沫。
①
真空
②
非真空
参考答案：
复制
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相关题目
【单选题】
用真空表检测进气歧管真空度，怠速时，若真空表指针稳定的指示在（）之间，表示汽缸密封性正常。
①
0～37kPa
②
37～57kPa
③
57～70kPa
④
70～87kPa
【单选题】
技术员甲说有真空泄漏对复合式车辆影响很小，因为它不需要依靠真空度信号来计量燃油量；技术员乙说真主泄漏对真空控制的排放控制装置有极大影响
①
只有甲正确
②
只有乙正确
③
两人均正确
④
两人均不正确
【多选题】
真空预压的原理主要有：（）。
①
薄膜上面承受等于薄膜内外压差的荷载；
②
地下水位降低，相应增加附加应力；
③
封闭气泡排出，土的渗透性加大；
④
超孔隙水压力的消散；
随机题目
【单选题】
They _ on the programme for almost one week before I joined them, and now we on it as no good results have come out so far.
①
had been working; are still working
②
had worked; were still working
③
have worked; were still working
④
have worked; are still working
【单选题】
Many people who had seen the film were afraid to go to the forest when they remembered the scenes ___ people were eaten by the tiger.
①
that
②
by which
③
which
④
in which
【单选题】
A candidate for the democratic presidential nomination ______ at this moment.
①
is interviewing
②
being interviewed D. Interviewing
③
is being interviewed
④
Interviewing
【单选题】
___ is often the case, we have worked out the production plan.
①
Which
②
When
③
What
④
As
【单选题】
There are many people ___ only on-line activity is sending and receiving e-mails.
①
who
②
that
③
which
④
whose
【单选题】
On his 10th birthday，Marty manages to escape from the zoo and gets onto the subway, ___ he believes that he can go to the wild.
①
which
②
from what
③
through which
④
that
【单选题】
He ___________ his friends for their help at the hotel now.
①
entertained
②
was entertaining
③
is entertained
④
is entertaining
【单选题】
___ is reported in the newspaper, talks between the two countries are making progress.
①
It
②
As
③
That
④
What
【单选题】
They are living with their parents for the moment because their own house __________.
①
is being rebuilt
②
has been rebuilt
③
is rebuilt
④
has rebuilt
【单选题】
在下列核算组织程序中，被称为最基本的会计核算组织程序的是（ ）
①
记账凭证核算组织程序
②
汇总记账凭证核算组织程序
③
科目汇总表核算组织程序
④
日记总账核算组织程序