当压缩机润滑油压力联锁信号低于极限值时,()A、注油泵自动停泵 B、主机自动停机 C、辅

题型:单项选择题

问题:

当压缩机润滑油压力联锁信号低于极限值时,()

A、注油泵自动停泵

B、主机自动停机

C、辅助油泵自动停泵

D、轴头泵抽空

考点:制氢工制氢工种高级工考试制氢工种高级工考试题库
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以上可以工作在2.4GHz频段的无线协议是()

A.802.11a

B.802.11n

C.802.11g

D.802.11b

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根据课文内容用适当的词填空,使短文完整。

    Nowadays bands 1.________ one after another both in China and in other countries.

Then 2.________ do people get to form a band? Usually bands are formed by music lovers

3.________ come together to write and play their own music. First, they may play to

4.________ to earn money to make a living, and at the same time 5.________ their music

and improve themselves.

    6.________,there was a band called "The Monkees" which wasn't formed 7.________.

It was formed by TV organizers who had 8.________ for four musicians in a newspaper.

At first not 9.________ the members in the band could sing well, neither could they

create their 10.________ music. They 11.________ on each other while playing music. Both

the jokes and music were 12.________ loosely on the band called "The Beatles". In spite

of this, the band soon attracted many people, who supported them 13.________. After a

year 14.________, they began to play their own instruments and write their own music.

And they became even more popular than "The Beatles" and sold even more records. However,

the band 15.________ in 1970, but reunited in the mid-1980s.

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两岸文化交流盛事——《富春山居图o无用师卷》与《富春山居图·剩山图》在台合璧展,于2011年7月31日宣告落幕。台北故宫统计,展出两个月的时间里,有超过50万人次一睹真迹。这表明[ ]

A.两岸人民同祖同根,渴望早日实现和平统一

B.发展两岸关系的目的就是开展文化等交流活动

C.台湾同胞的艺术水平高

D.实现祖国完全统一就要从文化交流开始

题型:单项选择题

男性,26岁,足球运动员,因感冒就医,查体时发现:心率50次/min,心电图窦性心律50次/分,为明确心律失常为功能性还是器质性,应做下列哪项检查()

A.冠状动脉造影

B.阿托品实验

C.心得安实验

D.心肌活检

E.化验心肌酶

题型:单项选择题

宫内节育器的避孕原理不包括()

A.阻止卵子与精子的结合

B.铜离子可杀伤精子

C.引起局部炎性改变

D.干扰受精卵着床

E.干扰子宫内膜表面的生理环境

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