原料气压缩机的油站油过虑器差压高于()MPa时,过滤器应该清洗。

题型:填空题

问题:

原料气压缩机的油站油过虑器差压高于()MPa时,过滤器应该清洗。

考点:制氢装置工程师制氢装置工程师题库
题型:填空题

When I was little, my mother began selling flowers in Camden Market. She couldn’t  36 me at home on my own,   37  I had to go to the market with her.
  38 , I didn’t have to do anything. I just sat there, and my mother told me jokes and stories so I didn’t get   39 .When I got older, I gave my mother a hand and I really enjoyed it.
Then one year, my grandma gave me a book for Christmas. It was all about making candles and I loved it. I was 14, and I didn’t have to go to the market  40 because my mother could leave me at home on my own. I  41 my free time making candles of all shapes and sizes. I made  42 them.
One day, my mother was ill, so I had to go to the market on my own. I decided to  43 some candles with me and see  44 I could sell them. They  45 in 20 minutes! The next week, my mother gave me some money to buy some wax (蜡) to make more candles. They were sold out really quickly, too.
Ten months later, we decided  46 flowers. My mother and I couldn’t make enough candles during the week, so some of my friends started to help us. I paid them one pound  47 every candle, and we   48 sell them for three or four times. It was fun and my friends worked with me in the market.
At the age of 22, my uncle  49 me some money and I opened my first shop in Portobello Road. Since then, I’ve  50 looked back, even in difficulties. In the first store, we only sold candles, but now we sell everything from the designer, furniture to paintings. Oh, and candles, of course.
小题1:
A.forgotB.leaveC.remember D.take
小题2:
A.becauseB.soC.whyD.instead
小题3:
A.To begin withB.To begin toC.To start toD.Started
小题4:
A.tiringB.excitedC.relaxedD.bored
小题5:
A.at allB.no moreC.no longerD.any more
小题6:
A.paidB.tookC.spentD.cost
小题7:
A.hundreds of B.hundred ofC.hundredD.hundreds
小题8:
A.takeB.bringC.carryD.fetch
小题9:
A.thatB.whichC.whoD.if
小题10:
A.came outB.clean outC.were sold outD.sold out
小题11:
A.stop sellingB.to stop sellingC.to stop to sellingD.to stop to sell
小题12:
A.forB.onC.withD.in
小题13:
A.are used forB.used toC.are used toD.use
小题14:
A.borrowedB.lendC.lentD.borrow
小题15:
A.sometimesB.alwaysC.neverD.usually
题型:填空题

下列()不是行政处罚的原则。

A、处罚合理性原则

B、处罚法定原则

C、受处罚连带民事责任原则

D、公开、公正原则

E、处罚简化原则

题型:填空题

有关系模式A(C,T,H,R,S),其中各属性的含义是:  C:课程 T:教员 H:上课时间 R:教室 S:学生  根据语义有如下函数依赖集:  P={C→T,(H,R)→C,(H,T)→R,(H.S)→R}   关系模式A的码是

A.C

B.(H,

C.(H,

D.(H,

题型:填空题

操作系统是一组

A.文件管理程序

B.设备管理程序

C.资源管理程序

D.中断处理程序

题型:填空题

无线交换机采用的电源为()。

A、48V直流供电

B、48V交流供电

C、-48V直流供电

D、-48V交流供电

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