当液态抑制剂污染催化剂,反应器停车后必须()。A、置换反应器汽包的水 B、置换出口冷

题型:单项选择题

问题:

当液态抑制剂污染催化剂,反应器停车后必须()。

A、置换反应器汽包的水

B、置换出口冷却器汽包的水

C、置换洗涤塔到解吸塔的水

D、置换再吸收塔的水

考点:环氧乙烷乙二醇装置操作工环氧乙烷乙二醇装置操作工(中级)环氧乙烷
题型:单项选择题

战国时期,齐国都城临淄十分繁荣,是著名的大城市,齐国第二大城市是()。

A.青州

B.胶州

C.不其县

D.即墨

题型:单项选择题

一个数除以8,有余数,那么余数最大可能是7.______.(判断对错).

题型:单项选择题
I remember vividly that first English class in the last term of high school. We boys (there were no girls in the school) were   16  expectantly for the new teacher to appear. Before long, through the door came a tall ordinary-looking man  17  about 40. He said shyly,  “Good afternoon, gentlemen.” His  18 had a surprising tone (语气) of respect, almost  19  he were addressing (向---讲话)the Supreme Court (最高法院)20   a group of youngsters. He wrote his  21  on the blackboard---Wilmer T. Stone-- ,and  22  sat on the front of his desk.. “Gentlemen,” he began, “We are now this  23   ---your last---to continue your study of 24  . I know we shall  25  learning with and from one another. We are going to learn  26  about journalism and how to write your weekly school paper. And   27 we are going to try to  28  the joy of good literature (文学). Maybe some of us will be really   29   in reading and writing. A man who reads 30 a happy life. A man who doesn’t read  31  on the earth with a blindfold(眼罩). If I have to put all my  32  into a single word, it would be: ‘browse(广泛浏览)’”. Mr. Stone went on like that,  33 in a friendly and understanding tone. The 34  of the class came much too soon. And we boys had to 35  the classroom with an unexpected feeling of excitement.
小题1:A waiting  B. looking       C. asking     D. calling
小题2:
A.forB.ofC.atD.on
小题3:
A.soundB.voiceC.appearanceD.look
小题4:
A.asB.ifC.as ifD.after
小题5:
A.besideB.except forC.insteadD.instead of
小题6:
A.addresB.telephoneC.name D.word
小题7:
A.thenB.butC.soD.suddenly
小题8:
A.feelB.seasonC.yearD.term
小题9:A. math    B. chemistry     C English       D. physics
小题10:
A.beginB.enjoyC.practice D.suggest
小题11:
A.somethingB.anythingC.nothingD.all
小题12:
A.ReallyB.EspeciallyC.TrulyD.Possibly
小题13:
A.feelB.writeC.memorize D.accept
小题14:
A.movedB.excitedC.interestedD.used
小题15:
A.knowsB.saysC.hasD.lives
小题16:
A.runsB.visitsC.walksD.chooses
小题17:
A.praiseB.trustC.adviceD.promise
小题18:
A.speakingB.singingC.tellingD.shouting
小题19:
A.beginningB.endC.middleD.time
小题20:
A.keepB.enterC.leaveD.reach
题型:单项选择题

可以用来制取半导体材料(如集成电路)的是(  )

A.二氧化硅

B.粗硅

C.高纯硅

D.硅酸盐

题型:单项选择题

某DHCP服务器设置的地址池为。192.168.1.100到192.168.1.200,此时该网段下某台安装Windows系统的工作站启动后,获得的IP地址是169.254.220.188,导致这一现象最可能的原因是____________。

A.DHCP服务器设置的租约期太长

B.DHCP服务器提供了保留的IP地址

C.网段上还有其他的DHCP服务器,工作站从其他的服务器上获得的地址

D.DHCP服务器没有工作

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