换热器一侧通汽时,必须把另一侧的放空阀打开,以免憋压损坏。关闭换热器时,应打开排气阀

题型:判断题

问题:

换热器一侧通汽时,必须把另一侧的放空阀打开,以免憋压损坏。关闭换热器时,应打开排气阀及疏水阀,防止冷却形成真空损坏设备。()

考点:汽油加氢装置操作工考试初级汽油加氢装置操作工考试初级汽油加氢装置操作工考试题库
题型:判断题
Miss Brown would never forget the night when she met a robber(抢劫者) many years ago.
That evening, she went to a birthday party which   1  until two o’clock in the morning. Miss Brown walked in the  2  street alone. Suddenly from the back of the dark building a tall man with a sharp knife in his right hand ran out at her. “Good morning,lady.” the man said in a low voice, “I don’t think you wish to  3 here!” “What do you want?” “Your earrings. Take them  4 !”
Miss Brown suddenly had a   5 idea. She tried to cover her necklace with the collar(衣领)of her overcoat while she used the other hand to take off both of her earrings and then quickly   6 them on the ground.
“Take them and let me go,” she said. The robber thought that the girl didn’t like the earrings at all, only trying to   7 the necklace. The earrings would cost   8 , so he said, “Give me your necklace.”
“Oh, sir. It doesn’t cost much. Please let me wear it.”
“I am not that   9 . Quick!”
With shaking   10  , Miss Brown took off her necklace. As soon as the robber left, she picket up her earrings and ran as fast as she could to one of her friends.
The earrings cost 2000 pounds and the necklace which the robber had taken away cost only six pounds.
小题1:
A.endedB.stayedC.stopped D.lasted
小题2:
A.busyB.quietC.noisyD.wide
小题3:
A.die B.escapeC.fight D.sleep
小题4:
A.outB.awayC.offD.down
小题5:
A.funnyB.safe C.braveD.great
小题6:
A.handedB.threwC.passedD.put
小题7:
A.ownB.keep C.haveD.get
小题8:
A.cheapB.expensiveC.more D.less
小题9:
A.afraidB.angryC.sillyD.bad
小题10:
A.hands B.feetC.headD.body
题型:判断题

炎夏之日,劳作过重,突发高热,猝然昏倒,汗出不止,气喘,舌红脉疾,证属()

A.暑闭气机证

B.暑伤气机证

C.暑湿袭表证

D.暑热动风证

E.火淫证

题型:判断题

为了探究不同物质、时间、数量等因素对吸附作用的影响,某校化学探究小组的学生设计了“木炭和活性炭吸附性的对比研究”实验。实验现象记录在下表中,请你根据下表回答有关问题:

从上述实验中,你可得到哪些结论?

①________________________________

②_______________________________

③________________________________

④________________________________

从本实验的分析中,我们受到的启发是:当多种因素可能会对实验结果产生影响时,我们应该

__________________________________

题型:判断题

某流通企业经营甲商品,全面计划购进10000件,每件售价50元,进价40元,销售税金总额为17000元,应负担的固定费用总额为23000元,且变动费用600元,目标利润为24000元。根据以上资料回答下列问题:

如果企业按计划购进的商品全部按原售价销售,则该企业毛利总额为()。

A、100000元

B、99400元

C、82400元

D、59400元

题型:判断题

台式PC机中,挂在主机外面的MODEM,与主机连接的接口标准是 ______。

A.SCSI

B.IDE

C.RS-232-C

D.IEEE-488

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