一定质量的理想气体,沿箭头方向由状态1变化到状态2,气体内能增加的变化过程是

题型:选择题

问题:

一定质量的理想气体,沿箭头方向由状态1变化到状态2,气体内能增加的变化过程是

考点:理想气体状态方程
题型:选择题

下列哪项是引起头痛的颅脑病变

A.偏头痛 

B.脑炎 

C.脑肿瘤 

D.脑挫伤 

E.脑出血

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You must have heard these words like how happy it is to be a child. But would you  16  change places with a child? Think of the years at school: the years  17  living in constant fear of examinations and school  18 . Every movement you make, every thought you think is  19  by some adults. Think of the  20  you had to go to bed early, you had to eat  21  thing that was supposed to be good for you. Remember  22  “gentle” pressure was given to you with words like “If you don’t do as I say, I will…”. I’m sure you will never forget!
 23  these are only part of child’s  24 . No matter how kind and loving parents may be, children often  25  from some terrible and illogical  26  since they can’t understand the world around them. They often have such fears in the dark or in the dream. Adults can  27  their fears with other adults  28  children have to face their fears alone.
But the most  29  part of childhood is a period when you  30  to go out of it, the period when you go into adolescence(youth).Teenagers start to be  31  their parents and this causes them great  32 . There is a complete lack of self-confidence during this time. Adolescents pay much attention to their  33  and the impression they make on others.They  feel shy, awkward and clumsy(笨拙的). Feelings are strong and hearts  34  broken. Teenagers  35  moments of great happiness or black despair. And through this period, adults seem to be more unkind than ever.
小题1:
A.willingB.unhappilyC.friendlyD.honestly
小题2:
A.spentB.takenC.hadD.devoted
小题3:
A.resultsB.exercisesC.reportsD.teachers
小题4:
A.observedB.seenC.knownD.watched
小题5:
A.yearsB.timesC.eveningsD.days
小题6:
A.helpfulB.harmfulC.hatefulD.delicious
小题7:
A.whatB.whyC.thatD.how
小题8:
A.ThoughB.Even soC.ButD.Therefore
小题9:
A.difficultiesB.lifeC.troubleD.fears
小题10:
A.gainB.sufferC.receiveD.get
小题11:
A.troublesB.fearsC.diseasesD.worries
小题12:
A.enjoyB.deliverC.shareD.break
小题13:
A.whileB.whenC.soD.however
小题14:
A.excitingB.interestingC.painfulD.forgettable
小题15:
A.haveB.needC.rememberD.begin
小题16:
A.dislikeB.be againstC.cheatD.be for
小题17:
A.unhappinessB.interestsC.happinessD.determination
小题18:
A.confidenceB.patienceC.appearanceD.action
小题19:
A.reallyB.trulyC.naturallyD.easily
小题20:
A.passB.experienceC.faceD.take
题型:选择题

礼的本源是()

A、仁

B、直

C、义

D、爱

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非奇异的定长码一定是唯一可译码。

题型:选择题

熔化极脉冲氩弧焊焊接奥氏体不锈钢时,最好选用氩加氧的混合保护气体。()

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