阿伏加德罗常数约为6.02×1023mol-1,下列说法中正确的是 A.用石墨电

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问题:

阿伏加德罗常数约为6.02×1023mol1,下列说法中正确的是

A.用石墨电极电解Ca(NO3)2溶液,当转移电子数为0.2NA时,阴极析出4g金属

B.l mol C22H46中含有的C—C键个数约为21×6.02×1023

C.0.1mol 24Mg32S晶体中所含中子总数为28×6.02×1023

D.1 mol Na2O2中所含的阴离子数约为2×6.02×1023

考点:物质的量
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老年糖尿病肾病患者腹部增强CT检察后出现少尿,尿钠54mmol/L,最可能的诊断是()。

A.肾后性急性肾衰竭

B.肾前性氮质血症

C.急性肾小管坏死

D.急进性肾炎

E.急性间质性肾炎

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My sister and I grew up in a little village in England. Our father was a struggling 1, but I always knew he was  2 . He never criticized us, but used  3 to bring out our best. He’d say,” If you pout water on flowers, they flourish. If you don’t give them water, they die.” I  4 as a child I said something  5 about somebody, and my father said, “ 6 time you say something unpleasant about somebody else, it’s a reflection of you.” He explained that if I looked for the best  7 people, I would get the best  8 . From then on I’ve always tried to  9  the principle in my life and later in running my company.
Dad’s also always been very  10 . At 15, I started a magazine. It was   11  a great deal of my time, and the headmaster of my school gave me a  12: stay in school or leave to work on my magazine.
I decided to leave, and Dad tried to sway me from my decision,  13  any good father would. When he realized I Had made up my mind, he said, “Richard, when I was 23, my dad  14  me to go into law. And I’ve  15  regretted it. I wanted to be a biologist,  16 I didn’t pursue my  17 . You know what you want. Go fulfill(实现) it.”
As 18  turned out, my little publication went on to become Student, a national 19 for young people in the U.K. My wife and I have two children, and I’ d like to think we are bringing them up in the same way Dad  20  me.
小题1:
A.biologistB.managerC.lawyerD.gardener
小题2:
A.strictB.honestC.specialD.learned
小题3:
A.praiseB.courageC.powerD.warmth
小题4:
A.thinkB.imagineC.rememberD.guess
小题5:
A.unnecessaryB.unkindC.unimportantD.unusual
小题6:
A.AnotherB.Some C.AnyD.Other
小题7:
A.onB.in C.at D.about
小题8:
A.in caseB.by turnsC.by chanceD.in return
小题9:
A.reviseB.setC.reviewD.follow
小题10:
A.understandingB.experiencedC.seriousD.demanding
小题11:
A.taking upB.making upC.picking upD.keeping up
小题12:
A.suggestionB.decisionC.noticeD.choice
小题13:
A.andB.asC.even ifD.as if
小题14:
A.helpedB.allowedC.persuadedD.suggested
小题15:
A.alwaysB.neverC.seldomD.almost
小题16:
A.ratherB.butC.forD.therefore
小题17:
A.promiseB.taskC.beliefD.dream
小题18:
A.thisB.heC.itD.that
小题19:
A.newspaperB.magazineC.programD.project
小题20:
A.controlledB.comfortedC.remindedD.raised
题型:选择题

工料单价是确定( )的分部分项工程的人工费、材料费和机械使用费的费用标准。

A.指标计量单位
B.人工价格单位
C.定额计量单位
D.材料价格单位

题型:选择题

成熟淋巴细胞定居的部位为()

A.骨髓

B.胸腺

C.法氏囊

D.周围免疫器官

E.淋巴结

题型:选择题

最易诊断为肝肾阴虚证的表现是

A.腰酸耳鸣,梦遗盗汗
B.舌红少苔,脉象细数
C.眩晕胁痛,急躁易怒
D.遗精盗汗,月经量少
E.腰酸胁痛,眩晕潮热

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