甲醇质子交换膜燃料电池中将甲醇蒸气转化为氢气的两种反应原理是 ①CH3OH(g)

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问题:

甲醇质子交换膜燃料电池中将甲醇蒸气转化为氢气的两种反应原理是

①CH3OH(g)+H2O(g) = CO2(g)+3H2(g);DH=+ 49.0 kJ·mol1

②CH3OH(g)+1/2O2(g) = CO2(g)+2H2(g);DH =-192.9 kJ·mol1 下列说法正确的是

A.CH3OH的燃烧热为192.9 kJ·mol1

B.CH3OH的燃烧热为133.9 kJ·mol1

C.CH3OH转变成H2的过程一定要吸收能量

D.根据②推知反应:CH3OH(l) +1/2O2(g) = CO2(g) +2H2(g)的DH >-192.9 kJ·mol1

考点:焓变、反应热中和热燃烧热
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固冲汤含( )

A.海螵蛸、龟板
B.桑螵蛸、茜草
C.龙骨、龟板
D.龙骨、五倍子

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历摘要:患者男性,45岁,因乏力纳差、腹胀2月,低热一周入院,既往有饮酒史20年,每天4两白酒。体查:巩膜中度黄染,腹膨隆,腹水征(+),双下肢中度凹陷性浮肿。体查:BP180MM/95mmHg,HR70次/分,律整,嗜睡,运动性失语,双瞳孔等大等圆,D=2.5mm,对光反射存在,双眼向左凝视,右侧鼻唇沟浅,伸舌偏右,右上下肢肌力0~Ⅰ度,右侧Babinski's征(+),颈无抵抗

入院后应优先采取哪些检查?()

A.肝功能检查

B.血常规

C.胃镜

D.腹腔穿刺

E.肝穿刺活检

F.腹部B超

G.AFP

H.血气分析

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I was working as a consultant(顾问) in a beer company, helping the president and senior vice-presidents with something important. It was a big   16  . At the same time, my mother was in the  17 stages of cancer. .
I worked during the day and  18 40 miles home to be with her every night. It was 19 and stressful, but it was what I wanted to do. My promise was to continue to do excellent consulting during the day, 20  my evenings were very hard. I didn’t want to 21 the president with my situation.  22  I felt someone at the company wanted to 23 what was going on. So I told the vice-president of Hunan Resources, asking him not to 24 the information with anyone.
A few days  25 , the president called me into his office. I  26 he wanted to talk to me about one of the many issues we were  27 on. When I entered, he asked me to sit down. He faced me from across his large  28 , looked me in the eye and said, “I   29  your mother is very ill.”
I was totally  30 by surprise and burst into tears. He just looked at me, let my 31  subside(平息),and then he  32 said a sentence I will never forget: “Whatever you need.” That was it. His  33 and willingness to both let me be in my pain and to offer me  34   were qualities of compassion(同情) that I   35 with me to this day.
小题1:
A.honourB.successC.challengeD.task
小题2:
A.previousB.finalC.fineD.developing
小题3:
A.walkedB.rodeC.ranD.drove
小题4:
A.tiringB.excitingC.boringD.frightening
小题5:
A.as ifB.after allC.even thoughD.now that
小题6:
A.helpB.puzzleC.cheatD.bother
小题7:
A.orB.yetC.andD.so
小题8:
A.knowB.realizeC.hearD.announce
小题9:
A.enjoyB.learnC.shareD.hide
小题10:
A.afterB.agoC.beforeD.later
小题11:
A.knewB.figuredC.doubtedD.found
小题12:
A.workingB.gettingC.livingD.going
小题13:
A.roomB.officeC.deskD.computer
小题14:
A.guessB.hearC.believeD.think
小题15:
A.hitB.gotC.madeD.caught
小题16:
A.cryingB.explainingC.talkingD.worrying
小题17:
A.suddenlyB.sadlyC.gentlyD.carefully
小题18:
A.happinessB.understandingC.excitementD.sadness
小题19:
A.everythingB.anythingC.nothingD.something
小题20:
A.takeB.bringC.helpD.carry
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会计职业道德与会计法律制度的区别主要有()。

A.性质不同

B.作用范围不同

C.实现形式不同

D.实施保障机制不同

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TS表是指()

A.技术明细表

B.开发明细表

C.产品明细表

D.装配明细表

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