为除去括号内的杂质,所选用的试剂或方法正确的是 [ ] A.C2H6(C2H4)

题型:选择题

问题:

为除去括号内的杂质,所选用的试剂或方法正确的是 [ ]

A.C2H6(C2H4)——通入溴的四氯化碳溶液中

B.苯(苯酚)——加入浓溴水后过滤

C.NaNO3(NaCl)——用冷却热饱和溶液结晶方法分离

D.SO2(SO3)——用排饱和NaHCO3溶液收集气体

考点:物质的除杂
题型:选择题
计算:(-2007)0+|1-
3
|-2sin60°.
题型:选择题

女性,45岁,以“双手近端指间关节、掌指关节、腕关节肿痛3个月”来诊,无发热、皮疹及脱发,有晨僵,关节无畸形。化验:ESR 62mm/h,RF 460kU/L,ANA阴性,血常规、尿常规正常。

该患者诊断考虑为

A.类风湿关节炎

B.骨关节炎

C.反应性关节炎

D.系统性红斑狼疮

E.风湿热

题型:选择题

若借款企业挪用流动资金贷款进行基本建设或弥补企业亏损,银行可对其采取终止提款措施。()

题型:选择题

When we talk about a wolf, we tend to describe it as a kind fierce creature.But is it really true that the wolf stands for devil and ugliness?
Have you read the book "The Wolf Totem'' 《狼图腾》by a famous writer Jiang Rong, which tells the story of the relationship between wolves and human beings? Have you ever   36   the wolves' world? If you had, you would __37  the wolves.In the book, wolves are heroes on the large grassland.They know more about __ 38  than humans.They can attack lambs without disturbing their mothers.They also know how to __ 39  full use of the shape of land to __ 40  sheep.I believe that if wolves were humans, they would be __ 41  at fighting. 
The wolf is a kind of special creature that can deeply understand __ 42 .Each wolf serves its group with its heart and soul.A __ 43  wolf has little power, but a pack of wolves __ 44  nothing.All the wolves obey the rules.__ 45  they are defeated, they run away together. It is their teamwork __ 46  makes wolves powerful.  
The wolves also have great self-preservation and won't __ 47  to anyone.The writer, who wrote the book "The Wolf Totem" , __ 48  stole a one - month - old baby wolf and raised it very carefully.To his __ 49 , he found the little wolf still wanted to go back with __ 50  wolves. The little wolf bit through the iron chain that limited it.The wolf was __51  and never gave up fighting __52  its death.It seemed that the little wolf died as a glorious fighter.
I was shocked by this kind of __53  wolves which are one of the most respected creature on the  earth.I want everyone to look at wolves in a __54  way.They are our teachers.They show us how to survive and __55  this not simple but dangerous world.Please honor the wolves, please honor all these heroes of nature!
小题1:
A.talked about B.walked intoC.thought about D.cared for
小题2:
A.hunt B.watch C.drawD.admire
小题3:
A.survival B.life C.food D.plant
小题4:
A.get B.make C.have D.take
小题5:
A.trap B.avoid C.fight D.discover
小题6:
A.considerate B.imaginativeC.creative D.expert
小题7:
A.process B.lifestyle C.teamwork D.control
小题8:
A.brave B.single C.lonely D.fair
小题9:
A.fight B.struggle C.fail D.fear
小题10:
A.Even if B.As though C.Even so D.As for
小题11:
A.what B.that C.which D.one
小题12:
A.turn in B.break in C.take inD.give in
小题13:
A.just B.once C.soon D.only
小题14:
A.satisfactionB.sorrow C.disappointmentD.pleasure
小题15:
A.rest B.the other C.another D.other
小题16:
A.willing B.worried C.proud D.eager
小题17:
A.although B.until C.before D.unless
小题18:
A.selflessnessB.self-confidenceC.self-protection D.sell-respect
小题19:
A.differentB.curious C.strange D.humorous
小题20:
A.step out B.set up C.succeed in D.get into
题型:选择题

关于需求管理的描述,不正确的是()

A.需求管理要确保利益相关方对需求的一致理解

B.需求管理要获取用户需求并定义产品需求

C.需求管理要与需求开发紧密合作

D.需求管理要取得利益相关方对需求的一致承诺

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