属于H2受体拮抗剂的是( ) A.生胃酮 B.米索前列醇 C.法莫替丁 D.胶体次

题型:单项选择题

问题:

属于H2受体拮抗剂的是( )

A.生胃酮
B.米索前列醇
C.法莫替丁
D.胶体次枸橼酸铋
E.奥美拉唑

考点:临床执业助理医师内科学
题型:单项选择题

患者男,42岁,缺失,设计作基牙,锤造同定桥修复

镍铬合金锤造固定桥焊接时常用的热源是()

A.煤气+氧气吹管火焰

B.汽油+压缩空气吹管火焰

C.激光束

D.微束等离子弧

E.氩弧

题型:单项选择题

The Party calls on every teacher to learn from Zhang Lili,the most beautiful teacher in China, and try to be         Zhang Lili.

A./

B.the

C.a

D.one

题型:单项选择题

背景

某具有特级承包资质的企业承接了某国家大型管道建设施工总承包任务,该项目管道原油、成品油、天然气管道三管并行,同沟段线路所经地貌类型表现为山地、丘陵及山间沟谷,部分地质为岩石构造,地势起伏大,线路最高点海拔为2644m,最低点海拔为1375m。全线高海拔地段多有连续翻山作业,道路曲折遥远,人员、设备及物资运输困难,山体起伏高差达870m,陡坡陡坎交替连接,坡度最大达到40°,沿线地质灾害多,对管道安全构成威胁,施工作业困难重重。对此,该工程项目部根据职业健康,安全与环境进行了主要风险因素识别。项目部风险管理组、项目管理部门和班组进行了分级风险管理策划,同时要求班组长要对施工技术方案控制的一些特别活动风险因素进行识别和评价。项目部还制定了项目安全生产责任制,把安全责任目标分解到岗,落实到人。其中项目经理安全职责是:施工过程发生安全事故时,必须按照安全事故处理的有关规定和程序及时上报和处理,并制定防范措施;定期组织安全生产检查和分析,制定相应预防措施;严格执行安全考核指标和安全生产奖惩办法;制定和执行安全生产管理办法等。按照机电工程的注册建造师施工管理签章文件的要求,对石化工程安全与环境管理类的文件进行了认真填写。

机电工程签章文件如何分类?石化工程安全与环境管理类的文件包括哪些?

题型:单项选择题

对如下二叉树,进行后序遍历的结果为【 】

A.ABCDEF

B.DBEAFC

C.ABDECF

D.DEBFCA

题型:单项选择题
The concept of solitude (独处) in the digital world is almost non-existent. In the world of digital technology, e-mail, social networking and online video games, information is meant to be    小题1:  . Solitude can be hard to discover once it has been given up. In this respect, new technologies have    小题2:   our culture.
The desire to be connected has brought solitude to a(an)    小题3:   as we’ve known. People have become so    小题4:   in the world of networks and connections that one can often be contacted even if they’d rather not be. Today we can talk, text, e-mail, chat and blog to share our ideas, not only from our    小题5:  , but from our mobile phones as well.  
Most developed nations have become    小题6:   on digital technology simply because they’ve grown accustomed to it, and at this point not    小题7:   it would make them an outsider.    小题8:  , many jobs and careers require people to be    小题9:  . From this point of view, technology has changed the culture of work. Being reachable might feel like a    小题10:   to those who may not want to be able to be contacted at all times.  
I suppose the positive side is that solitude is still possible for anyone who really wants it. Computers can be shut down and mobile phones can be turned off. The ability to be “connected” and “on” has many    小题11:   , as well as disadvantages. Travelers have ended up    小题12:   on mountains, and mobile phones have saved countless lives. They can also make people feel    小题13  and forced to answer unwanted calls or reply to unwanted texts.
Attitudes towards our connectedness as a society    小题14   according to different generations. Some find today’s technology a gift. Others consider it a    小题15】  . Regardless of anyone’s view on the subject, it’s hard to imagine what life would be like without keeping up with the advancements in technology.
小题13:
A.updatedB.receivedC.sharedD.collected
小题14:
A.respectedB.shapedC.ignoredD.preserved
小题15:
A.edgeB.stageC.endD.balance
小题16:
A.sensitiveB.intelligentC.considerateD.reachable
小题17:
A.mediaB.computersC.databasesD.monitors
小题18:
A.bentB.hardC.keenD.dependent
小题19:
A.finding B.usingC.protecting D.changing
小题20:
A.AlsoB.InsteadC.OtherwiseD.Somehow
小题21:
A.connectedB.trainedC.recommendedD.interested
小题22:
A.pleasureB.benefitC.burdenD.disappointment
小题23:
A.aspectsB.weaknessesC.advantagesD.exceptions
小题24:
A.hiddenB.lostC.relaxedD.deserted
小题25:
A.amusedB.excitedC.confusedD.trapped
小题26:
A.varyB.ariseC.spreadD.exist
小题27:
A.presentB.tendencyC.progressD.curse
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