因工期要求,水泥砂浆找平层不能干燥,可在潮湿的基层上铺油毡,但应在屋面上设排汽孔。(

题型:判断题

问题:

因工期要求,水泥砂浆找平层不能干燥,可在潮湿的基层上铺油毡,但应在屋面上设排汽孔。( )

考点:防水工初级防水工初级
题型:判断题

请用一句话概括下面这条简讯(3分)

简讯:我们国家继一亿亩速生丰产林基地和“三北”“长江中下游”“沿海”“平原农田”防护林体系以及全国治沙工程六大林业重点工程之后,又一个举世瞩目的大型生态建设工程,太行山绿化工程将全面启动。加快太行山绿化,能改善太行山区生态环境,保护水土,涵养水源,对华北和京津地区的建设意义重大。(不超过15个字)

题型:判断题

患者男性,69岁。因肝门部胆管癌。于入院后1周在气管内插管,静吸复合麻醉下行胆囊切除、胆管癌切除、肝门-空肠Y型吻合术。手术顺利,术后送麻醉后恢复室。入室后血压80/50mmHg、心率120次/分。4小时后病人突然意识消失,血压下降,心电图显示为广泛前壁和下壁心机梗死。即行心肺脑复苏。40分钟后抢救无效死亡。

提示:患者突发心跳骤停,当即行心肺脑复苏。对于心电图监测下突发的室颤,下列哪些治疗是首选的()

A.360J胸外电除颤

B.200J,300J和360J依次胸外电除颤

C.肾上腺素1.0mg静注

D.胺碘酮150mg静注

E.加压素40U静注

F.利多卡因1mg/kg静注

题型:判断题

核孔复合体是一种特殊的跨膜运输蛋白复合体,对物质的运输具有()和双向性的特性。

题型:判断题

有四种CNC系统或者数控机床,根据MTBF指标,它们中可靠性最好的是()。

A.MTBF=1000h

B.MTBF=2500h

C.MTBF=5000h

D.MTBF=70000h

题型:判断题

Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results_____(1) motivated behavior.Motivation can be either positive or negative_____(2) direction. We may feel a driving force toward some object or condition, _____(3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away_____(4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives_____(5) needs, wants or desires,_____(6) negative drives as fears or aversions._____ (7), though negative and positive motivational forces seem to differ dramatically_____(8) terms of physical and sometimes emotional activity, they are basically similar in_____(9) they both serve to initiate and sustain human behavior.____(10) this reason, researchers often refer _____(11) both kinds of drives or motives as needs, wants and desires.Goals, _____(12), can be either positive or negative. A positive goal is one toward_____ (13) behavior is directed and it is often referred to as an approach object. A negative goal is _____(14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to_____(15) types simply as goals. Consider this example. A middle-aged woman may wish to remain_____(16) attractive as possible. Her positive goal is to appear desirable, and_____(17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin_____(18) aging, and therefore she may buy and use face creams._____(19) the former case, she uses perfume to help her achieve her positive goal — attractiveness; in the____(20) case, she uses face creams to help avoid a negative goal — wrinkled skin.

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