安全周界是()A.设施周围最宽的假想圈 B.保护屏障 C.周围的安全报警器可以监视活

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问题:

安全周界是()

A.设施周围最宽的假想圈

B.保护屏障

C.周围的安全报警器可以监视活动的区域

D.以上都不是

考点:阅读知识竞赛信息安全信息安全题库
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女性患者,24岁,因突发心悸半小时来院,既往有类似发作史5年。查体:一般情况好,血压90/50mmHg,心率170次/分。心脏不大,律整,无杂音,双肺(-)。心电图检查QRS波群正常,P波不明显

首先考虑的诊断为

A.窦速
B.阵发性室上性心动过速
C.阵发性室性心动过速
D.房扑
E.房颤

题型:单项选择题

教学评价是一种系统化的持续过程,包括确定目标收集有关的资料、描述资料、________以及做出决定等步骤。

题型:单项选择题

理想气体和单一热源接触做等温膨胀时,吸收的热量全部用来对外做功。则,如下结论正确的是( )。

A.不违反热力学第一定律,但违反热力学第二定律
B.不违反热力学第二定律,但违反热力学第一定律
C.不违反热力学第一定律,也不违反热力学第二定律
D.违反热力学第一定律,也违反热力学第二定律

题型:单项选择题

Passage 1 Changes in educational approaches, beliefs and practices come faster today than most teachers, parents and children can begin to assimilate. Speedy results are seen as politically necessary. When new approaches are not successful immediately, they are abandoned in favor of even newer ones. // In repeated and accelerated cycles of change it is the children who suffer. Hurried through the school day and through the grade levels, they are left with little time to reflect on what they are learning or where their lives are beaded. Our schools tend to be fact factories, cramming more into every minute of every hour of every day. There always seems to be more curriculum to cover and more tests to take—but never any time added to the day. Children and teachers are left gasping for air. // We must stop hurrying children and give them adequate time for learning. We need more clarity, more planning and less impulsive implementation of "the latest best thing." There is an urgent need in our schools for increased accountability and more focused attention on basic skills. But that very urgency must not lead us to rush. The pace of change must be reasonable and related to the right pace for children’s learning. // True learning requires time: time to wonder, time to share and time to pay attention to what is most important. To hurry through classes and a predetermined timetable of achievements is contrary to the nature of children and will do irreparable damage to their minds and souls. School comes from the Greek word scholé which translates literally as "leisure." Consider how far we’ve moved from our educational roots! //

题型:单项选择题

暴雨调查包括()调查。

A.暴雨成因

B.暴雨量

C.暴雨起讫时间

D.暴雨变化过程

E.前期雨量

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