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问题 单项选择题

1-7某综合建筑地上15层，地下1层，框架结构，总建筑面积15000m2，建筑高度为50m。首层、二层、三层设计为商场，四层、五层为办公室及辅助用房，六至十五层为民用住宅。该建筑内设有室内外消火栓系统、火灾自动报警系统、消防应急照明、消防疏散指示标志、灭火器等消防设施及器材。 

楼梯间(含敞开楼梯间、封闭楼梯间、防烟楼梯间)的地面水平照度不应低于（）。

A．1lx 

B．31x 

C．5lx 

D．101x 

E．12lx

答案

参考答案：C

解析：

楼梯间(含敞开楼梯问、封闭楼梯间、防烟楼梯间)的地面水平照度不应低于51x。

单项选择题

What’s your earliest childhood memory Can you remember learning to walk Or talk The first time you heard thunder or watched a television program Adults seldom (1) events much earlier than the year or so before entering school, (2) children younger than three or four (3) retain any specific, personal experiences.

A variety of explanations have been (4) by psychologists for this "childhood amnesia". One argues that the hippo-campus; the region of the brain which is (5) for forming memories, does not mature until about the age of two. But the most popular theory (6) that, since adults don’t think like children, they cannot (7) childhood memories. Adults think in words, and their life memories are like stories or (8) one event follows (9) as in a novel or film. But when they search through their mental (10) for early childhood memories to add to this verbal life story, they don’t find any that fit the (11) . It’s like trying to find a Chinese word in an English dictionary.

Now psychologist Annette Simms of the New York State University offers a new (12) for childhood amnesia. She argues that there simply aren’t any early childhood memories to (13) . According to Dr. Simms, children need to learn to use someone else’s spoken description of their personal (14) in order to turn their own short-term, quickly forgotten (15) of them into long-term memories. In other (16) , children have to talk about their experiences and hear others talk about (17) --Mother talking about the afternoon (18) looking for seashells at the beach or Dad asking them about their day at Oceanz Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

Notes: childhood amnesia 儿童失忆症。

（11）（）

A.model

B.pattern

C.frame

D.formula
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单项选择题

猫抓病是由下列哪一种立克次体引起的（）

A、普氏立克次体

B、杆菌样巴通体

C、战壕热立克次体

D、汉赛巴通体

E、小蛛立克次体
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