《烟草建筑设计防火规范》规定，对联合生产工房内的制丝线，卷接

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问题单项选择题

《烟草建筑设计防火规范》规定，对联合生产工房内的制丝线，卷接包生产线，打叶复烤线及草薄片生产线等生产用房应规划分为（）个防火分区，其最大允许建筑面积可按工艺需求确定

A.1个

B.2个

C.3个

D.4个

答案

参考答案：A

填空题

短文填空。根据下列短文内容，根据首字母提示，在短文后的空格处填上一个恰当的词，使短文通顺，每空一词，含缩略词。

Do you know the differences between the new building and the old ones?

Old buildings h 1 brick(砖)and stone walls. The walls hold up the b 2 .

In cities, many modern building 1 3 as if they are made just of windows.Walls of dark glass reach

high into the air. Many buildings are m 4 than 50 stories(层)tall.

Are walls of glass strong e 5 to hold up the new buildings? No, The new glass walls do not hold up

the buildings,b 6 they only cover up the frame(框架)made of steel. Have you ever watched a new

building going up? The steel frame is built f 7 . Then the glass walls are hung on the frame. When the

building is f 8 , the frame does not show. The outside looks like windows without walls. The glass walls

shine i 9 the sun with no decoration(装饰).Many people find t 10 beautiful just as they are.

不定项选择

某电场的电场线的分布如图所示。一个带电粒子由M点沿图中虚线所示的途径运动通过N点。则下列判断正确的是

A．粒子带负电

B．粒子在M点的加速度大

C．粒子在N点的速度大

D．电场力对粒子做正功