物料提升机的基础浇注C20混凝土,厚度不得小于()A、150mmB、250mmC、3

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问题:

物料提升机的基础浇注C20混凝土,厚度不得小于()

A、150mm

B、250mm

C、350mm

D、300mm

考点:建筑类专职安全员C证考试专职安全员C证考试题库
题型:单项选择题
完形填空。
     Different things usually stand for different feelings. Red, for example, is the color of fire, heat, blood
and life. Red is used for signs of  1 , such as STOP signs and fire engines. Orange is the bright, warm color
of leaves in autumn. People say orange is a  2  color. Yellow is the color of sunlight. People say it is a cheerful
color. Green is the cool color grass in spring. In general, people  3  two groups of colors: warm colors and
cool colors. The warm colors are red, orange and yellow. Where there are warm colors and a lot of light,
people usually want to be active. Those who like to be with  4  like red. The cool colors are black and blue.
Where are these colors, people are usually worried. Some scientists say that time seems to go by  5  in a room
with warm colors. They suggest that a warm color is a good way for a living room or a  6 . People who are
having a rest or are eating do not want time to pass quickly. Cool colors are better for some offices if the
people working there want time to pass quickly.
( )1. A. roads      
( )2. A. lively     
( )3. A. speak      
( )4. A. the other  
( )5. A. very quickly
( )6. A. factory    
B. ways       
B. dark       
B. say        
B. another    
B. more slowly
B. classroom  
C. danger    
C. noisy     
C. talk about
C. much slower
C. much slower
C. restaurant
D. places      
D. frightening 
D. tell about  
D. others                 
D. very quicker
D. hospital    
题型:单项选择题

填空。

  《皇帝的新装》的作者是________,________人。他一生创作________多篇杰出的童话作品,包括________、________、________,成为________的儿童文学家。

题型:单项选择题

物料搬运方法是指物料搬运路线、搬运设备和______。

A.搬运成本

B.搬运数量

C.搬运单元

D.搬运原则

题型:单项选择题

方差分析的英文缩写是()。

题型:单项选择题

中枢兴奋作用H1受体阻断药是()

A.苯海拉明

B.异丙嗪

C.氯苯那敏

D.雷尼替丁

E.苯茚胺

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