问题 选择题

下列关于100毫升量筒的刻度,描述正确的是(  )

A.量筒上刻度的最小数值是0,且0毫升刻度线在各刻度线的最上边

B.量筒上刻度的最小数值是0,且0毫升刻度线在各刻度线的最下边

C.量筒上刻度的最小数值是l0,且10毫升刻度线在20毫升刻度线的上边

D.量筒上刻度的最小数值是l0,且l0毫升刻度线在20毫升刻度线的下边

答案

量筒是量入式仪器,最小刻度在最下方,越往上刻度值越大,且量筒没有0刻度,100mL的量筒最小刻度是10,且l0毫升刻度线在20毫升刻度线的下边,故选D.

填空题
完形填空
完形填空。
     Every country has its own culture.
     Even though each country uses doors, doors may have   1   functions and purposes which lead to   2   
differences.
     When I first to came to America, I noticed that a public building had two different   3   and they had
distinct functions. You have to push the door with the word "PUSH" to go out of the building and to pull the
door with the word "PULL" to   4   the building. This was new to me, because we use the   5   door in South
Korea. For quite a few times I failed to go out of a shopping centre and was embarrassed.
     The way of using school bus doors was also   6   to me. I used to take the school bus to closes. The
school decided that when the driver opened both the front and back doom,   7   who were getting off the bus
should get off first, and students who were getting on should get on   8  . in South Korea, we do not need to
wait for people to get off. One morning I hurried to the bus, and when the bus doors opened, I   9   tried to
get on the school bus through the front door. All the students around looked at me. I was totally  10 , and my
face went red.
( )1. A. different    
( )2. A. national     
( )3. A. exits        
( )4. A. enter        
( )5. A. main         
( )6. A. annoying     
( )7. A. parents      
( )8. A. sooner       
( )9. A. politely     
( )10. A. embarrassed 
B. important      
B. embarrassing   
B. entrances      
B. leave          
B. same            
B. hard            
B. students       
B. later           
B. patiently      
B. annoyed      
C. practical       
C. cultural        
C. signs          
C. open          
C. front         
C. satisfying        
C. teachers      
C. faster         
C. unconsciously  
C. unsatisfied   
D. unusual          
D. amazing        
D. doors          
D. close         
D. back          
D. strange                          
D. driven        
D. earlier      
D. slowly         
D. excited