问题 单项选择题

某航线从起始港至目的港的总货流量即去向总货流量为10000TEU,目的港至起始港即回向总货流量为20000TEU时,则该航线货流方向不平衡系数为( )。

A.0.5

B.1.5

C.2

D.3

答案

参考答案:B

解析: 方向不平衡系数等于两个方向总货流量与正向货流量的比值,则该航线货流方向不平衡系数为:(10000+20000)/20000=1.5。

完形填空
完形填空。
     I was having my dinner at McDonald's one evening when an old couple slowly walked in. They   1   their
meal, took a table near the window and started   2   food out of the plate. There was one hamburger, one order
of French fries (炸薯条) and one drink. The man   3   the food into two halves and carefully placed   4   before
his wife.
     He took a sip (一小口) of the drink. His wife also took one and then   5   the cup down between them.
"That   6   old couple! All they can   7   is one meal for the two of them," thought I   8   the man began to eat
his French fries. I   9   to my feet, went over and said that I was  10  to buy another meal for them. Bet he  11  
refused me and said that they made it a  12  to share everything. 
      13 , the lady didn't take a bite, She sat there  14  her husband eat, and taking turns (轮流) sipping the drink.
Again I  15  to buy them something but was refused. When the man finished eating and was  16  his face with
a napkin (纸巾). I  17  no longer stand it. I made an offer to them a third time.  18  being politely refused, I
asked the lady  19 , "Madam, why aren't you eating? You said that you share everything.  20  is it that you are
waiting for?" "The teeth," she answered.
( )1.A. served    
( )2.A. carrying   
( )3.A. divided     
( )4.A. it       
( )5.A. got        
( )6.A. funny      
( )7.A. afford     
( )8.A. While      
( )9.A. came      
( )10.A. anxious   
( )11.A. warmly     
( )12.A. way      
( )13.A. Surprisingly 
( )14.A. seeing    
( )15.A. wanted    
( )16.A. wiping    
( )17.A. should    
( )18.A. In       
( )19.A. curiously  
( )20.A. How      
B. requested 
B. taking   
B. cut    
B. this    
B. settled  
B. crazy   
B. pay    
B. Since   
B. struggled 
B. willing  
B. proudly  
B. habit   
B. Sadly   
B. noticing 
B. asked   
B. touching     
B. could   
B. Upon    
B. carefully       
B. Who    
C. collected  
C. fetching   
C. changed   
C. that     
C. set     
C. strange   
C. demand    
C. As       
C. rushed    
C. satisfied  
C. kindly    
C. case     
C. Shockingly     
C. watching   
C. planned   
C. bathing   
C. might    
C. After   
C. naturally 
C. Why     
D. ordered   
D. bringing   
D. formed     
D. one     
D. turned    
D. poor     
D. choose    
D. Until   
D. rose     
D. quick   
D. seriously              
D. model    
D. Bitterly  
D. finding  
D. attempted 
D. washing  
D. would    
D. With     
D. plainly  
D. What     
单项选择题