问题 单项选择题

隧道超前地质预报最直观的方法是()。

A.地质雷达

B.红外线探测

C.地震波探测

D.超前钻探

答案

参考答案:D

解析:此题主要考察对隧道超前地质预报方面知识的掌握。超前地质预测、预报目前常用的方法有常规地质法、物理勘探法、钻探法等。钻探法是最直观、可靠的超前预报手段,通过对钻孔取样的分析,判断地层变化、岩性差异、地层含水量等信息。对富水隧道应及时探明地下水的储量及分布,超前地质预报应采用以水平钻探为主的综合方法,另辅以电法、红外线法等方法验证。根据以上知识点,判定正确选项是"D.超前钻探"。

完形填空
完形填空。      
      A white woman took a plane to New York. When she got on the plane, she found a black man sitting
next to her seat. She was unsatisfied with this, so she    1   the stewardess(空中小姐). 
     Soon the stewardess came. " Madam, what is the matter?" she asked.
     " Don't you see it?"  the woman said. " You placed me next to a    2   . I do not agree to sit next to
someone from such a disgusting group. Give me a different__3  ."
      " Be calm, please," the stewardess said. " Almost all the seats on this flight are taken.   4   will go to see
if another place is available. " The stewardess went away and then came back a few minutes   5   . "Madam, just as I thought, there are no    6     seats in the economy class(经济舱). I spoke to the captain and he told me that there is   7    no free seat in the business class(商务舱). But we have one seat in the first class (头等舱). "    8     the woman could say anything, the stewardess    9   . “It is not usual for our company to
allow someone from the economy class to sit in the first class. However, the captain feels that it would not
be good to make someone sit     10    someone so disgusting. " She turned to the black man, and said, "For
that reason, Sir, if you would like to, please take your bag because a seat is waiting for you in the first class. " At the moment, the other people on the plane stood up and hit their hands together and cheered.
( )1. A. asked  
( )2. A. bad man
( )3. A. ticket  
( )4. A. She    
( )5. A. ago    
( )6. A. free    
( )7. A. already
( )8. A. When    
( )9. A. went    
( )10. A. behind

B. heard      
B. white woman
B. seat      
B. He        
B. later      
B. good      
B. seldom    
B. Till      
B. left      
B. ahead      

C. called    
C. white man  
C. table      
C. You        
C. before    
C. small      
C. ever      
C. While      
C. continued  
C. opposite to

D. told    
D. black man
D. plane    
D. I        
D. after    
D. single  
D. also    
D. Before  
D. laughed  
D. next to  

单项选择题