三峡工程是目前世界上最大的水利工程.它所提供的清洁、廉价电能相当于每年燃烧500

题型:选择题

问题:

三峡工程是目前世界上最大的水利工程.它所提供的清洁、廉价电能相当于每年燃烧5000万吨原煤的火力发电厂产生的电能,因此三峡工程的建成和使用有助于减少(  )

(1)氮氧化物的排放  (2)酸雨的形成  (3)臭氧空洞扩大  (4)温室效应  (5)白色污染.

A.(1)(2)(3)(4)

B.(2)(4)(5)

C.(3)(4)(5)

D.(1)(2)(5)

考点:能源消耗对环境的影响
题型:选择题
完形填空。
     It was the night before the composition was due. As I looked at the list of topics, "The Art of Eating
Spaghetti (意大利面条)" caught my eye. The word "spaghetti" brought back the    1    of an evening at
Uncle Alien's in Belleville    2    all of us were seated around the table and Aunt Pat    3    spaghetti for
supper. Spaghetti was an exotic (外来的) treat in    4    days. Never had I eaten spaghetti, and    5    of
the grown-ups had enough experience to be    6    it. What laughing    7    we had about the    8   
respectable method for moving spaghetti from plate to mouth.    9   , I wanted to write about that, but
I wanted to   10   it down simply for my own   11   not for Mr. Fleagle, my composition teacher.   12  ,
I would write something else.
     When I finished it the night was half gone and there was no   13   left to write a proper composition
for Mr. Fleagle. There was no choice next morning but to   14   my work. Two days passed before Mr.
Fleagle returned the   15   papers. He said, "Now, class, I want to read you a composition," "The Art of
Eating Spaghetti".
     My words! He was reading my words out   16   to the whole class.   17   laughed, then the whole
class was laughing with open-hearted enjoyment. I did my best not to show   18  , but what I was feeling
was pure happiness,   19   my words had the power to make people   20  .

( )1.A.memory      
( )2.A.when         
( )3.A.cooked      
( )4.A.their       
( )5.A.none        
( )6.A.careful about
( )7.A.speeches     
( )8.A.nearly       
( )9.A.Especially  
( )10.A.settle      
( )11.A.work        
( )12.A.However      
( )13.A.time        
( )14.A.give up      
(     )15.A.written      
( )16.A.loud        
(     )17.A.People      
( )18.A.shock        
( )19.A.if          
( )20.A.excited      

B.thought   
B.where     
B.served    
B.past     
B.one       
B.good at   
B.lessons   
B.naturally 
B.Probable  
B.put       
B.story     
B.Therefore     
B.excuse   
B.continue  
B.graded    
B.fast     
B.Nobody   
B.wonder   
B.for       
B.satisfied 
C.knowledge 
C.since    
C.got       
C.last      
C.any      
C.fond of   
C.sayings   
C.officially
C.Suddenly  
C.bite      
C.luck     
C.As for him    
C.way       
C.hand in   
C.collected  
C.slowly   
C.Somebody  
C.worry     
C.while     
C.think     
D.experience       
D.after           
D.made              
D.those              
D.neither         
D.interested in     
D.arguments          
D.socially          
D.fortunately     
D.let                
D.joy           
D.Except for that                  
D.idea              
D.delay             
D.signed             
D.calmly           
D.I               
D.pleasure          
D.although          
D.laugh           
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在集中托运方式下,航空主运单上显示的托运人必须是()

A.实际托运人

B.货运代理人

C.真实的货主

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B.痔
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