问题 单项选择题

实地测定的离心泵与出厂试验的性能参数相比,在规定流量下的扬程其下差不超过()。

A.10%

B.1.0%

C.0.5%

D.5%

答案

参考答案:D

完形填空
完形填空。
     This afternoon, our class held a class meeting to vote for the new class leaders. I 1 this election (选举) and I
wanted to be class president.
     This was the 2 time that our class held an election. I wanted to have a try at the first time 3 I didn't receive the
notice. The second time, I received the notice, but I felt 4 . I didn't know how to make a 5 for the campaign in front
of so many classmates. So I didn't join it. Now, this time, I didn't want to miss the chance to 6 myself. I wanted to
do something for my classmates and I was sure that I could make them 7 me. 
     8 I became class president. I felt happy and I also knew that I should 9 my classmates more actively (主动地).
I believe that our class will be better with the 10 and help of all our classmates.
( )1. A. won        
( )2. A. first      
( )3. A. so        
( )4. A. tired      
( )5. A. model      
( )6. A. think      
( )7. A. talk with  
( )8. A. At last    
( )9. A. call      
( )10.A. notebook  
B. joined    
B. second    
B. or        
B. angry    
B. dream    
B. show      
B. make sure
B. Right now
B. serve    
B. test      
C. hated        
C. third        
C. but          
C. afraid        
C. class        
C. learn        
C. believe in    
C. After a while
C. order        
C. pleasure      
D. watched        
D. last            
D. because        
D. pleased        
D. speech          
D. remember        
D. care about      
D. All the time    
D. solve          
D. support        
选择题