问题 单项选择题

液压动力转向系统排空气的程序为()

A.架起转向桥,发动机怠速运转,同时反复向左、向右转动转向盘到极限位置直至储油箱内泡沫冒出并消除乳化现象

B.在车辆不启动的状态下,同时反复向左、向右转动转向盘到极限位置,直至储油箱内

C.在车辆放平坦的地面上,发动机怠速运转,同时反复向左、向右转动转向盘到极限位置,直至储油箱内泡沫冒出并消除乳化现象

答案

参考答案:A

完形填空
完形填空。
     Most people do different things when they get   l   . This is certainly true
for me. When I was in high school and college, my friends and I   2 _ to play a lot of sports. I played basketball and soccer. But now I only    3   sports on
TV.  I also used to f,lay the guitar in a band with some friends.  We played at dances and parties. But now I only listen to music. I go to some concerts,but
it's not the same.      
     I look   4   now, too. I was really skinny when I was in high school but not any more.  I  used to have long hair but now I have short hair.  I didn't use to
wear glasses either, but now  I   5    .  Most of my friends wear glasses now.
It's   6   common when you are older.But now   7   is different. I used to enjoy swimming when I was young and I still do. In fact, I love it!I swim a
kilometer every morning at the local swimming pool with a group of friends. We were all oIl tlie school team and we used to race__8__all the time. Now we don't do that 9    ,but we all find that swimming is a good way to get
some exercise and meet each other to10  the old days.
( )l. A.  newer  
( )2. A.used      
( )3. A.see      
( )4. A.strange  
( )5. A.use      
( )6. A.very much
( )7. A.everyone  
( )8. A.each olher
( )9. A.much more
( )10.A.dream of  
B.  younger  
B.went        
B.look at    
B.confident  
B.do          
B.many        
B.anyone      
B.any other  
B.any more    
B.talk about  
C.stronger    
C. wanted    
C.notice      
C.different  
C.like        
C.much        
C.anything    
C.one another
C.no more    
C.think about
D.older      
D.hoped      
D.watch      
D.frustrated
D.want      
D.more      
D.everything
D.the other  
D.no longer  
D.spend on  
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