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我会给多音字组词。

       空                 数              斗                  盛 

 kōng kòng      shǔ  shù      dòu  dǒu       chéng  shèng

(      )(      )  (      )(      )  (      )(      )     (      )(      )

答案

空气   有空   数数   数学   战斗   一斗   盛饭   丰盛

(答案不唯一)

完形填空
完形填空。

     One day I pulled up to my apartment building and noticed there was a father and daughter
__1__ some things from a moving truck. Normally I'm shy away from contact with __2__.
That particular day, though, something was in me; I can't explain __3__, but I felt like I should
 just help these people, even __4__ something as seemingly unimportant as unloading a truck.
So I __5__ and introduced myself, welcomed them to the town, and asked them to give me
a(n) __6__ to put some proper shoes on. After I had flipflops(夹趾拖鞋)on, I went over and
helped them move all of their __7__ into the apartment.
     After we finished, we talked some and I got to know my new __8__. It might seem unimportant,
but it seems like people are less __9__ and friendly to their neighbors these days; I wanted to
__10__ that, at least in my small __11__ block. So we did talk,and they're from Florida, just
like me.
     At that __12__ time in my life, I was going through a really difficult __13__ with my girlfriend
of 7 years. I didn't feel like helping anyone or doing anything __14__, but I figured why not?And
I'm glad I did. Also, as __15__ would have it, their daughter is my age(college student)and we
each had a mutual(相互的)__16__in one another. This developed into a friendship, and in the
coming months, probably more.
     The __17__ was the act itself, though. I got to know my new neighbors and made some new
friends in the __18__. And I felt really good about it. Since then, I've tried __19__ my comfort
zone to perform other unplanned acts of __20__. So far, so good.I'd encourage everyone else
to do the same!

( )1.A.stealing  
( )2.A.teachers  
( )3.A.which      
( )4.A.with      
( )5.A.came up    
( )6.A.moment    
( )7.A.treasure  
( )8.A.neighbors  
( )9.A.open      
( )10.A.change    
( )11.A.house    
( )12.A.particular
( )13.A.breakout  
( )14.A.primitive
( )15.A.luck      
( )16.A.choice    
( )17.A.award    
( )18.A.game      
( )19.A.expanding
( )20.A.success   		B．burdening  
B．strangers  
B．why        
B．about      
B．came on    
B．hand      
B．goods      
B．girlfriend
B．afraid    
B．accept    
B．school    
B．common    
B．breakup    
B．positive  
B．accident  
B．habit      
B．chance    
B．process    
B．decreasing
B．courage    		C．unloading  
C．friends    
C．what        
C．for        
C．came out    
C．hour        
C．furniture  
C．students    
C．curious    
C．receive    
C．apartment  
C．normal      
C．breakthrough
C．meaningless
C．success    
C．love        
C．reward      
C．program    
C．reducing    
C．kindness    		D．packing      
D．parents      
D．when          
D．on            
D．came back    
D．break        
D．belongings    
D．classmates    
D．lucky        
D．observe      
D．company      
D．usual        
D．breakdown    
D．important    
D．result        
D．interest      
D．prize        
D．direction    
D．closing      
D．consideration
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问答题


阅读以下说明和关系表，回答问题1～3。
[说明]
关系S(学号Sno、课程号Cno、成绩Grade)、Q(课程号Cno、成绩Grade)、R(课程号Cno、教师号Tno)如下表所示，根据要求来进行关系运算。

[问题2]
求S÷Q，S÷R
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