问题 解答题
甲乙两地相距420千米,一辆汽车行驶了全程的
4
5
,行驶了多少千米?
答案

420×

4
5
=336(千米).

答:行驶了336千米.

完形填空
完形填空。
     In most parts of the world, many students help their schools make less pollution. They join " 1 ". In a
meaningful club, people work together  2   our environment clean.   
     Here are some things students often do.   
     No-garbage (废料,垃圾) lunches. How much do you throw away  3  lunch? Environment clubs ask
students to bring heir lunches in bags that can  4  again. Every week, they will choose the classes that makes
the least garbage and report them to the whole school.   
     No-car day. On a no-car day,  5  comes to school in a car. Neither the students nor the teachers! Cars
give pollution to the air.  6  remember: walk, jump, bike or run. Use your legs! It's lots of fun.   
      7  the water! Did you know that some toilets could  8  twenty to forty cubic (立方的) meters of water
an hour? In a year, to your  9 , that would fill a small river! In environment clubs, students repair those
broken toilets  10 .   
    We love our environment. Let's work together and make it clean.
( )1. A. no-car day
( )2. A. make      
( )3. A. since     
( )4. A. use       
( )5. A. somebody  
( )6. A. So        
( )7. A. Turn on   
( )8. A. waste     
( )9. A. surprise  
( )10. A. their    
B. environment club
B. making          
B. until           
B. be used         
B. anybody         
B. And             
B. Turn up         
B. give            
B. surprised       
B. they            
C. new music groups
C. to make         
C. before          
C. throw           
C. everybody       
C. But             
C. Turn off        
C. keep            
C. surprising      
C. them            
D. no-garbage lunches
D. will make        
D. after            
D. be thrown        
D. nobody                                  
D. Or               
D. Turn down        
D. throw            
D. surprisingly     
D. themselves       
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