问题 选择题

在一个生态系统中,具有锐利的牙齿和尖锐的爪的动物常常是[ ]

A.初级消费者

B.次级消费者

C.自养生物

D.分解者

答案

答案:B

完形填空
完形填空。
     My dear kids, here are some _____ for you. As the students in our school, you have to obey (遵守) 
   them.
    Don't __2___ late for school. You have to be here by eight.
    Don't eat in the classroom __3___ you can eat in the dining hall.
    Get back home before six in the afternoon.
    You can't eat ___4__ and you can only eat at school at noon
    Don't ___5__ with your classmates or other students.  
    You can wear glasses in class. But you can't wear __6___.
    Clean the ___7__ after school.
    You have to __8___ sports shoes for P. E. class in the ___9__.
    You can't go out on school _10____.It is dangerous to go out at night.  .
    Go to the music room if you want to listen to music.
    Hand in (上交) your homework on time.
( ) 1. A. opinions
( ) 2. A. fun    
( ) 3. A. or    
( ) 4. A. inside
( ) 5. A. talk  
( ) 6. A. wallet
( ) 7. A. study  
( ) 8. A. wear  
( ) 9. A. gym    
( ) 10. A. morning
B. suggestions  
B. arrive      
B. so          
B. beside      
B. wash        
B. sunglasses  
B. shop        
B. on          
B. dining hall  
B. noon        
C. guides  
C. return  
C. but      
C. outside  
C. stand    
C. belt    
C. classroom
C. in      
C. palace  
C. afternoon
D. rules  
D. walk  
D. and    
D. around
D. fight  
D. clothes
D. bedroom
D. with  
D. square
D. nights
单项选择题