We must try our best to keep the _____ of nature. 
[     ]
A. balance          
B. balanced
C. balancing        
D. balances
—Jack, will your family move to Shanghai?
—Yes. That's a very big _______ my parents made.
[     ]
A. decide
B. decision
C. education
We must realize the _____ of protecting our environment.  
[     ]

A. difference                    
B. development  
C. importance                        
D. pleasure

Don't make so much _______. The baby is sleeping.

[     ]

A. noise
B. noisy
C. noisily
D. noises.
He runs fast and plays football very well. He has a good _____.
[     ]
A. sense of humour
B. sense of sports
C. sense of smell
D. musical sense
—What's your favorite ________?
—Summer. Because I can swim in rivers.
[     ]
A. season
B. subject
C. music
D. sport
My gloves are worn out. I'd like to buy another _______.
[     ]
A. pair      
B. one      
C. it  
D  That
Michael Jordan is a            player.
[     ]
A. ping-pong    
B. basketball
C. tennis        
D. soccer
It's best to plant trees(植树)in          .              
[     ]
A．autumn        
B．winter        
C．summer      
D．spring
My uncle's mum is my_____.
A. mother    
B. grandfather    
C. father    
D. grandmother
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