摘要： The pull of gravity depends upon size, , upon mass. An object, whether its mass is big or small on the earth, in weightless conditions, like the outer space. A. or rather; floats B. rather than; flies C. to be more exact; flies D. other than; floats

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The pull of gravity depends upon size, _______, upon mass. An object, whether its mass is big or small on the earth, ________in weightless conditions, like the outer space.     
[     ]

A. or rather; floats    
B. rather than; flies  
C. to be more exact; flies  
D. other than; floats

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The pull of gravity depends upon size, _______, upon mass. An object, whether its mass is big or small on the earth, ________in weightless conditions, like the outer space.

　 A. or rather; floats　 　　　　　　　　　　 B. rather than; flies　

C. to be more exact; flies　 　　　　　　　　 D. other than; floats

 

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