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                题目内容
                (河南大学-大学英语(一))
            
            
                No fund has been provided to build a system()reading fingerprints more efficiently.
A.good at
B.keen on
C.concerned for
D.capable of
                    
                    
                    
                
                
                
            
        A.good at
B.keen on
C.concerned for
D.capable of
参考答案