Look the elephant. [ ]
A. at
B. to
C. like
答案：A
条形码代替了键盘输入，提高了数据的精确性，成为目前全球商业的关键因素。( )
-Are you satisfied with the result of the discussion? –Not at all , I can’t have
A．a worse one
B．a better one
C．the worst one
D．the best one
