配送中心通过集结（）和装车及运送等职能来完成其众多的配送任务。
A.储存保管
B.分货
C.配货
D.拣选
参考答案：A, B, C
---- The fish soup is delicious．I’d like some more．
---- Sorry．There is ________ left．
A．none
B．neither
C．no one
D．a little
Li Ming, how are you getting _____ with your study? [ ]
A. at
B. in
C. to
D. on
