预缴进口保证金是()要求进口商预缴相当于进口商品总值一定比例的存款，以抑制进口过快增长。
A．中央银行
B．人民政府
C．国务院
D．金融当局
参考答案：A
Lisa was punished by her mother because she went out to play ____ her homework unfinished.[ ]
A. after
B. before
C. with
D. of
质量审核是客观评价TQM的成效的重要手段。
