投标担保的具体形式有( )。
A.保留金
B.现金
C.银行汇票
D.保兑支票
E.现金支票
参考答案:B,C,D,E
I knew nothing of the motives behind his recent move, and I don''t know either the person to put him up to the action.
A.nor did I know ... who
B.not did I know ... that
C.nor do I know ... that
D.either did I know ... who
物料储备总量是指()三者之和。
A.经常储备量
B.保险储备量
C.季节储备量
D.周转储备量