爆破中最小抵抗线是指（）。
A.两相邻炮眼间距离
B.炮眼至边眼距离
C.炮眼装药中心至自由面的最小距离
参考答案：C
Not until ___ to do my homework ____ how much time I had wasted playing computer games. [ ]
A. I began; I realized
B. I began; did I realize
C. did I begin; I realized
D. did I begin; did I realize
合伙企业的合伙人之间约定的债务分担比例在合伙人之间是有约束力的，对债权人也是有约束力的。( )
