水环境容量
参考答案：
是指某水体在特定的环境目标下所能容纳污染物的量。
混凝土构件裂缝的分布主要与（）。
A、混凝土抗拉强度有关
B、混凝土极限拉应变有关
C、混凝土与钢筋见的握攘强度有关
D、混凝土回缩及钢筋拉长量有关
It seems that many people here just need to talk, so I am finding that my job is not limited ________
a nurse. [ ]
A. in being
B. for being
C. to be
D. to being
