下列商业保险的构成要素中，决定着保险公司承保能力的要素是（）。
A.保险合同
B.保险利益
C.多数法则
D.保险基金
参考答案：D
属于污染切口的是
A．低渗性脱水B．高渗性缺水C．等渗性缺水D．高血钾E．低血钾
– Look at these factories. I hate them. They____ many rivers here.
--Yes. Something ______ to stop the pollution.
A．polluted, must do
B．had polluted , must be doing
C．have polluted , must be done
D．were polluting, must be done
