人身保险监管的核心是人身保险机构的偿付能力监管。
参考答案:对
He couldn’t _______ an answer when I asked him why he was late. [ ]
A. make use of
B. catch up with
C. come up with
D. bring out
什么叫钢丝绳的破断拉力、容许拉力和安全系数?