人身保险是以()为保险标的,在被保险人在保险期限内发生保险事故或生存至保险期满时给付保险金的保险业务。
A.生存或身体
B.生存或死亡
C.生命或身体
D.健康或疾病
参考答案:C
在四面体ABCD中,AB=CD=6,AC=BD=4,AD=BC=5,则四面体ABCD的外接球的表面积为( )。
----It took me ten years to build up my business, and it almost killed me.
----Well, you know what they say. ____________.
A.There is no smoke without fire
B.Practice makes perfect
C.All roads lead to Rome
D.No pains, no gains