由几个保险人联合直接承保同一保险标的、同一风险、同一保险利益的保险称为()
A.重复保险
B.共同保险
C.再保险
D.原保险
参考答案:B
(A) 条件(1)充分,但条件(2)不充分. (B) 条件(2)充分,但条件(1)不充分. (C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. (D) 条件(1)充分,条件(2)也充分. (E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
[*] A computer generates non-zero numbers for the figure above so that the product of the numbers along any vertical column is equal to the product of the numbers in any horizontal row. What number does s represent (1) u equals 6. (2) t equals 2.
炉凉时,从风口观察到的征兆有()。
A.风口挂渣
B.风口明亮
C.风口活跃