统计用区划代码的位数是()。
A.6
B.10
C.12
D.17
参考答案:C
解析:本题考察统计用区划代码相关知识,教材中明确说明统计用区划代码由12位代码组成。
Swimmers must be very strong in order to build up speed because of the high resistance of the water. Runners, ____, must struggle against the heavy resistance of the air and ground.
A.generally
B.similarly
C.naturally
D.probably
分红保单红利主要来源于()
A、死差益
B、利差益
C、费差益
D、其他收益