超高压电压等级有()。
A.330KV
B.500KV
C.750KV
D.1000KV
参考答案:A, B, C
________ (,) the proposal concerning health food production was rejected for the lack of fund required.
A.On the whole
B. Hopefully
C.Much to our regret
D.What delights us most is
( )是指证券组合所获得的高于市场的那部分风险溢价。
A.詹森指数B.贝塔指数C.夏普指数D.特雷诺指数