34:910,
=(34×20):(910×20),
=15:18,
=(15÷3):(18÷3),
=5:6;
故答案为:5:6.
电费回收率是()和()的比值
A.实收电费;应收电费
B.实收电费;欠电费
C.欠电费;实收电费
D.应收电费
E.实收电费
The heart is _____ intelligent than the stomach, for they are both controlled by the brain.
A.not less
B.not more
C.no less
D.no more