A:鲫鱼、鲢鱼、草鱼、大马哈鱼
B:鲫鱼、乌鱼、草鱼、鲳鱼
C:青鱼、草鱼、鲢鱼、鳙鱼
D:鲤鱼、乌鱼、草鱼、鲳鱼
设某户每月用水量x(立方米),应交水费y (元).
月份
用水量(m3)
收费(元)
9
5
7.5
10
27
— Me, too. Hot weather ________ makes people feel hot, _________ causes serious health problems.