饲料酵母在猪的日粮中一般不超过10%。
参考答案：对
色料相加，品红与青等量叠合得（）
A.红
B.绿
C.蓝
D.黑
Generally speaking, that city is ___ crowded than ___ in the same area.
A．less, the others
B．less, others
C．more, another
D．more, some other
