市场上常见的浓缩饲料,在饲喂猪时需要按一定比例添加()
A.蛋白饲料
B.能量饲料
C.矿物质
D.维生素
参考答案:B
— Are there any children under the tree?
— ____________________________.[ ]
A. Yes, they are
B. Yes, they do
C. Yes, there are
外资企业将其财产或者权益对外抵押、转让的,须经工商行政管理机关批准,并报审批机关备案。( )