A:大聚居,小散居,交错杂居
B:大散居,小聚居,交错杂居
C:大散居,小聚居,界线分明
D:大聚居,小散居,均匀杂居
下列调查中,适合采用全面调查(普查)方式的是( )
下列不属于控制无关变量的相关操作是( )
一 These clothes are all out of date. Let's go and buy some new clothes.
一 I can't agree more. Let's go.