A:c:b=4:5
B:a:c=1:5
C:a:b=1:3
D:b:c=3:4
对脂肪有乳化作用相关的是下列哪一项( )
已知全集U={1,2,3,4,5},集合A={1,3,4},集合B={2,4},则CUA∪B为( )
My family are going to ____.