A:蒸馏
B:重结晶
C:过滤
D:萃取
Hello! I'm Linda. I have a good e-friend. Her name is Zhang Yun. Her English name is Betty. She is a Chinese girl, but she lives in the UK with her parents. Her father is a doctor and her mother is a teacher. She is ten years old. She call me big sister. She is good at English. She likes Chinese and I also like Chinese. She likes singing and playing basketball. This is my good e-friend. Do you want to know more?
已知集合M=0,1,2,N=y|y=2x,x∈M,则集合M∩N=( )
How much is the jacket?.
已知:D是
请填空: