— Do you like black?
— No, I like it .
A:don't; a lot
B:doesn't; very much
C:don't; at all
D:doesn't; at all
— You are welcome. Now it's easier _____ you to understand it.
①坚持了两点论和重点论的统一
②把握了矛盾主次方面的统一
③运用系统优化的方法认识问题
④坚持了共性与个性的具体的历史的统一
下列有关电磁波及信息传输的说法中错误的是( )