—It's hard for me to fall asleep at night. Could you offer me some advice?
—________________. Tell me all about it and I'll do what I can.
父母与子女的关系确立，绝大多数基于血缘关系，这种关系 。有志者不嫌家贫，明理者不嫌母丑。（ ）
)的图象，只需将y=2sinx的图象上的所有的点( )