The doctor told me to eat more         because it’s good for my health.

A．oranges

B． vegetables

C．ice cream

D．fish

下列哪些矫治器是可摘矫治器

A．Activator

B．上颌平面导板矫治器

C．舌习惯矫治器

D．FR-Ⅲ

E．方丝弓矫治器