Young people tend to get up very late unless ________ to rise early.

A．required

B．requiring

C．they were required

D．to require

陆王心学与程朱理学的分歧主要在于

A．唯物主义与唯心主义

B．“天理”所在

C．“灭私欲”

D．对佛、道思想的认识