维生素是维持机体正常生命活动所必需的营养素，故所有维生素必须每天供给。
参考答案：错
A:Do you know for advice when we have problems.
B:You can talk to your parents or teachers.
A．who to talk
B．when to talk to
C．who to talk to
D．who can we talk to
简述我国会计法律制度的基本构成。
