关于水合氮醛,叙述正确的是()
A.对胃肠道无刺激
B.无成瘾性
C.无肝、肾功能损害
D.安全范围大
E.醒后无后遗效应
参考答案:E
One can fail at times, but _______ makes a difference is one’s attitude towards life.
A.what
B.which
C.that
D.where
何谓合理营养?它有哪些基本要求?