真菌的结构或成分包括()
A.细胞膜
B.细胞壁
C.内质网
D.鞭毛
E.核糖体
参考答案:A, B, C, E
— There's _________ important in today's newspaper, isn't there?
— Sorry, I don't know. I haven't got the paper yet.
A. nothing B. something C. anything
编组始发列车或甩挂作业后未确认连结状态,开车时发生车钩分离按“列车分离”论。