【单选题】下列有关细胞分裂和分化的叙述中,不正确的是()
【单选题】She _____ Japanese when she was in Japan. Now she can speak it freely. [ ]
【单选题】First, she picked up a small rock and threw at it.
A.
Picked up a small rock and threw at it.
B.
Picking up a small rock, she threw at it.
C.
She picked up a small rock, and throwing at it.
D.
She picked up a small rock , threw at it.
【单选题】根据组织结构类型理论,“企业的一切管理工作均由企业的厂长(公司经理)直接指挥和管理,不设专门的职能机构”属于( )类型的组织
【单选题】She ______ Japanese when she was in Japan. Now she can speak it freely. [ ]
【单选题】观察图,得到的信息不正确的是( )
A.
①是由DNA和蛋白质组成,它们是主要的遗传物质