亲鱼选择要注意哪些问题？

表是数据库中最基本的操作对象，也是整个数据库系统的_________。

已知集合A={x|1≤x≤4}，B={x|x＞2}，则A∩B=（　　）

A．{x|1≤x≤4}

B．{x|2＜x≤4}

C．{x|2≤x≤4}

D．{x|1≤x＜2}

As technological advances put more and more time between early school life and the young person's final access to specialized work, the stage of ______ becomes an even more marked and conscious period.

A．adolescence

B．adjacency

C．advantage

D．adventure

调拨单在理货员和仓库管理人员双方签名确认后，由（）分发到相关人员。

A.理货员

B.仓库管理人员

C.计划员

D.理货员和仓库管理人员