应用数据库的主要目的是( )。

A．解决数据保密问题

B．解决数据完整性问题

C．解决数据共享问题

D．解决数据量大的问题

---          today!

---Yes. Shall we have a picnic in the open air?

A．What fine weather is

B．How fine weather it is

C．What a fine weather it is

D．How fine the weather is