1 . From ______ top of Mount Tai, you can get ______ wonderful view of sunrise.

A．a; the

B．the; a

C．a; /

D．the; /

2 . ---In recent years, _____ problem of global warming has been very serious.
---That’s right. People are facing ____ number of natural disasters now.

A．the; a

B．a; the

C．a; a

D．the; the