今天的北京在隋朝时被称为（     ）

A：Wait a moment，Wang Lin. I have something exciting to tell you.

B：____

A：I made a new friend today. His name is Frank. He comes from America.

B：That's great！____

A：He is thin，but he looks strong.

B：____

A：He is as tall as I．But he is more athletic than I.

B：____

A：You are right. He said he would teach me how to play basketball.____

B：I'd love to. Thank you!

A．Would you like to make friends with him?

B．Frank is the same as me.

C．What does he look like?

D．Is Frank tall or short?

E．He is very quiet.

F．I think he likes sports very much.

G．What is it?

根据汉语意思完成句子

下列大洲中，地势最低平的是（　　）