—Would you like some more_______? —Thank

-- I will have a match tomorrow. I hope I will win.     -- __________.

A．Good luck

B．No idea

C．That’s such a pity

D．It’s all right.

从方框中选出适当的句子完成对话。

Tom: Hi! Alice, you look so sad.   1  

Alice: I failed the English exam.

Tom:   2  But you don't need to worry about it all the time.

Alice: I really don't know how to study English well.   3  

Tom:l think you'd better study with a group.

Alice : Oh , that's a good idea.  4  

Tom : Certainly. And we can learn from each other.

Alice : Sounds good. When can I join you?

Tom:   5  

Alice: That's very kind of you.

1._____ 2._____ 3._____ 4._____ 5._____

支气管扩张的好发部位为（）

A.左下叶

B.右下叶

C.右中叶

D.左上叶

E.右上叶

以美观实用为原则来设计.试述以列表形式显示数据库中记录的一般步骤。③插入显示数据库数据的代码；如何判断会员是否登陆？

从系统建立修改的角度，人机对话接口的设计目标是什么？