从万维网的资源中抽取感兴趣的、有用的模式或隐含的信息的过程，称为______挖掘。
参考答案：Web
根据答语写出问句。
1.---________________________________________________
--- It's a book.
2. --- ________________________________________________
--- I'm fine, thanks.
3. --- ________________________________________________
--- They're arms.
4. --- ________________________________________________
--- Yes, it's my ball.
5. --- ________________________________________________
--- No, an eye.
A．1
B．2
C．3
D．4
