Hello, I’m Linda. This is a photo of my friend’s family. Her name is Jane. These are her parents, Jeff Brown and Emily Brown. Those are her brothers, Harry and Dick. Is that her grandfather? Yes, it is. His name is Henry.

根据短文内容选择正确答案。

小题1:What’s Jane’s family name?

A．Brown

B．Linda

C．Jeff

D．Emily小题2:Jeff and Emily are          parents.

A．Linda’s

B．Rick’s

C．Henry’s

D．Jane’s小题3:Harry and Dick are         .

A．sisters

B．brothers

C．cousins

D．parents小题4:Jane is Linda’s        .

A．sister

B．mother

C．friend

D．mother小题5:Is Dick Henry’s son?

A．Yes, he is.

B．No, he isn’t.

C．I don’t know.（不知道）

D．Yes, it is.

一个长方体棱长之和是120厘米，相交于一个顶点的三条棱的长度的和是______厘米．