一个长方形的周长是80厘米，长与宽的比是5∶3，这个长方形的长是

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问题选择题

一个长方形的周长是80厘米，长与宽的比是5∶3，这个长方形的长是[ ]

A．5厘米

B．40厘米

C．25厘米

答案

答案：C

仿写题，造句

例:	What's this? This is glue.
1.	What's this? ___________________
2.	What's this? ___________________
例:	Is this Steven's pencil? Yes! It's his pencil. / No. It's not his pencil.
3.	Is this Danny's marker? ____________________
4.	Is this Kim's chair? ____________________

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