按要求完成句子

1. What is her age?(同义句改写)

    __________ __________ is she?

2. We have a school trip at our school.(改为一般疑问句)

    __________ __________ have a school trip at your school?

3. Today is May 4th.(对划线部分提问)

    __________ __________ __________ today?

4. The Art Festival is April 24th.(对划线部分提问)

    __________ __________ the Art Festival?

5. His birthday is May 18th.(用John改写句子)

    __________ __________ is May 18th.

在建筑设计评价指标中，建筑物周长与建筑面积比作为主要使用单位建筑面积所占的外墙长度指标K_周，K_周越低，设计越经济，则K_周最大的建筑平面形状为( )。

A．正方形

B．圆形

C．矩形

D．T形