Choose the mistakes．（找出下列每句中的错误).

(    )1. Our school is biger than your school.                 

                            A  B      C

(   )2. -Is Sam stronger than Lingling?        

           A           B      

         -Yes，he  isn't.   

                       C    

(    )3. Sam is  short than Daming.

                  A   B       C

(    )4.  The Changjiang River is longer than the yellow River. 

                  A                                B                 C

竣工图应依据施工图、（）、设计变更通知单、工程洽商记录（包括技术核定单）等绘制。

A、用地蓝线

B、图纸会审记录

C、合同协议文件

D、业主表更指示