在工程量复核工作中，其目的是为了( )提供依据。

A．便于准确核算成本

B．便于准确计算投标价格

C．选定施工方案

D．安排施工进度计划

E．加强内部管理

单句改错。（每句有一处错误，请改正。）

1．There have eight oranges on the desk.                                                        

2．Alice and I are in a same school.                                                                

3．Is that bike his or your?                                                                             

4．This photo look like Tom's.                                                                        

5．They are woman teachers in our school.                                                      

6．Can he looks after his little brother?                                                             

7．I visiting my grandparents now.                                                                  

8．How's the weather in Chengdu? It's cloud.                                                   

9．I think he isn't so great.                                                                              

10．I can go shoping, and nobody knows me.