建设工程的设计文件需做重大修改的,建设单位应当报经()批准后,方可修改。
A.原审批机关
B.工程监理部门
C.施工图审查机构
D.勘察设计主管部门
参考答案:A
— Have you moved into the new house?
— Not yet, the rooms _________.[ ]
A. are being painted
B. are painting
C. are painted
D. have been painted
简述学龄期儿童的社会关系特点。。