通过加强施工资料的管理,可以提高( ),达到保证和提高工程质量的目的。
A.施工进度
B.施工人员水平
C.施工企业的管理水平
D.设计图纸质量
参考答案:C
It is the idea____smiles can get rid of cold ____has been proved by the researchers many times.
A.which; which
B.that; that
C.that; which
D.which; that
生活垃圾分类采取了什么样的激励机制,有效提高了居民参与度()
A.绿色账户
B.小手拉大手
C.绿袖标
D.拥抱蓝天