《建设项目环境保护管理条例》规定：分期建设、分期投入生产或者使用的建设项目，其相应的环境保护设施应当分期验收。
参考答案：对
By referring to Sam' s broken bicycle, the author intends to ______.
A．illustrate the ways to repair his bicycle
B．discuss the problems of his bicycle
C．tell us how to solve a problem
D．show us how to analyze a problem
简述区际法律冲突的解决途径。
