一般项目指建筑工程中对安全、卫生、环境保护和公共利益起决定性作用的检验项目。（）
参考答案：错
Although he is very busy, he _____ every Saturday afternoon to staying with his family. [ ]
A. devotes
B. spends
C. pays
D. attends
根尖诱导成形术的工作长度为切缘距根尖
A．小于0.5mm
B．0.5～1mm
C．1～2mm
D．2～3mm
E．3mm以上
