安全文化的功能主要体现在以下哪些方面（）
A.导向功能
B.激励功能
C.凝聚功能
D.规范功能
E.价值功能
参考答案：A, B, C, D
Man: I’m going to drop my Information Science class. It means too early in the morning. Woman: Is that really the good reason to drop the class, Tony Question: What does the woman mean
A. Tony should continue taking the course.B. She approves of Tony’s decision.C. Tony can choose another science course.D. She can’t meet Tony so early in the morning.
某固定资产原值为6000元，预计净残值为240元，使用年限为4年，若采用双倍余额递减法计提折旧，则第3年应计提的折旧额为( )元。
A．530
B．630
C．730
D．830
