下列属于社会公德规范内容的有()
A.助人为乐,互相帮助
B.守信用,讲信誉
C.尊老敬贤,爱妇幼
D.爱护公共财物
E.讲究文明礼貌和公共卫生
参考答案:A, B, C, D, E
常用润滑油有哪几种?
In a given month, Friday is the 21st day of the month. What day of the week was the 5th of the month? ()
A.Monday
B.Thursday
C.Saturday
D.Wednesday