尊敬老师，最重要的是[ ]
A．听老师的话
B．尊重老师的劳动
C．对老师有礼貌
D．按时完成作业
答案：B
— There are many people over there. What to the old man?
— Sorry, I don’t know.
A．was happened
B．will happen
C．were happened
D．happened
下列各项中，在人类各个社会阶段中都起作用的经济规律是（）
A.价值规律
B.按劳分配规律
C.剩余价值规律
D.生产关系一定要适应生产力性质的规律
