照到平面镜上的太阳光,可认为是平行的,那么,它们的反射光线应是[ ]
A.会聚的
B.发散的
C.平行的
D.无法判断
答案:C
— Alison, I'm sorry. I can't come to the wedding with you tomorrow morning.
— ______?
— My grandma was severely ill, so I have to stay in the hospital to look after her. [ ]
A. How is it
B. How come
C. So what
D. What's the problem
我国等级工资制分为工人等级工资制度和()。
A、领导等级工资制度
B、工种等级工资制度
C、职业等级工资制度
D、职务等级工资制度