A:①②
B:①③
C:②④
D:③④
有19位同学参加歌咏比赛,成绩互不相同,前10名的同学进入决赛.某同学知道自己的分数后,要判断自己能否进入决赛,他只需知道这19位同学成绩的 ( )
2015年4月27日夜冰雹狂风突袭黔南,发生的许多现象与物理有关.冰雹是由高空中的过冷水滴____ 形成的(填物态变化名称);掉在地上的冰雹会反弹起来,在上升过程中将____能转化为____能;都匀大龙大道旁边的许多板房的顶棚被狂风卷起,这是因为顶棚上方空气流速较快,压强____ 造成的.
A:This is my family photo.
B:____
A:Nine
A:He is my father.
A:He is a doctor.
A:Yes, she is.
B:What does she do?
A:She is a teacher.
A:She works in Yucai Middle School.
A. Where does she work?
B. How many people are there in your faimly?
C. Is this your mother?
D. Who is this man?
E. What's your father?