A：x|x<0
B：x|0<x≤1
C：x|1<x≤2
D：x|x>2
A. Is the man your father? B. No, I don't.
C. What are you going to be one day? D. What does he do?
E. Who's the man? F. Where does he work?
G. Does your father work in a car factory?
A:Hello. ____
B:Yes, he is my father.
A:____
B:He is an engineer.
B:He works in a car company. He likesdrawing pictures.
A:Do you like drawing pictures?
B:____ I like singing.
B:I'm going to be a singer one day.
这一现象的合理解释是（）
If we keep on working hard, I'm sure our dream ____ (come) true.
若式子y=﹣1x+2有意义，则实数x的取值范围是____．
