题干
为图片选择合适的对话。
⑴ 
____
⑵ 
____
⑶ 
____
⑷ 
____
⑸ 
____
A. — Look, this is our library!
— It is great.
B. — Look, this is my bedroom!
— Your bedroom is nice.
C. — What are they doing?
— They are playing on the playground.
D. — Is your home far from the school?
— No, it's near. I always walk to school.
E. — Where is your father?
— He is near the school.
答案(点此获取答案解析）
C,B,E,A,D
g．则它运动到最低点时，绳对球的拉力大小为 ( )