A: Hello, Jim 小题1:
B: Oh, yes, I like it very much.
A: Well. 小题2:
B: Twice a week.
A: Who do you play basketball with?
B: I play it with my friends.
A: 小题3:
B: For about an hour.
A: 小题4:
B: On Tuesday and Friday afternoon.
A: Do you like watching basketball match?
B: Yes, very much.
A: Tomorrow is Sunday. Would you like to go and watch a basketball match with me?
B: 小题5: but I have to do my homework on Sunday.
A．Yes, I would
B．How often do you play basketball?
C．Yes, I’d like to.
D．How long do you play basketball every time?E.Do you like playing basketball?
F.No,I wouldn’t.
G.When do you usually play basketball?
）的下端与光滑的圆弧轨道BCD的B端相切，圆弧半径为R，圆心与A、D在同一水平面上，∠COB=θ，AB与水平面的夹角也为θ，现有一个质量为m的小物体从斜面上的A点无初速滑下，已知小物体与斜面AB间的动摩擦因数为μ，求：