货舱中装有几个探测器（）A.3个 B.8个 C.6个 D.9个

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?

中标价必须是经评审的最低报价，但不得低于成本。()

液压千斤顶在降落时，其油门应（）使活塞下降。

A.打开

B.微开

C.均匀打开

D.观察

如图，竖直放置的斜面AB（）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：

（1）小物体第一次通过C点时，对C点的压力；

（2）小物体通过C点时，对C点的最小压力；

（3）小物体在斜面上能够通过的总路程。

行政诉讼与民事诉讼的区别是（）。

A.诉讼的目的不同

B.诉讼发生的条件不同

C.按撤诉处理条件不同

D.适用法律依据不同

E.反诉条件不同