汽车以6m/s的初速度，以3m/s²的加速度在粗糙水平地面刹车，3s内汽车滑行的距离为(        )

A．31.5m

B．4.5m

C．6.0m

D．以上答案都不对

Dear Amy,

I have a problem and I’m writing ask you 1. （）

for an advice. This is a secret, so l don’t tell anybody else. 2. （）

My cousin and I used to getting along very well and 3. （）

we were good friend. We were planning to spend 4. （）

part of the winter holiday together, but now 5.（）

I don’t think I want to invite her home. 6. （）

Recently I has discovered that he’s started to tell 7. （）

lies. When I told him this was wrong to tell lies, 8. （）

but he just laughed at me. The problem is, should I 9. （）

tell his parents or his teacher, or should I keep quietly. 10. （）

第（4）空应（）