如图所示，在倾角为θ的斜面上某点A，以初速度v抛出一物体，最后落在斜面上的B点，不计空气阻力，则（　　）

A．物体从A到B的运动时间为2vtgθ/g

B．物体离开斜面的最大距离为v²sin²θ/2gcosθ

C．A、B两点之间的距离为2v²sinθ（1+tg²θ）/g

D．物体在B点时的动能为在A点时动能的（1+2tg²θ）倍

Questions 11 to 15 are based on the following interview.

A. They are financially capable to make both ends meet living there.
B. They have high expectations for a quiet community of isolation
C. Some are disappointed but many more are happy with the community.
D. Some have high incomes and others are working class folks.