做匀加速直线运动的物体，加速度是2 m/s2，这意味着() A．物体在任一秒末的
题型：选择题
问题：
做匀加速直线运动的物体，加速度是2 m/s2，这意味着( )
A．物体在任一秒末的速度是该秒初的两倍
B．物体在任一秒末的速度比该秒初的速度大2 m/s
C．物体在任一秒内的位移比前一秒多2 m.
D．物体在任一秒初速度比前一秒的末速度大2 m/s
题型：选择题
阅读下列短文，从每题所给的选项A 、B 、C 、D 中选出最佳选项。
1. The zoo opens a week.
A. two days
B. five days
C. six days
D. seven days
2. On Tuesday,the zoo closes at .
A. 5:30 p.m.
B. 6:00 p.m.
C. 6:30 a.m.
D. 8:30 a.m.
3. On Wednesday,the zoo is open for .
A. 8 hours
B. 8.5 hours
C. 9 hours
D. 9.5 hours
4. The zoo is in the city called .
A. Xiaohe
B. Binhai
C. Changchun
D. Beibei
5. Beibei is 11 years old, and this Sunday she wants to visit the zoo with her parents.
How much should they pay for the tickets?
A. ￥20.
B. ￥30.
C. ￥40.
D. ￥50.