如图所示，t＝0时，质量为0.5 kg物体从光滑斜面上的A点由静止开始下滑，经过B点后进入水平面(设物体经过B点前后速度大小不变)，最后停在C点．测得每隔2 s的三个时刻物体的瞬时速度记录在表格中，由此可知(重力加速度g＝10 m/s2) ( ) 
| t/s |
0 |
2 |
4 |
6 |
| v/m·s 1 |
0 |
8 |
12 |
8 |
A.物体运动过程中的最大速度为12 m/s
B．t＝3 s的时刻物体恰好经过B点
C．t＝10 s的时刻物体恰好停在C点
D．A、B间的距离大于B、C间的距离
_____do you play basketball ?Three times a week .
A. How long B. How often C. How many
Yesterday we____a pair of runners and a T-shirt for Li Ming .
A. buy B. bought C. is buying
They areTV in the living room.
| A．seeing | B．looking | C．watching | D．reading |
is the weather today? It is rainy.
| A．Who | B．What | C．How | D．When |
当问别人“你喜欢英语吗？”应说：
| A．Do you speak English? |
| B．Do you like English? |
| C．Are you like English? |
| D．Can you speak English? |