________ points down on a map.[ ]
A. North
B. South
C. East
D. West
答案：B
—The pizza____ by my mum just now. Would you like to have some?
—Yes ,please. [ ]
A. was made
B. made
C. is made
D. makes
下列四个图中都有两条图线，分别表示一种直线运动过程的加速度和速度随时间变化的图象，其中可能正确的是 [ ]
A．
B．
C．
D．
