This is my desk. Two____  are on it. One is my English book, and the other (另一本) is my math book. You can also see (也能看见)____CDs  on the desk. The CDs are ____. My pencil box is on the desk,____. A pen,____  eraser and a ruler ____  in it. The pen is black, the____  is yellow, and the ruler is white.  ____  is my pencil? Aha, it's under the desk. Is my computer game  ____the desk，too? No, it isn't. Where is it? I can't____it in my room.

如图所示为质点做匀变速曲线运动轨迹的示意图，且质点运动到D点时速度方向与加速度方向恰好互相垂直，则质点从A点运动到E点的过程中，下列说法中正确的是（ 　 ）