如图所示，曲线AB为一质点的运动轨迹，某人在曲线上P点做出质点在经过该处时其受力的8个可能方向，正确的是  (      )

A．8个方向都可能

B．只有方向1、2、3、4、5可能

C．只有方向2、3、4可能

D．只有方向1、3可能

There was a big sea bird that was very beautiful. One day, the sea bird (1) to a country and stayed outside of a palace. The Emperor asked his men to bring it to the palace. Then he said," As a (2) for the sea bird, we’ll set up the band and get the best food and wine ready for it. "(3) they played the best music for the sea bird, but it looked (4) . The Emperor introduced the most delicious food and best wine and asked the bird to have them. But the sea bird (5) After three days without eating or drinking, the sea bird (6)  .The Emperor said (7) , "Why didn’t you eat I gave you all of the (8) !"The story tells us that what some people believe to be the best music and the best food aren’t so for (9) . Feed a bird according to a bird’s wants, not a person’s. The (10) "Do to others as you would have others do to you. " is never really suitable or right.

第（1）空应选择（）

A．ran

B．walked

C．flew

D．moved