哲学与具体科学是个别和一般、共性和个性的关系。 [ ]
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It is said that he ________ football in Beijing this afternoon.
A．is about to play
B．is going to play
C．plays
D．playing
如图所示为某物体运动的v-t图象，由图可求得物体在0～10s内的加速度大小为______m/s2，0～60s内物体的位移大小为______m．
