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1.汽车先后经过启动、加速、匀速、减速行驶之后停车,若把这一过程中汽车的行驶路程s看作时间t的函数,其图象可能是( )
1. The car is parked after starting, accelerating, even speeding, and decelerating. If the distance traveled by the car in this process is regarded as a function of time t, the image may be ()