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- Don’t ride a bicycle which is not the right size for you. 2.- Check a bicycle before using it and make sure that the brakes ( 刹车 ) and steering-wheel (方向盘) work properly and the tyres (轮胎) have enough air in them. 3- When riding a bicycle, always use a cycling track (倾斜道) at the side of the road when there is one. 4.- Don’t ride too fast, especially when going down hills and turning corner. 5.- Control the speed of your bicycle with your brakes, but always use them gently. 6.- When in a group, always ride in a single file (队列) . 7.- Always keep to the side of the road, do not ride in the middle of the road or weave back and forth (来回地) on the road.