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例１按我国交通管理部门最近规定，坐在小汽车前排的司机和乘客都应在胸前系上安全带，这主要是为了减轻下列哪种情况出现时可能对人造成的伤害（）Ａ．车速太快；Ｂ．车速太慢；Ｃ．紧急刹车；Ｄ．突然起动．解析小汽车行驶的速度较快，当紧急刹车时，前排司机和乘客由于惯性
Example 1 According to the recent regulations of China’s traffic management department, drivers and passengers sitting in the front row of cars should wear seat belts in front of their chests. This is mainly to relieve the following situations of possible harm to people when they occur. . The speed is too fast; B. The speed is too slow; C. Emergency brake; D. Suddenly start. Analyze the speed at which the car travels faster. When the emergency brakes are applied, the front row drivers and passengers experience inertia.