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252. When an emergency vehicle is coming up behind you as you enter an expressway, which of the following is the most appropriate response?
- Enter the roadside of the acceleration lane and drive at an increased speed.
- Accelerate and change lanes immediately after entering the expressway so that the emergency vehicle can pass by.
- Stop temporarily on the roadside and enter the expressway after the emergency vehicle.
- Proceed at the same speed because stopping or driving slowly on an expressway is dangerous.
Answer : 3