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1. most vehicles have self cancelling signals
2. it is illegal to turn off your signal before completing a turn
3. you need both hands on the wheel to turn safely - 正确答案
4. All these answers are true

转弯时，你应该连续发出信号，因为你需要双手握住方向盘才能安全转弯

1. steering
2. exhaust - 正确答案
3. horn
4. suspension

冬季天气检查期间应格外注意排气系统

1. All these answers are true
2. brake fade is not caused by heat
3. the heavier vehicle is or faster it is moving, the more heat the brakes have to absorb - 正确答案
4. brake responding is very quickly when the vehicle is moving very fast

车辆越重或行驶速度越快，刹车系统要吸收的热量就越多

1. None of these
2. headlights, brake lights and clearance lights
3. turn signals, brake lights and four way flashes - 正确答案
4. turn signals, taillights, and clearance lights

转向信号灯，刹车灯和紧急四向闪烁灯无法同时检查

1. All these answers are correct
2. If a tire is too hot to touch, You should drive on it to cool it off
3. A small amount of air could be let out air pressure remains stable
4. You should check the pressure before driving - 正确答案

在炎热的天气驾驶之前，应先检查轮胎的气压。