纽约州，加州以及其它州商业车驾照基本理论模拟题复习
美国大部分州的商业车驾照考试为英文，我们已将搜索到的试卷答案注释中文以便您更好的复习。所有的信息来自于官方网站和网络，在发布时尽可能保证准确，但可能会发生变化，请按照当地官方DMV网站为准。欢迎联系我们给予建议和分享更多考题
基本理论模拟考试排行榜
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In a mountain driving, you should go slow for safety. Which of these is more important?
- tire tread type
- depth of tread
- weight of the vehicle - 正确答案
- color of tires
在高山驾驶中，为了安全起见，应缓慢行进。 车辆的重量是更应该注意的
Medicine used to treat common cold:
- often makes you sleepy and should not be used while driving - 正确答案
- may still be used while driving if you use half of regular dose
- should only used while driving at daytime
- should only used while driving at nighttime
用于治疗普通感冒的药物通常会使您昏昏欲睡，驾驶时不应使用
You should lightly apply your brakes to flash the brake lights if:
- you are about to exit the road and need to slow down - 正确答案
- a driver tailgates your vehicle
- show off you newly installed brake lights
- a police is approaching you from other direction
如果您要下出口，则应轻踩刹车以使刹车灯闪烁，提醒后方的车辆你需要减速
Should brake adjustments be checked often?
- All these answers are true
- Yes, because the brakes can go out of adjustment when they are used a lot. - 正确答案
- It depends on how new brakes are
- No because the other brakes will make up for the air brakes when they are out of adjustment
是的，因为经常使用它们会失去调节。
When the hydraulic brakes fail while you are driving, the system will not build up pressure and the brake pedal will feel spongy or go to the floor. What should you do?
- Pump the brake pedal to generate pressure - 正确答案
- Keep driving and hoping that it will come back up
- Push down the brake pedal as hard as you can
- Put the vehicle in neutral and set the parking brake
当你在驾驶过程中遇到液压刹车系统发生故障，刹车系统不再积聚压力，并且刹车板踩上去会感到软绵绵或掉落在地板上。 这时你应该反复的踩放刹车板以促使刹车系统产生压力。
