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123. Which of the following is a bad habit when changing lanes?
A. Turning on the indicator in advance
B. Observing closely before changing a lane
C. Change lanes at will
D. Not obstructing the passing of other normally moving vehicles
Answer：C
Previous question: 122. When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
Next question: 124. What influence does smoking have upon driving?
2025年摩托车科目四英文版题库共345题，你可以免费查看前50题，完整版题库请添加微信购买：
The English version of the 2025 motorcycle subject 4 question bank has a total of 345 questions. You can view the top 50 questions for free. Please add WeChat to purchase the complete version of the question bank.
科目四试题
- When a wounded person is unable to get off the vehicle by himself, he should be removed from the vehicle so as to avoid a secondary injury.
- When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
- What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
- When rescuing a wounded person in an emergency, it is necessary to firstly stop the bleeding by compression before other methods are taken according to the conditions of bleeding.
- What is the meaning of this sign?
- How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
- How to ensure safe driving at night?
- What is the meaning of this sign?
- How will the adhesive force of road change when speed increases on a damp and slippery road?
- When a wounded person suffering bone fracture in the thigh, shank and spine, it is necessary to keep the fracture in position and refrain to move the wounded person.
- When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?