133. When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?

A. Warn each other before passing

B. Driving habit

C. Easy to observe the situation ahead from either side

D. Courtesy

Answer：C

Previous question: 132. Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?

Next question: 134. How to ensure safe driving at night?

2026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 2026 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

The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
When using splints, sticks or tree branches to keep the unexposed bones in position, it is necessary that these things should exceed the upper and lower joints of the wound.
When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
What is the meaning of this sign?
Which of the following is a bad habit when changing lanes?
When following other vehicles on the uphill section of a mountain road, what should the driver do if the vehicle in front stops?
What is the meaning of this sign?
When a wounded person is under the wheel or cargo, the wrong method is to pull the limbs of the wounded.
What is the meaning of this sign?
When rescuers enter the scene to rescue the wounded after harmful gas leakage caused by traffic accidents, they must wear air respirators or cover their mouth and nose with wet towels.
What is the meaning of this sign?
What is the meaning of this sign?
How to ensure safe driving at night?
What is the meaning of this sign?
What is the meaning of this sign?
When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.