146. What is the most frequent problem for driving on a muddy road?

A. High resistance force

B. Sideways slide

C. The motor vehicle bumps

D. Steering failure

Answer：B

Previous question: 145. When two vehicles approach each other on a foggy day, what is the best method of safe driving?

Next question: 147. When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?

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

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.
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 following other vehicles on the uphill section of a mountain road, what should the driver do if the vehicle in front stops?
How will the adhesive force of road change when speed increases on a damp and slippery road?
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 putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
When rescuing the injured, it is necessary to ________.
What is the meaning of this sign?
What is the meaning of this sign?
When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.
When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
What is the meaning of this sign?
When there is bleeding at the bone fracture of a wounded person, the first thing to do is to keep it in position before stopping the bleeding and dress the wound.
When driving in thick or extremely thick fog, what should the driver do due to the low visibility in such weather?
What is the meaning of this sign?