38. What is the function of ABS during emergency braking?
A. Shortening the braking distance
B. Keeping steering capacity of the motor vehicle
C. Relief the braking inertia
D. Controlling directions automatically
Answer：B
Previous question: 37. What caused this drivers death in an accident?
Next question: 39. Motor vehicle drivers don¡¯t need to fasten their seatbelt
2026年科目四英文版题库共700题，你可以免费查看前200题，完整版题库请添加微信购买：
The English version of the 2026 subject 4 question bank has a total of 700 questions. You can view the top 200 questions for free. Please add WeChat to purchase the complete version of the question bank.
Subject 4 test questions
- The driver should turn left by the left side of the intersection central point.
- Mr. Zhou drove a light van (with 22 passengers) on the Bingcha Highway. At the spot of 79 kilometers mark by 150 meters of the highway, the van fell into the valley on one side, killing 12 people and injuring 10. What is the main illegal act committed by Mr. Zhou?
- What should motor vehicle drivers do when going straight and passing through the intersection ahead?
- How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
- What should the driver pay attention to when the motor vehicle on the main road approaches a junction with a feeder road?
- When passing an intersection, vehicle motor drivers are not allowed to overtake.
- How should the driver pass this place safely?
- What is the function of ABS during emergency braking?
- When this signal is constantly flashing, how should a driver react?
- If the road condition behind is good, motor vehicle drivers should reverse rapidly.
- When reversing in this condition, in which of the following ways can motor vehicle drivers keep safe?
- Which one of the following ways to pass this intersection is correct?
- Motor vehicles can turn right when driving into an intersection with this traffic signal.
- It is safest for a motor vehicle driver to overtake the vehicle in front from its righthand on this kind of road.
- What should motor vehicle drivers do under the circumstance shown in the flash?
- Mr. Qi drove a large bus with 28 passengers (capacity 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li¡¯s heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?