21. One day, Mr. Yang drove a large bus with 57 passengers (bus capacity 55 people) from 7 pm to 1 am the following morning. At the spot of 3008 kilometers mark by 110 meters on the No. 050 National Road in Jin Chengjiang District, the bus had a malignant traffic accident caused by front left tire burst, killing 12 people and injuring 22. What is the main illegal act committed by Mr. Yang?
A. Fatigued driving
B. Carrying more passengers than permitted
C. Speeding
D. Misoperation
Answer：AB
2025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 2025 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
- Under such circumstances, what should be done by the motor vehicle driver who has been overtaken?
- As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
- Mr. Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo (capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li¡¯s heavy dump truck (carrying 3.17 cubes of loess and 24 passengers in the container) occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured. What are the main illegal acts in this case?
- When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
- How should lamps be used by the motor vehicle driver who follows a vehicle on a road section where the street light condition is good?
- Mr. Wu drove a large bus with 33 passengers (capacity 22 people). At the spot of 7 kilometers mark by 300 meters on the No 163 County Road, the bus lost control and fell into a ravine. As a result of the accident, 10 people were killed and 21 injured. In accordance with the alcohol test after the accident the blood alcohol content of Mr. Wu was 26 milligram per milliliter. What is the main illegal act committed by Mr. Wu?
- If the road condition behind is good, motor vehicle drivers should reverse rapidly.
- How should motor vehicle drivers make a U-turn at the intersection ahead?
- When a motor vehicle temporarily stops in fog, which lamp should be turned on?
- After setting off from the roadside, motor vehicle drivers should speed up as soon as possible and make a sharp left-turn in order to drive into the normal lane.
- Which one of the following ways to pass this intersection is correct?
- Motor vehicles should stop and wait when encountering two red lights flashing alternately at level crossings.
- Motor vehicles should accelerate when driving into an intersection with this traffic signal.
- What should the driver do if he wants to turn right at this intersection?
- Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.
- What should motor vehicle drivers do under the circumstance shown in the flash?