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
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
- When encountering this situation in a residential area, the driver should follow them closely.
- When encountering this situation in a residential area the driver should sound the horn continuously.
- The driver should turn left by the left side of the intersection central point.
- Which one of the following ways to pass this intersection is correct?
- When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
- How many kinds of law-breaking acts are displayed in flash 2?
- The driver may not yield when the motor vehicle encounters this situation at the intersection.
- What should the driver pay attention to in this situation?
- Which one of the following is the safest way when driving a motor vehicle on this road?
- When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.
- What should the driver do when he sees this sign on the road?
- What should the driver do when the motor vehicle encounters this situation in a residential area?
- Mr. Hao drove a heavy dump truck with 84.84 tons of cargo (truck allowing for 15.58 tons). When he drove on the No 262 provincial highway in Luanxian County, at the spot of 34 kilometers mark by 623 meters, his truck overturned onto the sideway after a rear-end collision with another truck in front carrying 45.85 tons of cargo(a truck allowing for 1.71 tons). As a result of this accident, 19 people were killed and 17 injured. What is the common illegal act of the two drivers?
- When driving in a residential area, the driver should not exceed the speed indicated by the speed limit sign.
- How many kinds of law-breaking acts are displayed in flash 4?
- Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.