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
- Motor vehicles are not allowed to stop in this area for a long time.
- Which one of following ways is the safest when driving a motor vehicle on this road?
- What is the meaning of the sign on the right?
- Under such circumstances, what should be done by the motor vehicle driver who has been overtaken?
- What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
- At 3: 40 a.m. one day, Mr. Sun drove a large bus with 54 passengers(capacity 55 people). At the spot of 229 kilometers mark by 300 meters on Suiyue Expressway, the bus had a rear-end collision with a heavy semi-trailer driven by Mr. Li when passengers were getting off from the bus. As a result of the accident, 26 people were killed and 29 injured. According to the investigation afterwards, Mr. Li had been driving the bus since he left the place of departure at 6 p.m. the day before without any rest. What are the main illegal acts of the two drivers?
- How many kinds of law-breaking acts are displayed in flash 2?
- What does this sign on the fly-over junction indicate?
- When encountering this situation in a residential area the driver should sound the horn continuously.
- Motor vehicle drivers may borrow a special lane for other vehicle types, if one exists, to overtake.
- Which lamp should be used when motor vehicles pass through an intersection at night where there is no traffic light signal?
- Mr. Zhao (with an A2 driving license) drove a large sleeper coach on the No. 219 National Road in Yecheng County. When passing a curve at the spot of 226 kilometers mark by 215 meters on the road, the coach fell into the ravine on one side, killing16 people and injuring 26. What is the main illegal act committed by Mr. Zhao?
- Before setting off, it is necessary to check the driving cabin, engine cabin, external and tires of the motor vehicle.
- When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
- Under such circumstances, what should be done by the motor vehicle driver?
- 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.