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
- What should the driver pay attention to when the motor vehicle on the main road approaches a junction with a feeder road?
- What should the driver do when the motor vehicle encounters this situation in front of a school?
- When encountering this situation in a residential area the driver should sound the horn continuously.
- Under such circumstances, what should be done by a motor vehicle driver in order to yield out of courtesy?
- What is the function of ABS during emergency braking?
- The motor vehicle equipped with ABS may sideslip during an emergency brake.
- What is the intersection ahead indicated by the right sign?
- When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
- Mr. Ye drove a midsize van to Shangwen Road of Beitou Town. When passing a curve at the spot of 3 kilometers mark by 600 meters on the road, the van had a head-on collision at the speed of 40 kilometers per hour with Mr. Wang¡¯s three-wheeled freight motorcycle carrying 19 passengers, killing 10 people and injuring 9. What are the main illegal acts committed by the two drivers?
- What should the driver do if he wants to turn right at this intersection?
- Motor vehicle drivers don¡¯t need to fasten their seatbelt
- Motor vehicles are not allowed to reverse in a tunnel.
- Mr. Ran drove his car from 6am until 11 am without rest, falling down a steep 8.5-meter ridge at one side of a highway 1 km from Xunan Road in Xuahan County, killing 13 people and injuring 9. Which of the following law-breaking acts did Mr Ran commit?
- The driver should yield to other non-motor vehicles when the motor vehicle turns right at this Intersection.
- Which of the following measures is incorrect when a motor vehicle stops?
- How many kinds of law-breaking acts are displayed in flash 3?