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
- Having driven his vehicle at 110km/hour on an urban road, Mr. Lin is trying to leave the scene after a rear-end collision but is held back by bystanders. The alcohol concentration in his blood, tested in an alcohol test by the traffic police, is 135.8mg per hundred milliliters. Which of the following law-breaking acts did Mr. Lin commit?
- The sign on the right warns of an abrupt slope section ahead.
- Motor vehicles can turn right when driving into an intersection with this traffic signal.
- The sign on the right warns of a continuous downhill section ahead.
- What should the driver do to ensure the motor vehicle passes the level crossing safely?
- The driver should turn left by the left side of the intersection central point.
- Which one of the following statements is correct in this situation?
- The sign on the right side warns of a sharp right turn ahead.
- When encountering this situation in a residential area the driver should sound the horn continuously.
- How many kinds of law-breaking acts are displayed in flash 5?
- What should motor vehicle drivers do when going straight and passing through the intersection ahead?
- After setting off from a roadside, motor vehicle drivers should watch both sides of the road, turn left and drive into the normal lane slowly.
- Upon encountering this traffic signal, how should a driver react?
- 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?
- Motor vehicle drivers may reverse at an intersection.
- Motor vehicles are not allowed to reverse in a tunnel.