121. How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A. Turn on the hazard lamps
B. Turn on the high-beam
C. Turn on the fog lamp
D. Turn on the low-beam
Answer：D
Previous question: 120. 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?
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
- At 13: 10 pm, Mr. Luo set out in his medium bus from 0 km mark on the highway, and by 14: 10 had passed the 125km mark by 200 meters, he caused a rear-end collision with a motor vehicle that ran into the side slope on the southwest side, killing 11 people and injuring 2. Which of the following law-breaking acts did Mr. Luo commit?
- Motor vehicles are not permitted to change lanes in this position.
- The sign on the right warns of an abrupt slope section ahead.
- Under such circumstances, what should be done by a motor vehicle driver in order to yield out of courtesy?
- When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
- Mr. Tang drove a large bus with 74 passengers (capacity 30 people). When descending a long curving slope at a speed of 38 kilometers per hour, the bus overturned to a brook beside the road. As a result of the accident, 17 people were killed and 57 people injured. What is the main illegal act committed by Mr. Tang?
- When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
- Under such circumstances, the motor vehicle driver should voluntarily reduce speed and let the vehicle behind overtake.
- 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. He drove his large bus with 53 passengers (permitted carrying capacity 47) to 454 km mark by 100m along the Yining-hefei Expressway in Nanjing jurisdiction, where he was tailgated by a heavy-type semitrailer tractor. The bus left the road, breaking through the guardrail and catching fire. 17 people were killed and 27 injured. Which of the following law-breaking acts did Mr. He commit?
- Motor vehicle drivers may reverse at an intersection.
- Under such circumstances, what should be done by motor vehicle drivers in order to maintain safe driving?
- When a motor vehicle stops in snow, which lamp should be turned on?
- How should motor vehicle drivers make a U-turn at the intersection ahead?
- In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
- 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?