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
- Which of the following measures is incorrect when a motor vehicle stops?
- When encountering this situation at the gate of a school, the driver should prepare to stop.
- Mr. Tao drove a midsize bus with 33 passengers. At the spot of 163 kilometers on the South Xuping Expressway, the bus clashed at a speed of 120 kilometers per hour with Mr. Ans minibus parked without any warning signs on the inside lane, due to breakdown after an accident. The midsize bus overturned after collided with the guardrail on the right-hand side. As a result of the accident, 16 people were killed and 15 injured. What are the main illegal acts of the two drivers?
- The driver should yield to other non-motor vehicles when the motor vehicle turns right at this Intersection.
- Motor vehicles should stop and wait when encountering two red lights flashing alternately at level crossings.
- What should the driver do if he encounters this situation at the intersection when driving straight?
- 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?
- Which one of the following vehicle types is not allowed to pass, as indicated by the right-hand sign?
- Mr. Tong drove a large bus (capacity 55 people and carrying 54) to Taiyuan City. When he drove on a muddy road at the speed of 45 kilometers per hour, the bus skidded into a deep ditch, killing 14 people dead and badly injuring 40 What is the main illegal act committed by Mr. Tong?
- How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
- Which one of the following statements is correct in this situation?
- When encountering this situation in a residential area the driver should sound the horn continuously.
- Under such circumstances, the motor vehicle is allowed to overtake.
- When approaching the turning point of a road, in which of the following ways will motor vehicle drivers easily cause a traffic accident?
- Mr. Zou drove a large sleeper coach (capacity 35 people and carrying 47 passengers). At the spot of 938 kilometers of the Jinggang ao Expressway, large amounts of dangerous chemicals in the coach blew up, killing 41 people and injuring 6. What are the main illegal acts in this case?
- The sign on the right side warns of a sharp right turn ahead.