151. What should the driver do to ensure the motor vehicle passes the level crossing safely?
A. Change to neutral gear and slide over
B. Switch to low gear after entering the level crossing
C. Decelerate and lower the gear before entering the level crossing
D. Stop and observe inside the level crossing
Answer：C
Previous question: 150. What should the driver do when the motor vehicle passes the level crossing?
Next question: 152. As shown in the flash, the motor vehicle chooses a correct way to pass through the level crossing.
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
- 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?
- Under such circumstances, the motor vehicle driver should voluntarily reduce speed and let the vehicle behind overtake.
- How many kinds of law-breaking acts are displayed in flash 6?
- Mr. Qi drove a large bus with 28 passengers (capacity 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li¡¯s heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
- What should the driver do in case the public bus suddenly pulls out from this bus station?
- 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?
- Which of the following measures is incorrect when a motor vehicle stops?
- The driver may not change lanes when the motor vehicle turns right at this intersection.
- Before driving, it is necessary to check whether the cooling liquid, engine oil and fuel oil, are leaking.
- Under such circumstances, what should be done by the motor vehicle driver?
- Which one of the following is the safest way to pass the oncoming vehicle on this road?
- Motor vehicles are prohibited from turning left in this situation.
- When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
- Mr. Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo (capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li¡¯s heavy dump truck (carrying 3.17 cubes of loess and 24 passengers in the container) occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured. What are the main illegal acts in this case?
- How many kinds of law-breaking acts are displayed in flash 2?
- How many kinds of law-breaking acts are displayed in flash 4?