21. A motorized vehicle driver is not allowed during the period of probation to pull a trailer.
Answer：Y
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2025年科目一英文版题库共973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 1 question bank has a total of 973 questions. You can view the top 200 questions for free. Please add WeChat to purchase the complete version of the question bank.
Subject 1 test questions
- When a vehicle runs on a narrow mountain road, the driver should ______ if the party close to the mountain mass refuses to yield.
- Using the high and low beam lights alternately while driving on the road of this kind of sharp curve.
- When a vehicle passes a bumped road, the driver should ________.
- You have the priviledged passing right of way at the intersection in this situation.
- How often should a driver who is more than 60 years old present the certificate of physical conditions?
- When driving a motorized vehicle uphill, you should speed up and honk when you going to reach the top of the slope.
- The main impact of muddy roads on safe driving is _________.
- When the green light at a congested intersection is on, the vehicles _______.
- When a vehicle reaches a sharp curve, the driver should _______.
- When overtaking a vehicle stopping on the right side, the driver should ________ in case that vehicle starts up suddenly or opens the door.
- When a vehicle on the main road approaches a conjunction with a feeder road, the driver should ______ in order to prevent a collision with a vehicle that suddenly enters from the feeder road.
- It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
- Emergency braking on a road covered by ice and snow can easily cause side skidding. The driver should use the engine braking to reduce speed.
- When the green arrow for a lane is on and there are still pedestrians in the crosswalk before the vehicle, the driver should ___________.
- When driving a vehicle through an inundated road with non-motorized vehicles on both sides, the driver should _________.
- Driving a motorized vehicle on the road in this condition, the maximum speed can not exceed 50 kilometers per hour.