1、The sign on the right indicates that vehicles from the primary road have priority.
A、Right
B、Wrong
Answer：A
2、What should a driver do before entering a tunnel on an expressway
A、Turn on the high-beam
B、Turn on the width lamp and the tail lamp
C、Turn on the low-beam
D、Sound the horn before entering the tunnel
Answer：C
3、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
4、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?
A、Speeding
B、Driving not in accordance with traffic markings
C、Exceeding carrying capacity
D、Fatigued driving
Answer：A
5、As shown in the flash, the motor vehicle chooses a correct way to pass through the level crossing.
A、Right
B、Wrong
Answer：A
6、When fixing the unexposed bones in position, it is necessary to exceed the upper and lower joints of the wounded body part.
A、Right
B、Wrong
Answer：A
7、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
8、It is correct for the driver to drive on an expressway in the way shown in the flash.
A、Right
B、Wrong
Answer：B
9、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
10、Motor vehicle drivers are allowed to overtake as long as there are no oncoming vehicles.
A、Right
B、Wrong
Answer：B
11、The sign on the right indicates a left-turn bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
12、The sign in front indicates a one-way lane after turning left.
A、Right
B、Wrong
Answer：A
13、When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.
A、Right
B、Wrong
Answer：A
14、Mr. Qi drove a large bus with 28 passengers(capacit 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?
A、The bus carried more passengers than capacity
B、The bus exceeded the speed limit
C、The tractor carried more cargo than capacity
D、The driver of the tractor was inexperienced
Answer：BC
15、Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A、Right
B、Wrong
Answer：A
16、When making a turn on a mountainous road, drivers should cut speed, sound the horn and drive along the right side.
A、Right
B、Wrong
Answer：A
17、Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.
A、Right
B、Wrong
Answer：B
18、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
19、Which one of the following statements is the safest measure for a motor vehicle driver to take on this kind of road?
A、Accelerate to overtake the vehicle in front as soon as possible
B、Sound the horn to warn the vehicle in front to vield
C、Follow the vehicle in front and keep a certain distance
D、Overtake the vehicle in front from its righthand
Answer：C
20、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD