1、It is illegal to change lanes without turning on indicators.
A、Right
B、Wrong
Answer：A
2、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
3、When driving on a foggy day, the driver should turn on the fog lamp.
A、Right
B、Wrong
Answer：A
4、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A、Right
B、Wrong
Answer：B
5、Two parallel broken double-yellow lines indicate the position of a diversion lane.
A、Right
B、Wrong
Answer：A
6、The sign in front indicates a one-kilometer distance from the highway entry.
A、Right
B、Wrong
Answer：A
7、The sign on the right indicates a passing bay ahead.
A、Right
B、Wrong
Answer：A
8、The diamond-shaped sign on the road indicates a crosswalk on the road ahead.
A、Right
B、Wrong
Answer：A
9、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
10、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
11、Which one of the following is a safe way for motor vehicles to converge into an intersection marked with this sign?
A、Speeding up and driving into the traffic flow directly
B、Driving into the traffic flow behind the gray car on the main road
C、Driving into the traffic flow from the front of the red car on the main road
D、Turning on the indicator and driving into the flow directly
Answer：B
12、When a motor vehicle slides sideways on a road covered by ice and snow, the driver should violently turn the steering wheel to adjust the direction.
A、Right
B、Wrong
Answer：B
13、After entering the acceleration lane of an expressway, the driver should increase the speed to how many kilometers per hour?
A、More than 30 km/hour
B、More than 40 km/hour
C、More than 50 km/hour
D、More than 60 km/hour
Answer：D
14、As shown in this picture, the intersection guide line is designed to help drivers make turns.
A、Right
B、Wrong
Answer：A
15、What needs attention when a motor vehicle drives on a road covered with ice and snow?
A、Braking length is extended
B、Anti-skating resistance will be greater
C、The adhesive force of the road will be greater
D、The braking length will be shorter
Answer：A
16、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his/her best ability.
A、Right
B、Wrong
Answer：A
17、When overtaking on a rainy day, drivers should turn on headlamps and sound a long horn.
A、Right
B、Wrong
Answer：B
18、What should the driver do when the motor vehicle encounters this situation in front of a school?
A、Bypass before the queue
B、Slow down and pass slowl
C、Stop promptly and yield
D、Go through in the spaces between the queues
Answer：C
19、Under such circumstances, the motor vehicle is allowed to overtake.
A、Right
B、Wrong
Answer：B
20、The motor vehicle may promptly overtake the vehicle in front from the left side in this situation.
A、Right
B、Wrong
Answer：B