1、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
2、A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A、Right
B、Wrong
Answer：B
3、The sign on the right warns of an unguarded railway intersection ahead.
A、Right
B、Wrong
Answer：B
4、If a driver finds there is no vehicle behind, he/she may change lanes without turning on the indicator.
A、Right
B、Wrong
Answer：B
5、A driver should speed up when passing through road sections with this traffic marking.
A、Right
B、Wrong
Answer：B
6、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
7、The motor vehicle should slow down and pass slowly in this situation.
A、Right
B、Wrong
Answer：A
8、One day, Mr. Yang drove a large bus with 57 passengers(bus capacity 55 people)from 7 pm to 1 am the following morning. At the spot of 3008 kilometers mark by 110 meters on the No. 050 National Road in Jin Chengjiang District, the bus had a malignant traffic accident caused by front left tire burst, killing12 people and injuring 22. What's the main illegal act committed by Mr Yang?
A、Fatigued driving
B、Carrying more passengers than permitted
C、Speeding
D、Misoperation
Answer：AB
9、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
10、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fastas possible.
A、Right
B、Wrong
Answer：B
11、When approaching another vehicle at night, why should the driver alternate between high-and-low-beam at a distance more than 150 meters?
A、Warn each other before passing
B、Driving habit
C、Easy to observe the situation ahead from either side
D、Courtesy
Answer：C
12、When driving on a muddy road, what should drivers do if the wheels spin and slide?
A、Cover the ground under the wheels with gravels
B、Change to a high gear and speed out
C、Cover the ground under the driving wheels with gravels
D、Violently turn the steering wheel and suddenly leed up
Answer：C
13、When there is a braking failure on a downhill road, if there is no favorable terrain or opportunity to stop the vehicle, the driver should drop gear by one position or two positions, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
14、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B
15、When a motor vehicle moves through water, the driver should try to maintain a constant speed and sufficient power and pass through without stopping.
A、Right
B、Wrong
Answer：A
16、Before making a U-turn at the intersection ahead, motor vehicle drivers should drive to the lane for turning left and going straight.
A、Right
B、Wrong
Answer：B
17、Mr. Shi drove a low-speed cargo vehicle (capacity 1.2 tons)with 4.05 tons of cargo. At the spot of 51 kilometers mark by 260 meters on the No. 314 County Road in Ningjin County, the cargo vehicle had a head-on collision with a normally running midsize bus( capacity 11 people and carrying12) from the opposite direction after passing the central line of the road and overtaking the front vehicle in the same direction. As a result of this accident, 10 people were killed and 2 injured. What are the illegal acts in this case?
A、The cargo vehicle carried more cargo than capacity
B、The cargo vehicle illegally overtook other vehicles
C、The bus carried more passengers than capacit
D、The driver of the bus kept driving when tired
Answer：ABC
18、The driver should drive on the left in this kind of tunnel.
A、Right
B、Wrong
Answer：B
19、When driving in thick fog causing poor visibility on the expressway, the driver should apply emergency braking to stop at once.
A、Right
B、Wrong
Answer：B
20、The stop-and-yield line at the intersection ahead indicates that vehicle drivers should reduce speed and give the right of way to vehicles on the trunk road.
A、Right
B、Wrong
Answer：B