1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、In which of the following ways can motor vehicles avoid a tire burst?
A、Lowering tire pressure
B、Checking tires regularly
C、Removing foreign matters from the tire tread grooves timely
D、Replacing the tires that have cracks or deep cuts
Answer：BCD
3、What should a driver do when the engine stalls suddenly on the road?
A、Apply emergency braking to stop the vehicle
B、Slow down and stop the vehicle
C、Change to neutral gear and coast
D、Shut down the ignition switch
Answer：B
4、When encountering such a situation, the motor vehicle driver should change to the left lane rapidly.
A、Right
B、Wrong
Answer：B
5、When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.
A、Right
B、Wrong
Answer：A
6、On which of the following roads may the wheels be most easily locked when braking?
A、Concrete road
B、Dirt road
C、Road covered by ice and snow
D、Sand road
Answer：C
7、The sign on the right indicates that overtaking is allowed on the section ahead.
A、Right
B、Wrong
Answer：B
8、Mr. Zhou drove a light van (with 22 passengers) on the Bingcha Highway. At the spot of 79 kilometers mark by 150 meters of the highway, the van fell into the valley on one side, killing 12 people and injuring 10. What's the main illegal act committed by Mr.Zhou?
A、Driving a motor vehicle having failed to accept inspection in time
B、Carrying passengers on a freight motor vehicle
C、Speeding
D、Fatigued driving
Answer：B
9、The driver should turn left by the left side of the intersection central point.
A、Right
B、Wrong
Answer：A
10、When this signal is constantly flashing, how should a driver react?
A、Speed up as soon as possible
B、Pull over and wait
C、Observe the traffic situation around to make sure of safe driving
D、Refrain from passing
Answer：C
11、The sign on the right warns of a widened right-hand road ahead.
A、Right
B、Wrong
Answer：B
12、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
13、When the speed indicated by the speed limit sign on the highway contradicts the speed indicated for the specific lanes the speed indicated for the specific lanes should prevail.
A、Right
B、Wrong
Answer：B
14、When encountering this situation in a residential area the driver should speed up and pass in front of the bicycle.
A、Right
B、Wrong
Answer：B
15、When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
A、Dress the wounds with a handkerchief
B、Dress the wounds with a towe
C、Dress the wounds with cotton clothes
D、Dress the wounds with string
Answer：D
16、When passing a sharp curve, motor vehicle drivers may overtake if there are few other vehicles on the road.
A、Right
B、Wrong
Answer：B
17、When driving on a road covered with ice and snow, drivers tend to encounter glare caused by reflection of light rays from the road surface.
A、Right
B、Wrong
Answer：A
18、How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A、Turn on the hazard lamps
B、Turn on the high-beam
C、Turn on the fog lamp
D、Turn on the low-beam
Answer：D
19、The driver may turn right directly at this intersection.
A、Right
B、Wrong
Answer：B
20、The driver may not yield when the motor vehicle encounters this situation at the intersection.
A、Right
B、Wrong
Answer：B