1、When entering an expressway ramp, which of the following statements is correct?
A、Drivers are allowed to overtake other vehicles
B、Drivers are prohibited from making U-turns
C、Drivers are allowed to stop
D、Drivers are allowed to reverse
Answer：B
2、When approaching a vehicle on a narrow slope, which one of the following ways is correct?
A、The descending vehicle yields to the ascending
B、The vehicle which is further from the slope crest should yield
C、The ascending vehicle yields to the descending
D、If the descending vehicle has reached the midpoint while the ascending vehicle has not yet set out, the descending vehicle must yield.
Answer：A
3、When the vehicle engine catches fire, what should the driver do first?
A、Turn off the engine as soon as possible
B、Extinguish the fire with water
C、Open the hood to extinguish the fire
D、Extinguish the fire from the leeward direction
Answer：A
4、The sign on the right warns to keep a safe distance on the road ahead.
A、Right
B、Wrong
Answer：B
5、The sign in front indicates a temporary parking lot on the right side of the highway.
A、Right
B、Wrong
Answer：B
6、The sign on the right indicates that the speed limit of 40km/hour is lifted on the road ahead.
A、Right
B、Wrong
Answer：B
7、The guide arrow on the road surface of this lane indicates that drivers are only permitted to continue straight at the intersection ahead.
A、Right
B、Wrong
Answer：B
8、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
9、The sign on the right indicates a passing bay ahead.
A、Right
B、Wrong
Answer：A
10、When driving on a foggy day, the driver should turn on the fog lamp.
A、Right
B、Wrong
Answer：A
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、Before a motor vehicle enters a tunnel, the driver should adjust the speed in accordance with the indication of the traffic sign at the entrance of the tunnel.
A、Right
B、Wrong
Answer：A
13、Drivers may temporarily cross these central solid double yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
14、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
15、Motor vehicle drivers don't need to use any lamp at night when passing through a road section where the street light condition is good.
A、Right
B、Wrong
Answer：B
16、When the driver discovers a tire is leaking and steers the vehicle off the main driving lane, he/she should refrain from applying emergency braking so as to avoid a vehicle turnover or a rear-end collision arising from the late braking of the vehicle behind.
A、Right
B、Wrong
Answer：A
17、Where is the proper parking place for motor vehicles driving on an expressway?
A、On the expressway ramp
B、In the acceleration lane
C、In the deceleration lane
D、In a service area
Answer：D
18、The sign on the right indicates a bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
19、Mr Li drove a large bus with 21 passengers( capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour(speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What's the main illegal act committed by Mr Li?
A、Speeding
B、Fatigued drivin
C、Carrying more passengers than permitted
D、Driving a motor vehicle with potential safety hazard
Answer：AD
20、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C