1、When passing another vehicle on a foggy day, what should drivers do?
A、Slow down and pass slowly
B、Maintain a safety distance
C、Properly use lamps
D、Drive at a high speed
Answer：ABC
2、When seeing this sign, the driver should slow down promptly.
A、Right
B、Wrong
Answer：A
3、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
4、When parking for a long time on an upward slope due to breakdown on the road, drivers should use this method to stop up wheels.
A、Right
B、Wrong
Answer：B
5、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
6、The sign on the right warns of an uneven road ahead.
A、Right
B、Wrong
Answer：A
7、The sign on the right warns of three or more winding roads ahead.
A、Right
B、Wrong
Answer：B
8、The sign on the right side warns of crosswind on the mountain pass ahead.
A、Right
B、Wrong
Answer：A
9、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns of an unguarded railway crossing 150 meters ahead.
A、Right
B、Wrong
Answer：A
11、What should motor vehicle drivers do when parking temporarily on a rainy day?
A、Turn on hazard lamp
B、Turn on front and back fog lamp
C、Turn on low-beam
D、Set up warning sign at the back of the vehicle
Answer：A
12、How should lamps be used when setting off in this situation?
A、Turn on the high-beam
B、Turn on the left indicator only
C、Turn on the left indicator and low-beam
D、Turn on hazard lamp
Answer：C
13、On a mountain road, what should the driver do in this situation?
A、Drive on the left and speed up to bypass
B、Stop to observe and pass slowly
C、Observe closely and pass as soon as possible
D、Sound the horn several times and pass slowly
Answer：C
14、Motor vehicle drivers may reverse at an intersection.
A、Right
B、Wrong
Answer：B
15、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
16、The sign in front indicates the name and number of the highway.
A、Right
B、Wrong
Answer：A
17、It is an illegal act for the driver to make calls while driving.
A、Right
B、Wrong
Answer：A
18、What should be done to keep safe when a motor vehicle driver is overtaking in this condition?
A、Reducing speed and keeping a safe distance
B、Continuously sounding the horn to indicate the vehicle in front
C、Accelerating to pass while keeping a certain distance
D、Overtaking by occupying the opposite lane
Answer：A
19、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
20、The sign on the right warns of a dangerous mountainside road ahead.
A、Right
B、Wrong
Answer：A