1、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
2、These traffic police signals indicate that passing is prohibited.
A、Right
B、Wrong
Answer：A
3、What should be done by drivers in order to drive safely on the road in this condition?
A、Make a large turn on the left side of the road
B、Make a turn on the central line of the curve
C、Make a small turn on the right side of the road
D、Make a turn by borrowing the opposite lane
Answer：C
4、Which one of the following is the safest way when driving a motor vehicle on this road?
A、Speed up and bypass the obstacle
B、Take the opposite lane and compel the other vehicle to yield
C、Stop and yield to the oncoming vehicle
D、Sound the horn or turn on the headlamp
Answer：C
5、When encountering a road like this, motor vehicle drivers should downshift in advance to maintain the dynamic of the motor vehicle.
A、Right
B、Wrong
Answer：A
6、What action is important on this kind of mountain road?
A、Take care of the dangerous hillside road on the left
B、Drive on the left
C、Drive along the central line of the road
D、Drive on the right side and pass slowly
Answer：D
7、The road marker indicates that vehicles are not allowed to make a U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
8、The sign on the right warns of a danger from rockfall on the left side.
A、Right
B、Wrong
Answer：A
9、It is correct for the driver to drive on an expressway in the way shown in the flash.
A、Right
B、Wrong
Answer：B
10、The sign on the right side indicates that turning left is not permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
11、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
12、When a motor vehicle breaks down on a mountain road, what should the driver do?
A、Park on a downhill section
B、Park on an uphill section
C、Park on a gentle section of the mountain road
D、Park on the crest of a slope
Answer：C
13、As shown in the flash, the actions of the driver are correct.
A、Right
B、Wrong
Answer：B
14、Gun powder, explosives and detonating powder belong to which of the following dangerous chemicals?
A、Oxidizing materials
B、Inflammable solid materials
C、Explosives
D、Self-igniting articles
Answer：C
15、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
16、What should the driver do when seeing these hand signals?
A、Go straight and pass through the intersection
B、Pull over
C、Drive to the waiting area for turning left
D、Turn right at the intersection
Answer：D
17、After a motor vehicle falls into water, the driver won't be able to open the side doors or windows to escape until water nearly fills up the compartment.
A、Right
B、Wrong
Answer：A
18、The driver should drive on the left in this kind of tunnel.
A、Right
B、Wrong
Answer：B
19、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B
20、The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.
A、Right
B、Wrong
Answer：A