1、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
2、The road marker indicates that vehicles are not allowed to make a U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
3、When an erosive material catches fire, it should not be put out with water cannon.
A、Right
B、Wrong
Answer：A
4、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
5、When a motor vehicle passes over an inundated road the driver should change to a low gear and pass at a constant speed.
A、Right
B、Wrong
Answer：A
6、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
7、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
8、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his/her best ability.
A、Right
B、Wrong
Answer：A
9、It is not safe for a female driver to wear high heels to drive a vehicle.
A、Right
B、Wrong
Answer：A
10、What should be done by drivers in order to safely pass through the curve in this condition?
A、Reduce speed and drive o the right side
B、Drive on the central line of the road
C、Drive on the outer side of the curve
D、Drive by borrowing the opposite lane
Answer：A
11、Drivers may turn right at the intersection when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
12、When driving on an expressway, drivers should not frequently change lanes.
A、Right
B、Wrong
Answer：A
13、Under such circumstances, what should motor vehicle drivers do?
A、Pass slowly at a lower speed
B、Speed up and pass
C、Continuously sound the horn and pass
D、Pass at a normal speed
Answer：A
14、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
15、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
16、When parking temporarily in this situation, motor vehicle drivers are allowed to turn the steering wheel right to avoid sliding.
A、Right
B、Wrong
Answer：A
17、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
18、When encountering such pedestrians, motor vehicle drivers may continuously sound the horn to alert them to yield.
A、Right
B、Wrong
Answer：B
19、Mr. He drove his large bus with 53 passengers (permitted carrying capacity 47) to 454 km mark by 100m along the Yining-hefei Expressway in Nanjing jurisdiction, where he was tailgated by a heavy-type semitrailer tractor. The bus left the road, breaking through the guardrail and catching fire. 17 people were killed and 27 injured. Which of the following law-breaking acts did Mr. He commit?
A、Speeding
B、Exceeding the carrying capacity of the motor bus
C、Driving a motor vehicle overdue for annual inspection
D、Improper operation
Answer：B
20、what should motor vehicle drivers do under the circumstances shown in the flash?
A、Reduce speed or stop to yield
B、Sound the horn to warn the pedestrians to yield
C、Pass before the pedestrians
D、Immediately change to another lane to bypass the pedestrians
Answer：A