1、When a gas tanker is leaking heavily, which of the following measures is wrong?
A、Cut off the power
B、Wear gas mask and protect gloves
C、Turn off the valve to stop leaking
D、Evacuate people to the leeward side
Answer：D
2、The distance-ascertaining section of an expressway is used for the drivers to ascertain the safety distance when the speed is 100 kilometers per hour.
A、Right
B、Wrong
Answer：A
3、The guide arrow on the road surface of this lane indicates that only right turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：B
4、At this intersection, motor vehicle drivers may directly make a U-turn along the U-turn turning lane.
A、Right
B、Wrong
Answer：B
5、The sign on the left indicates U-turn is allowed here.
A、Right
B、Wrong
Answer：A
6、The sign on the right warns of children on the section ahead.
A、Right
B、Wrong
Answer：B
7、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
8、When a motor vehicle passes over an inundated road what should the driver do?
A、Stop and look at the situation
B、Make sure it's safe and pass over at a low speed
C、Intermittently and gently depress the brake pedal then wading across the water
D、Continuously but gently depress the brake pedal then wading across the water
Answer：ABC
9、The sign in front indicates the name and number of the highway.
A、Right
B、Wrong
Answer：A
10、For a temporary stop on a foggy day, the driver should only turn on the fog lamp and the low-beam
A、Right
B、Wrong
Answer：B
11、What's the most frequent problem for driving on a muddy road?
A、High resistance force
B、Sideways slide
C、The motor vehicle bumps
D、Steering failure
Answer：B
12、When encountering such pedestrians while driving, a longer safety distance should be kept by drivers.
A、Right
B、Wrong
Answer：A
13、The sign in front indicates a temporary parking lot on the right side of the highway.
A、Right
B、Wrong
Answer：B
14、Drivers may turn left when traffic police give these hand signals.
A、Right
B、Wrong
Answer：A
15、The sign on the right indicates that overtaking is allowed on the section ahead.
A、Right
B、Wrong
Answer：B
16、It is safest for a motor vehicle driver to overtake the vehicle in front from its righthand on this kind of road.
A、Right
B、Wrong
Answer：B
17、The cross-hatched marking indicates an area where vehicle drivers are not allowed to stop.
A、Right
B、Wrong
Answer：A
18、Which one of the following measures is correct when a motor vehicle encounters this situation at night?
A、Keep driving at a normal speed
B、Drive at an increased speed to avoid light
C、Cut speed or stop to yield
D、Turn on high-beam to reject
Answer：C
19、How to run when encountering this situation at the intersection?
A、stop and wait
B、obey the traffic lights
C、run straight on the right side
D、may turn right
Answer：A
20、The sign on the left indicates that drivers should stop to take a pass card at the toll station ahead.
A、Right
B、Wrong
Answer：A