1、Drivers may go straight and pass through when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
2、When driving on a muddy road, the driver should hold the steering wheel firmly and speed up to pass through.
A、Right
B、Wrong
Answer：B
3、The crosswalk of the intersection warns that pedestrians have priority.
A、Right
B、Wrong
Answer：A
4、Motor vehicles should accelerate when driving into an intersection with this traffic signal.
A、Right
B、Wrong
Answer：B
5、When a wounded person suffering burns is thirsty he/she may drink a small quantity of lightly salty water.
A、Right
B、Wrong
Answer：A
6、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
7、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
8、Motor vehicles are prohibited from turning left in this situation.
A、Right
B、Wrong
Answer：A
9、The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.
A、Right
B、Wrong
Answer：A
10、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
11、When a motor vehicle stops in snow, which lamp should be turned on?
A、Front and rear fog lamps, clearance lamp and rear position lamp
B、Reverse lamp, clearance lamp and rear position lamp
C、Headlamp, clearance lamp and rear position lamp
D、Hazard lamps, clearance lamp and rear position lamp
Answer：D
12、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
13、When a motor vehicle accidentally hits the guardrail of a highway, an effective protective measure is to turn dramatically in the opposite direction.
A、Right
B、Wrong
Answer：B
14、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
15、The sign on the right indicates a bypass flow intersection ahead.
A、Right
B、Wrong
Answer：B
16、Drivers may temporarily cross these central broken and solid yellow lines when overtaking.
A、Right
B、Wrong
Answer：A
17、When a motor vehicle breaks down and cannot be moved away from the emergency lane or the road shoulder, the driver and all passengers should get off the vehicle and wait on the road side instead of leaving the expressway.
A、Right
B、Wrong
Answer：B
18、When a motor vehicle temporarily stops in fog, which lamp should be turned on?
A、Hazard lamp, clearance lamp and rear position lamp
B、Left-turn indicator, clearance lamp and rear position amp
C、Headlamp, clearance lamp and rear position lamp
D、Reverse lamp, clearance lamp and rear position lamp
Answer：A
19、The sign in front indicates a 4-kilometer distance from the next exit.
A、Right
B、Wrong
Answer：A
20、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