商洛英语科目四考试
1、A motor vehicle should not obstruct other vehicles when it enters the driving lane from an acceleration lane.
A. Right
B. Wrong
Answer：A
2、Sounding the horn on a foggy day can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A. Right
B. Wrong
Answer：A
3、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
4、Unless stopping due to obstacles or vehicle breakdown on an expressway, motor vehicles are not allowed to stop to pick up or drop off people or load and unload cargo.
A. Right
B. Wrong
Answer：A
5、The sign on the right warns of a guarded crossing 150 meters ahead.
A. Right
B. Wrong
Answer：B
6、Mr. Hao drove a heavy dump truck with 84.84 tons of cargo (truck allowing for 15.58 tons). When he drove on the No 262 provincial highway in Luanxian County, at the spot of 34 kilometers mark by 623 meters, his truck overturned onto the sideway after a rear-end collision with another truck in front carrying 45.85 tons of cargo(a truck allowing for 1.71 tons). As a result of this accident, 19 people were killed and 17 injured. What is the common illegal act of the two drivers?
A. Speeding
B. Overloaded
C. Fatigued driving
D. Driving after drinking
Answer：B
7、The sign on the right warns of a road section ahead under construction.
A. Right
B. Wrong
Answer：A
8、When a fast-moving vehicle encounters an emergency the driver should turn to evade first and then brake to slow down so as to mitigate the damage.
A. Right
B. Wrong
Answer：B
9、The sign on the right warns of an unguarded railway intersection ahead.
A. Right
B. Wrong
Answer：B
10、Motor vehicle drivers may reverse at an intersection.
A. Right
B. Wrong
Answer：B
11、The sign on the right warns of an abrupt slope section ahead.
A. Right
B. Wrong
Answer：A
12、Dangerous chemicals possess the characteristics of explosion, inflammation, poison, erosion and radiation.
A. Right
B. Wrong
Answer：A
13、Having driven his truck at 90km/hour on an urban road without road lamps, Mr. Zhou is passing a narrow road using the high-beam and cutting off the way of an oncoming passenger car that runs into the right guardrail as a consequence. Which of the following law-breaking acts did Mr. Zhou commit?
A. Speeding
B. Approaching a vehicle not in accordance with related regulations and rules
C. Fatigued driving
D. Using lamps not in accordance with related regulations and rules
Answer：ABD
14、How should lamps be used by the motor vehicle driver who follows a vehicle on a road section where the street light condition is good?
A. Turn off the headlamp
B. Use high-beam
C. Turn off all lamps
D. Use low-beam
Answer：D
15、The sign on the right warns of a guarded railway crossing 100 meters ahead.
A. Right
B. Wrong
Answer：B
16、A motor vehicle should not pass the level crossing rapidly in this situation.
A. Right
B. Wrong
Answer：A
17、What does this sign on the fly-over junction indicate?
A. Turn right
B. Drive straight or turn left
C. Drive straight or turn right
D. Take a U-turn under bridge
Answer：C
18、The guide arrow on the road surface of this lane indicates that the lanes ahead will merge to the left side.
A. Right
B. Wrong
Answer：A
19、When a motor vehicle enters an expressway from the ramp, which of the following lamps should be turned on?
A. The left-turn indicator
B. The right-turn indicator
C. The hazard warning lamp
D. The headlamp
Answer：A
20、When putting out a fire disaster that gives out corrosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and operate from the windward side.
A. Right
B. Wrong
Answer：A