拉萨驾考英语版科目四
1、How to ensure motor vehicles have sufficient power when driving uphill?
A. Downshift before reducing speed
B. Downshift after reducing speed
C. Downshift when the speed is excessively low
D. Downshift to the fullest extent
Answer：A
2、The broken and solid white line on the road indicates that crossing is allowed on the solid line side.
A. Right
B. Wrong
Answer：B
3、If a fast moving vehicle has a steering failure, using emergency braking can easily cause an overturn.
A. Right
B. Wrong
Answer：A
4、Sideslip happens most easily on which one of the following road surfaces?
A. Dry concrete road
B. Road surface at the beginning of rain
C. Damp concrete road surface
D. Road in heavy rain
Answer：B
5、The sign on the right indicates a left-turn bypass route at the intersection ahead.
A. Right
B. Wrong
Answer：A
6、The sign on the right warns of a widened left-hand road ahead.
A. Right
B. Wrong
Answer：B
7、If a motor vehicle breaks down or causes a traffic accident on the expressway and cannot run normally the vehicle may be towed by any accompanying motor vehicles.
A. Right
B. Wrong
Answer：B
8、At 3: 40 a.m. one day, Mr. Sun drove a large bus with 54 passengers(capacity 55 people). At the spot of 229 kilometers mark by 300 meters on Suiyue Expressway, the bus had a rear-end collision with a heavy semi-trailer driven by Mr. Li when passengers were getting off from the bus. As a result of the accident, 26 people were killed and 29 injured. According to the investigation afterwards, Mr. Li had been driving the bus since he left the place of departure at 6 p.m. the day before without any rest. What are the main illegal acts of the two drivers?
A. Mr. Sun illegally parked
B. Mr. Sun carried more passengers than permitted
C. Mr. Li exceeded speed limit
D. Mr. Li kept driving when tired
Answer：AD
9、The leading cause of this accident is that the driver failed to make sure that it was safe to reverse before doing so.
A. Right
B. Wrong
Answer：A
10、The sign on the right indicates that drivers should choose their lanes in accordance withthe directions indicated by arrows.
A. Right
B. Wrong
Answer：A
11、Mr. Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo (capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li?ˉs heavy dump truck (carrying 3.17 cubes of loess and 24 passengers in the container) occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured. What are the main illegal acts in this case?
A. Mr Peng exceeded the speed limit
B. Mr. Peng?ˉs tractor carried more cargo than limited
C. Mr Li illegally drove in the emergency lane
D. Mr. Li?ˉs truck illegally carried passengers in the container
Answer：BCD
12、When driving on a damp and slippery road, drivers should avoid using the emergency brake to his best ability.
A. Right
B. Wrong
Answer：A
13、The sign on the right warns of a guarded crossing 150 meters ahead.
A. Right
B. Wrong
Answer：B
14、When driving on a muddy road, what should drivers do to pass at an even speed without stopping?
A. Use the handbrake
B. Press the clutch pedal
C. Press the brake pedal
D. Use the accelerator pedal
Answer：D
15、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
16、The sign on the right indicates a bypass route at the intersection ahead.
A. Right
B. Wrong
Answer：A
17、When driving a motor vehicle not equipped with the anti-lock braking system (ABS), what should the driver do if he brakes on a road covered by ice and snow?
A. Gently or intermittently depress the brake pedal
B. Depress the brake pedal as on other roads
C. Violently depress the brake pedal
D. Suddenly depress the pedal with force
Answer：A
18、When there is a sudden braking failure on a downhill road, in which ones of the following ways can drivers reduce speed?
A. Driving onto the emergency lane and reduce speed and stop there
B. Rubbing the vehicle body against the rocks or trees on roadside
C. Pulling up the handbrake first
D. Immediately changing to a low gear
Answer：ABD
19、Under such circumstances, what should be done by the motor vehicle driver who has been overtaken?
A. Sounding the horn to warn the vehicle that overtook
B. Reducing speed or pulling over by the right side
C. Protesting by turning on the high-beam
D. Catching up with and overtaking the vehicle that overtook, and offering admonitions
Answer：B
20、When driving on an expressway, what should the driver do if he has missed an exit but the next exit is far away?
A. Reverse along the road shoulder
B. Continue on
C. Stop immediately
D. Make a U-turn at the current location
Answer：B