1、What's the main impact of foggy weather on safe driving?
A、Easy to slide sideways
B、Low visibility
C、Increase the resistance
D、Widen the field of vision
Answer：B
2、The sign on the right indicates the road width ahead is limited to 3 meters.
A、Right
B、Wrong
Answer：A
3、Driving and smoking has no negative effect on safe driving
A、Right
B、Wrong
Answer：B
4、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
5、Which one of the following vehicle types is not allowed to pass, as indicated by the right-hand sign?
A、Large trucks
B、Large buses
C、Motor vehicles of all kinds
D、Small vans
Answer：C
6、The guide arrow on the road surface of this lane indicates that U-turns and left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
7、Drivers may temporarily cross these central solid double yellow lines when overtaking.
A、Right
B、Wrong
Answer：B
8、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
9、When a motor vehicle approaches the exit of a tunnel the driver should firmly hold the steering wheel to prevent any harmful effects of a strong side wind.
A、Right
B、Wrong
Answer：A
10、The yellow broken line on the curb indicates that vehicles are not allowed to stop and let passengers embark or disembark or load and unload freight at the roadside.
A、Right
B、Wrong
Answer：B
11、The guide arrow on the road surface of this lane indicates that only left turns are permitted at the intersection ahead.
A、Right
B、Wrong
Answer：A
12、The sign on the right warns of low-lying road ahead.
A、Right
B、Wrong
Answer：A
13、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
14、The sign on the right side warns of an emergency lane 500 meters ahead.
A、Right
B、Wrong
Answer：A
15、The motor vehicle should slow down and pass slowly in this situation.
A、Right
B、Wrong
Answer：A
16、When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
A、Right
B、Wrong
Answer：A
17、Those traffic police signals mean turning right.
A、Right
B、Wrong
Answer：B
18、After speeding up to more than 60 km/hour, a motor vehicle driver may drive onto the driving lane directly.
A、Right
B、Wrong
Answer：B
19、When passing a sharp curve, motor vehicle drivers may overtake if there are few other vehicles on the road.
A、Right
B、Wrong
Answer：B
20、Having driven his vehicle at 110km/hour on an urban road, Mr. Lin is trying to leave the scene after a rear-end collision but is held back by bystanders. The alcohol concentration in his blood, tested in an alcohol test by the traffic police, is 135.8mg per hundred milliliters. Which of the following law-breaking acts did Mr. Lin commit?
A、Drunk driving
B、Speeding
C、Fatigued driving
D、Hit-and-run driving
Answer：ABD