1、The slanted filled-in yellow marking in the middle of the road warns that there is a stationary obstacle ahead.
A、Right
B、Wrong
Answer：A
2、The road marker indicates that vehicles are not allowed to make a U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
3、When a motor vehicle encounters this situation at a crosswalk, the driver must slow down and pass slowly.
A、Right
B、Wrong
Answer：B
4、The sign on the right indicates that the speed limit is 50km/hour.
A、Right
B、Wrong
Answer：B
5、When there is a braking failure on a downhill road the driver should change the gear to one position or two positions lower, and control the speed by taking advantage of the braking role of the engine.
A、Right
B、Wrong
Answer：A
6、The sign on the right warns of no passing on either side of the road ahead.
A、Right
B、Wrong
Answer：B
7、The sign on the right warns of right-hand S-shaped bend ahead.
A、Right
B、Wrong
Answer：B
8、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.
A、Right
B、Wrong
Answer：B
9、The sign in the red circle indicates that the left road is only for small vehicles.
A、Right
B、Wrong
Answer：B
10、When driving on this dangerous mountainside road motor vehicle drivers should drive along the left side of the road.
A、Right
B、Wrong
Answer：B
11、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
12、The white zig-zag line on the highway serves as a reference for the speed of a driver.
A、Right
B、Wrong
Answer：B
13、The sign on the right indicates the location of the highway emergency phone.
A、Right
B、Wrong
Answer：B
14、When a bicycle occupies the motor vehicle lane and obstructs the traffic, the driver should sound the horncontinuously and speed up to bypass on the left of the bicycle.
A、Right
B、Wrong
Answer：B
15、The marking on the road surface indicates that the speed limit of this road section is 80 km/hour.
A、Right
B、Wrong
Answer：B
16、The sign in front indicates the allocation of roads ahead.
A、Right
B、Wrong
Answer：B
17、The sign on the left indicates U-turn is allowed here.
A、Right
B、Wrong
Answer：A
18、The sign on the right indicates an inspection station 100 meters ahead.
A、Right
B、Wrong
Answer：A
19、This sign warns that the section ahead is under traffic monitoring.
A、Right
B、Wrong
Answer：A
20、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A