1、When a motor vehicle passes over an overflowing bridge, what should the driver do after stopping and observing closely?
A、Change to a high gear and pass rapidly
B、Constantly observe the changes of the flow
C、Prepare to stop at any time
D、Change to a low gear and pass through at a constant speed
Answer：D
2、The sign on the right warns of a hump bridge right ahead.
A、Right
B、Wrong
Answer：B
3、Drivers may turn left when traffic police give these hand signals.
A、Right
B、Wrong
Answer：B
4、The guide arrow on the road surface of this lane indicates that only left and right turns are permitted on the lanes ahead.
A、Right
B、Wrong
Answer：A
5、The sign in front is an advance announcement of famous places and distances en route.
A、Right
B、Wrong
Answer：A
6、What influence does smoking have upon driving?
A、Harmful for safe driving
B、Increase concentration
C、Help relaxation
D、No effect on driving
Answer：A
7、The diamond-shaped broken line warns that drivers should drive at a lower speed on the road sections ahead.
A、Right
B、Wrong
Answer：A
8、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
9、What should the driver do if he/she wants to turn left at this intersection?
A、Turn left along the straight-going lane
B、Enter the left turn waiting area
C、Enter the straight-moving waiting area
D、Turn left along the left lane
Answer：B
10、The guide line of a changeable lane indicates that drivers can choose their direction at will.
A、Right
B、Wrong
Answer：B
11、After setting off from the roadside, motor vehicle drivers should speed up as soon as possible and make a sharp left-turn in order to drive into the normal lane.
A、Right
B、Wrong
Answer：B
12、The sign on the right warns drivers to yield for oncoming motor vehicles.
A、Right
B、Wrong
Answer：B
13、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
14、The sign on the right indicates a 200-meter distance from the gas station ahead.
A、Right
B、Wrong
Answer：A
15、When a wounded person is unable to get off the vehicle by himself/herself, he/she should be removed from the vehicle so as to avoid a secondary injury.
A、Right
B、Wrong
Answer：A
16、The sign on the right warns that there are vehicles converging into the intersection on the right.
A、Right
B、Wrong
Answer：A
17、The sign on the right warns of a sharp winding road ahead.
A、Right
B、Wrong
Answer：B
18、The sign on the right warns of entering a tunnel, and requires reduced speed.
A、Right
B、Wrong
Answer：B
19、How should motor vehicle drivers make a U-turn at the intersection ahead?
A、Make a U-turn in the waiting area for turning left
B、Make a U-turn at the broken line area of the Intersection
C、Wait until the left-turn indicator is on
D、Wait until the straight-going signal is on
Answer：B
20、The sign on the right warns of no passing due to collapse on the road ahead.
A、Right
B、Wrong
Answer：B
21、What should the driver do when he/she encounters an oncoming ambulance in the same lane?
A、Keep to the side and reduce speed or stop to yield
B、Drive ahead by occupying another lane
C、Yield by speeding up and changing lanes
D、Drive ahead in the original lane
Answer：A
22、The solid yellow line on the curb indicates that temporary stopping or parking is allowed at the roadside.
A、Right
B、Wrong
Answer：B
23、Motor vehicles are prohibited from driving straight or turning left in this situation.
A、Right
B、Wrong
Answer：A
24、The sign on the right indicates a 2-kilometer distance from the Donglushan Service Area on the highway.
A、Right
B、Wrong
Answer：A
25、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B