1. Mr. He drove his large bus with 53 passengers (permitted carrying capacity 47) to 454 km mark by 100m along the Yining-hefei Expressway in Nanjing jurisdiction, where he was tailgated by a heavy-type semitrailer tractor. The bus left the road, breaking through the guardrail and catching fire. 17 people were killed and 27 injured. Which of the following law-breaking acts did Mr. He commit?
A. Speeding
B. Exceeding the carrying capacity of the motor bus
C. Driving a motor vehicle overdue for annual inspection
D. Improper operation
Answer: B
2. Drivers may cross these lane-dividing lines to change lanes in the same direction.

A. Right
B. Wrong
Answer: B
3. The sign on the right indicates a section for ascertaining the distance between the vehicles 200 meters ahead.

A. Right
B. Wrong
Answer: A
4. Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer: B
5. The sign on the right indicates a passing bay ahead.

A. Right
B. Wrong
Answer: A
6. When passing an intersection, vehicle motor drivers are not allowed to overtake.
A. Right
B. Wrong
Answer: A
7. The sign on the right warns of right-hand S-shaped bend ahead.

A. Right
B. Wrong
Answer: B
8. When the motor vehicle encounters a crosswalk in this situation, the driver may speed up and pass rapidly.

A. Right
B. Wrong
Answer: B
9. What is the meaning of the sign on the right?

A. Long-time parking permitted
B. Temporary parking permitted
C. Long waiting for passengers permitted
D. No parking
Answer: B
10. It is safest for a motor vehicle driver to overtake the vehicle in front from its righthand on this kind of road.

A. Right
B. Wrong
Answer: B
11. 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
12. Motor vehicles are prohibited from stopping on the ramp of an expressway.
A. Right
B. Wrong
Answer: A
13. When driving into the traffic flow on a main road from a relief road, drivers should speed up.
A. Right
B. Wrong
Answer: B
14. As shown in the flash, what should the driver do when the motor vehicle encounters this situation?

A. Speed up and pass rapidly
B. Stop immediately
C. Sound the horn to indicate the pedestrians to yield
D. Observe the movement of pedestrians and non-motor vehicles before passing
Answer: D
15. The guide arrow on the road surface of this lane indicates that there is an intersection on the right side of the road.

A. Right
B. Wrong
Answer: B
16. When driving onto the left lane, motor vehicle drivers are allowed to make a U-turn.

A. Right
B. Wrong
Answer: A
17. The sign on the right warns of a narrowed road on both sides ahead.

A. Right
B. Wrong
Answer: B
18. When there is a braking failure on a downhill road, the driver should immediately try to find and drive to an emergency lane; after stopping the vehicle on the emergency lane, the driver should pull up the stopping brake so as to prevent a second danger arising from the vehicle sliding.
A. Right
B. Wrong
Answer: A
19. The sign on the right warns of a sharp winding road ahead.

A. Right
B. Wrong
Answer: B
20. The sign on the left warns of no passing on the right-hand road ahead.

A. Right
B. Wrong
Answer: B