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. When a vehicle encounters a strong side wind, the driver should firmly hold the steering wheel and press the brake urgently if he feels the vehicle deviates horizontally from the normal direction.
A. Right
B. Wrong
Answer: B
3. When braking, side skid or tail swing may occur if the rear wheels are blocked.
A. Right
B. Wrong
Answer: A
4. The sign on the right indicates right-hand turn only.

A. Right
B. Wrong
Answer: A
5. When encountering a road like this, motor vehicle drivers should downshift in advance to maintain the dynamic of the motor vehicle.

A. Right
B. Wrong
Answer: A
6. The sign on the right indicates that the speed limit is 50km/hour.

A. Right
B. Wrong
Answer: B
7. A correct measure to avoid tire burst of motor vehicles is to lower the tire pressure.
A. Right
B. Wrong
Answer: B
8. It is a bad habit for a driver to put his left arm on the window of the vehicle or hold the gear lever in his right hand for a long time.
A. Right
B. Wrong
Answer: A
9. What should the driver do to ensure the motor vehicle passes the level crossing safely?

A. Change to neutral gear and slide over
B. Switch to low gear after entering the level crossing
C. Decelerate and lower the gear before entering the level crossing
D. Stop and observe inside the level crossing
Answer: C
10. Once inflammable gas causes a fire disaster, it should be put out with water in good time.
A. Right
B. Wrong
Answer: B
11. It is illegal to change lanes without turning on indicators.
A. Right
B. Wrong
Answer: A
12. The sign on the right side warns of an emergency lane 500 meters ahead.

A. Right
B. Wrong
Answer: A
13. What should motor vehicle drivers do under the circumstances shown in the flash?

A. Reduce speed or stop to yield
B. Sound the horn to warn the pedestrians to yield
C. Pass before the pedestrians
D. Immediately change to another lane to bypass the pedestrians
Answer: A
14. A motor vehicle may stop and yield if it encounters any problem when changing to the driving lane from an acceleration lane.
A. Right
B. Wrong
Answer: B
15. When following other vehicles on a foggy day, what should the driver do?
A. Maintain a large safety distance
B. Turn on the high-beam
C. Turn on the low-beam
D. Sound the horn in due time
Answer: A
16. In the flash, it is correct for the driver to behave this way when there is a traffic jam caused by an accident on the expressway.

A. Right
B. Wrong
Answer: B
17. When a motor vehicle equipped with ABS makes an emergency brake, the driver can tread the brake pedal heavily.
A. Right
B. Wrong
Answer: A
18. Drivers may turn left when seeing these hand signals.

A. Right
B. Wrong
Answer: A
19. Mr. Li drove a large bus with 21 passengers (capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour (speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What is the main illegal act committed by Mr. Li?
A. Speeding
B. Fatigued driving
C. Carrying more passengers than permitted
D. Driving a motor vehicle with potential safety hazard
Answer: AD
20. When a motor vehicle breaks down on an expressway and cannot be moved away from the driving lane, the driver may conduct emergency repairs on the driving lane.
A. Right
B. Wrong
Answer: B