1、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
2、What should motor vehicle drivers do when parking temporarily on a rainy day?
A、Turn on hazard lamp
B、Turn on front and back fog lamp
C、Turn on low-beam
D、Set up warning sign at the back of the vehicle
Answer：A
3、For evading an emergency on an expressway, which of the following principles should drivers stick to?
A、Evading vehicles first and objects later
B、Evading people first and objects later
C、Evading vehicles first and people later
D、Evading objects first and people later
Answer：B
4、The sign on the right indicates a bypass route at the intersection ahead.
A、Right
B、Wrong
Answer：A
5、In which ones of the following ways can motor vehicle drivers effectively prevent braking failure?
A、Maintaining the braking system periodically
B、Checking the free brake pedal travel before driving
C、Using the braking system correctly to avoid brake-fade
D、For vehicles with hydraulic braking system, checking if the brake fluid leaks before driving
Answer：ABCD
6、Before setting off, it is necessary to check the driving cabin, engine cabin, external and tires of the motor vehicle.
A、Right
B、Wrong
Answer：A
7、The sign on the right warns of a road section ahead under construction.
A、Right
B、Wrong
Answer：A
8、The area in the yellow rectangle markings on the right side of the road indicates that temporary stopping is permitted here.
A、Right
B、Wrong
Answer：B
9、If a fast moving vehicle has a steering failure, using emergency braking can easily cause an overturn.
A、Right
B、Wrong
Answer：A
10、Motor vehicles are prohibited from stopping on the ramp of an expressway.
A、Right
B、Wrong
Answer：A
11、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
12、In such circumstances, which one of the following statements is the safest measure for a motor vehicle driver to take?
A、Accelerate to overtake the vehicle in front as soon as possibl
B、Voluntarily reduce speed and refrain from overtaking
C、Sound the horn to warn the vehicle in front to yield
D、Turn on the headlamp to warn the oncoming vehicle to yield
Answer：B
13、How will the adhesive force of road change when speed increases on a damp and slippery road?
A、Increase sharply
B、increase gradually
C、decrease sharply
D、No change
Answer：C
14、How to reduce speed or stop when driving on a road covered with snow and ice?
A、Take full advantage of driving brake
B、Take full advantage of the control power from engine
C、Take full advantage of parking brake
D、Take full advantage of speed retarder
Answer：B
15、When driving, besides paying attention to keeping a safe distance from the vehicle in front, drivers should also be prudent when braking so as to avoid a rear-end collision caused by a vehicle behind.
A、Right
B、Wrong
Answer：A
16、As shown in the flash, the driver's act is correct.
A、Right
B、Wrong
Answer：B
17、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
18、Which of the following is a safe way for motor vehicles to pass the intersection marked with this sign?
A、Stop and observe the traffic situation around the intersection
B、Approach the intersection by speeding up
C、Observe the traffic situation on the left rear side
D、Approach the intersection at a reduced speed
Answer：D
19、When overtaking on a rainy day, drivers should turn on headlamps and sound a long horn.
A、Right
B、Wrong
Answer：B
20、The sign on the right indicates that the number of the lanes ahead will increase.
A、Right
B、Wrong
Answer：B