1、It is not a bad habit for a driver to frequently change lanes.
A、Right
B、Wrong
Answer：B
2、How many kinds of law-breaking acts are displayed in flash 4?
A、One
B、Two
C、Three
D、Four
Answer：C
3、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A、Right
B、Wrong
Answer：B
4、When the windscreen of a motor vehicle on the highway is cracked by flying rocks or debris which makes visibility poor, the driver should reduce speed gradually, turn on the hazardlamps, drive to a place where it will not obstruct the traffic flow and stop there.
A、Right
B、Wrong
Answer：A
5、Motor vehicles should stop and wait when encountering two red lights flashing alternately at evel crossings.
A、Right
B、Wrong
Answer：A
6、When there is bleeding at the bone fracture of a wounded person, the first thing to do is to fix the wounded part in position, then stop the bleeding and dress the wound.
A、Right
B、Wrong
Answer：B
7、The sign on the right indicates that vehicles from the primary road have priority.
A、Right
B、Wrong
Answer：A
8、Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?
A、Use a long-sounding horn
B、Follow the vehicle in front while turning high-beam
C、Wait for it to yield while keeping a safe distance
D、Use high-beam and low-beam alternatively
Answer：C
9、The sign on the right side indicates no entry for all vehicles.
A、Right
B、Wrong
Answer：A
10、The sign on the right warns of no passing due to collapse on the road ahead.
A、Right
B、Wrong
Answer：B
11、The sign on the left indicates no U-turn at the intersection ahead.
A、Right
B、Wrong
Answer：A
12、This sign indicates the traffic broadcast and radio television channel of highway.
A、Right
B、Wrong
Answer：B
13、The sign on the right indicates a one-kilometer distance from the ETC toll station.
A、Right
B、Wrong
Answer：A
14、The sign on the right indicates that sounding the horn is prohibited here.
A、Right
B、Wrong
Answer：B
15、The sign in front indicates a temporary parking lot on the right side of the highway.
A、Right
B、Wrong
Answer：B
16、The sign on the right warns drivers to yield for oncoming motor vehicles.
A、Right
B、Wrong
Answer：B
17、The sign on the right warns of a bumpy road ahead.
A、Right
B、Wrong
Answer：B
18、If a motor vehicle has an accident on a foggy day and stops on an expressway, which of the following acts is dangerous?
A、Leaving the motor vehicle as soon as possible
B、Standing outside the guardrail as much as possible
C、Turning on the hazard lamp and fog lamp
D、Placing a warning sign behind the vehicle in the oncoming direction
Answer：D
19、Upon encountering this traffic signal, how should a driver react?
A、Observe the traffic situation and pass at a reduced speed
B、Pass at an increased speed without changing gears
C、Pass before the train comes
D、Crossing the stop line is prohibited
Answer：D
20、The motor vehicle should slow down and pass slowly in this situation.
A、Right
B、Wrong
Answer：A