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、The sign in front indicates a 2-kilometer distance from the destination of the highway ahead.
A、Right
B、Wrong
Answer：A
3、The braking distance will be shortened greatly when the motor vehicle is equipped with ABS brakes.
A、Right
B、Wrong
Answer：B
4、As shown in this flash, what should the motor vehicle driver do when encounters this situation?
A、Use the mergency brake
B、Turn sharply and pass rapidly
C、Slide over rapidly without encountering collision
D、Stop smoothly
Answer：D
5、This sign warns to bypass from either side to avoid roadblock.
A、Right
B、Wrong
Answer：A
6、The sign on the left warns that there are vehicles converging into the intersection on the left.
A、Right
B、Wrong
Answer：A
7、The sign indicates no overtaking on the section ahead.
A、Right
B、Wrong
Answer：B
8、When encountering this situation in a residential area, the driver should follow them closely.
A、Right
B、Wrong
Answer：B
9、In which of the following ways can motor vehicles avoid a tire burst?
A、Lowering tire pressure
B、Checking tires regularly
C、Removing foreign matters from the tire tread grooves timely
D、Replacing the tires that have cracks or deep cuts
Answer：BCD
10、When a motor vehicle turns left at this intersection the driver should change to the left lane in advance by the guide arrow.
A、Right
B、Wrong
Answer：A
11、As shown in the flash, when overtaking a vehicle in front, the driver should make the horizontal distance as large as possible and may cross the solid line if necessary.
A、Right
B、Wrong
Answer：B
12、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
13、What should be done first after getting into the vehicle?
A、Observe the surrounding traffic situation
B、No need to observe the traffic situation around
C、Open the door and get in directly
D、Take note of the weather
Answer：A
14、The sign in front is an advance announcement of the directions led by this intersection.
A、Right
B、Wrong
Answer：A
15、The solid yellow line on the curb indicates that temporary stopping or parking is allowed at the roadside.
A、Right
B、Wrong
Answer：B
16、The sign in front indicates the distance to highway destination.
A、Right
B、Wrong
Answer：B
17、The sign on the right side warns of a sharp right turn ahead.
A、Right
B、Wrong
Answer：A
18、The sign on the right warns of a hump bridge right ahead.
A、Right
B、Wrong
Answer：B
19、When driving on the expressway in a heavy rain, what should the driver do to avoid "water sliding" phenomenon?
A、Install slide-proof devices
B、Speed up
C、Slow down
D、Continue to depress the brake
Answer：C
20、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