保山科目四英语书
1、When such circumstances happen suddenly, drivers should reduce speed in a timely fashion or stop to yield.
A. Right
B. Wrong
Answer：A
2、When the wounded person is suffering main artery bleeding, where should the rescue personnel press by thumb to stop the bleeding?
A. The artery near the heart
B. The artery lower to the wound
C. The artery further from the heart
D. The artery in the center of the wound
Answer：A
3、Motor vehicles are not allowed to reverse in a tunnel.
A. Right
B. Wrong
Answer：A
4、When a motor vehicle turns at an excessively high speed, it can easily slide sideways.
A. Right
B. Wrong
Answer：A
5、When the engine suddenly stalls on the road and cannot be restarted, the driver should apply emergency braking to force the vehicle to stop as fast as possible.
A. Right
B. Wrong
Answer：B
6、This sign indicates that vehicles can either drive straight or turn right at the fly-over junction ahead.
A. Right
B. Wrong
Answer：B
7、When there is a braking failure on a downhill road the driver should change the gear to one position or two positions lower, and control the speed by taking advantage of the braking role of the engine.
A. Right
B. Wrong
Answer：A
8、When driving on a muddy road, what should drivers do if the wheels spin and slide?
A. Cover the ground under the wheels with gravels
B. Change to a high gear and speed out
C. Cover the ground under the driving wheels with gravels
D. Violently turn the steering wheel and suddenly speed up
Answer：C
9、When the motor vehicle stops on an uphill section, how should the driver use the foot brake?
A. Earlier than on a level road
B. Later than on a level road
C. As timely as on a level road
D. Strongly depress the foot brake pedal
Answer：B
10、Which of the following is an inflammable solid material?
A. Matches
B. Gun powder
C. Calcium carbide
D. Explosives
Answer：A
11、If a fast moving vehicle has a steering failure, using emergency braking can easily cause an overturn.
A. Right
B. Wrong
Answer：A
12、The sign on the left indicates that drivers should stop to take a pass card at the toll station ahead.
A. Right
B. Wrong
Answer：A
13、The sign on the right indicates a 2-kilometer distance from the Donglushan Service Area on the highway.
A. Right
B. Wrong
Answer：A
14、How to ensure motor vehicles have sufficient power when driving uphill?
A. Downshift before reducing speed
B. Downshift after reducing speed
C. Downshift when the speed is excessively low
D. Downshift to the fullest extent
Answer：A
15、The road marker indicates that vehicles are only allowed to turn right at the intersection ahead.
A. Right
B. Wrong
Answer：B
16、Which of the following is a basic requirement for rescuing the injured at the scene of a traffic accident?
A. Treat wounds first and safe life later
B. Save life first and treat wounds later
C. Help lightly wounded persons first
D. Help seriously wounded persons later
Answer：B
17、Under such circumstances, the motor vehicle is allowed to overtake.
A. Right
B. Wrong
Answer：B
18、Drivers may go straight and pass through when trafficpolice give these hand signals
A. Right
B. Wrong
Answer：B
19、After a motor vehicle falls into water, the driver should immediately close the windows to prevent water from flowing into the compartment and to keep the air from flowing out. At the same time, he/she should make calls to tell the rescue personnel the place of the accident and wait for their arrival.
A. Right
B. Wrong
Answer：B
20、The cross-hatched marking indicates an area where vehicle drivers are allowed to stop and wait.
A. Right
B. Wrong
Answer：B