Traffic behaviors that are not likely to cause traffic accidents include（）
A. drunk driving
B. fatigue driving
C. normal driving
D. speeding
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The following are active safety measures.（）
A. vehicle brake safety device
B. energy-absorbing steering columns
C. Anti-lock Braking System
D. Safety Driving Assist System
Longitudinal slope has two characteristic indexes, namely（）and（）
A. transition curve
B. longitudinal slope length
C. longitudinal slope
D. vertical curve
An accident that causes 1 to 2 serious injuries, or more than 3 minor injuries, or property loss of less than 30,000 yuan is called（）
A. minor accident
B. general accident
C. major accident
D. serious accident
Vision includes（）
A. eyesight
B. visual field
C. color perception
D. bright adaptation
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