Which of the following are risk factors for road traffic injuries?（ ）
A: Strict enforcement of speed limit laws
B: Increasing use of vehicles
C: Separate bicycle-only lanes
D: Helmetwearing
A: Strict enforcement of speed limit laws
B: Increasing use of vehicles
C: Separate bicycle-only lanes
D: Helmetwearing
举一反三
- Which of the following risk factors are associated with atherosclerosis?
- Traffic police in Cambodia have not______ traffic laws for four months A: enforced B: enforcing C: enforce D: enforcement
- Which of the following statement is correct regarding ship handling when in the vicinity of traffic separation schemes? (1)A vessel shall,so far as practicable,avoid crossing traffic lanes (2)If obliged to cross traffic lanes,she shall do so as nearly as practicable at right angles to the general direction of traffic flow．。 A: A．(1) only B: B．(2) only C: C．Both(1) and (2) D: D．Neither (1) nor (2)
- A special-purpose lane system is probably advantageous in that______. A: it would require only minor changes to existing highways B: it would achieve the greatest highway traffic efficiency C: it has a lane for both automated and partially automated vehicles D: it offers more lanes for automated vehicles
- Which word is only used on the road? A: traffic lights B: take the lift C: upstairs D: on the fifth floor