Inordertocutd ownonthecarbonemission,morepeoplechoosetotr avel_.
A.byelectr iccar,bicycleorplane
B.byprivatecar,bicycleorbus
C.bybus,electr iccarorplane
D.bybicycle,busorelectr iccar
正确答案:D
Inordertocutd ownonthecarbonemission,morepeoplechoosetotr avel_.
A.byelectr iccar,bicycleorplane
B.byprivatecar,bicycleorbus
C.bybus,electr iccarorplane
D.bybicycle,busorelectr iccar
正确答案:D