Transport agencies include air and surface（）.
举一反三
- Different types of multimodal transport operations include( ). A: sea/air/sea B: road/air/road C: mini-bridge D: land bridge
- Different types of multimodal transport operation include（ ）。 A: road/air/road B: Land-bridge C: Sea/ air / sea D: road/rail/road
- Air transport is not suitable for transporting __________.
- Please choose the best answer. There are five modes of , namely, rail transport, water transport, road transport, pipeline transport and air transport.
- （ ）is one of the forms of multimodal transport that combines the economy of sea transport and the speed of air transport.