Traffic congestion at peak time exists in the mode of transport of（ ）.
A: road
B: rail
C: air
D: sea
E: pipe
A: road
B: rail
C: air
D: sea
E: pipe
举一反三
- Different types of multimodal transport operation include（ ）。 A: road/air/road B: Land-bridge C: Sea/ air / sea D: road/rail/road
- In （ ）, chartering ships or booking shipping space is involved. A: rail transport B: sea transport C: air transport D: road transportB.sea transport
- Among all the means of transport, ________ transport is cheapest and slowest for international business. A: sea B: rail C: road D: air
- Among all the means of transport, _____ transport is the most environmentally friendly for international business. A: road B: sea C: rail D: air
- Among all the means of transport, _____ transport is the most flexible option for international business. A: air B: road C: sea D: rail