The author mainly discusses （）of public transportation.
A: the price
B: the types
C: the improvement
D: the advantage
A: the price
B: the types
C: the improvement
D: the advantage
举一反三
- Waterway transportation includes ( ) transportation and river transportation.
- What should the transportation be like in their opinion A: There should be fewer subway lines. B: There should be more public transportation. C: There should be more cars.
- Outdoor billboards are large structures located near transportation points intending to attract the interest of people traveling on roads or public transportation.
- The article mainly discusses
- This passage mainly discusses ( ).