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1. What is the advantage of overhead bridges mentioned in this passage?
A.Taller trucks can pass under them.
B. Pedestrians can climb up and have a view of the city.
C.They are safer for pedestrians and can keep traffic moving at the same time.
D.They are easier and more convenient for the pedestrians.
A.Taller trucks can pass under them.
B. Pedestrians can climb up and have a view of the city.
C.They are safer for pedestrians and can keep traffic moving at the same time.
D.They are easier and more convenient for the pedestrians.
参考答案