34. How do initiatives aimed at sustainable tourism impact Petra?
(A) They destroy the ancient landmarks.
(B) They preserve the integrity of the archaeological site.
(C) They damage the city's water management systems.
(D) They increase visitor foot traffic.
(E) They neglect conservation efforts.
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統計: A(1), B(9), C(0), D(6), E(1) #3229443
統計: A(1), B(9), C(0), D(6), E(1) #3229443