阿摩線上測驗
20. Which reason was given by the author for us to know more about these lost cities?
(A) Knowing how these cities perished can help us build more cities more quickly.
(B) Understanding the development of the lost cities can help us preserve our cities today.
(C) Knowing the history of these lost cities can help us promote tourism.
(D) Understanding the reasons behind the losses of these cities helps us protect our environment.
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統計： A(7), B(178), C(25), D(45), E(0) #3343165
統計： A(7), B(178), C(25), D(45), E(0) #3343165
