阿摩線上測驗
16 According to the passage, which of the following is one of the main goals of space colonization?
(A) Establishing self-sustaining colonies on celestial bodies.
(B) Expanding human presence on Earth.
(C) Ensuring the long-term survival of extraterrestrial species.
(D) Investigating the origin of the universe.
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統計： A(43), B(8), C(18), D(4), E(0) #3144177
統計： A(43), B(8), C(18), D(4), E(0) #3144177
