阿摩線上測驗
29. _______ are people who study the moon, stars, and other planets through telescopes and by analyzing photographs.
(A) Analysts
(B) Astronauts
(C) Astronomers
(D) Assistants
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統計： A(0), B(1), C(16), D(1), E(0) #616565
統計： A(0), B(1), C(16), D(1), E(0) #616565