阿摩線上測驗
40. What is the main purpose of this passage?
(A) To explore sleep disorder and its fundamental causes.
(B) To argue that insomnia is an incurable physical condition.
(C) To explain why people need enough sleep to keep in shape.
(D) To support the theory that insomnia results from physical factors alone.
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統計： A(92), B(18), C(17), D(0), E(0) #1835882
統計： A(92), B(18), C(17), D(0), E(0) #1835882
