47 Which of the following best describes the main idea of this passage?
(A)Coffee has no effect on insomnia.
(B) The smell of coffee helps reduce tension.
(C)Coffee helps keep doctors away.
(D)Caffeine is harmless.
詳解 (共 2 筆)
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(A)Coffee has no eff...
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原本題目:請依下文回答第 47 題至第 ...