30. According to the author, we might call our eyes and ears “transformers” because:
(A) They sense light and sound.
(B) They create electrical impulse.
(C) The brain can interpret the input.
(D) They travel from places to places.
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統計: A(24), B(89), C(18), D(0), E(0) #923153
統計: A(24), B(89), C(18), D(0), E(0) #923153