4. Many sounds are not sensed by human ears because, unlike other animals, our ears are not as sensitive.
(A) detected
(B) destroyed
(C) developed
(D) delivered 

答案：登入後查看
統計： A(52), B(10), C(5), D(14), E(0) #1203590

詳解 (共 1 筆)

#1307982
原本答案為C,修改為A
(共 13 字，隱藏中）
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