36 The purpose of the underlined word "hormones" is to point out
(A)chemical signals that are common among insects
(B)specific responses of various species to chemical signals
(C)similarities between two chemical substances
(D)how insects produce different chemical substances

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統計: A(22), B(40), C(57), D(5), E(0) #1021157

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#2218416
"hormones"  荷爾蒙
(共 17 字,隱藏中)
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