23. In all conservation, the first effective step is to decide and define ____.
(A) that its protection is worthy
(B) it is worthy of protection
(C) its protection is worthy
(D) what is worthy of protection

答案：登入後查看
統計： A(6), B(3), C(2), D(20), E(0) #864381

詳解 (共 2 筆)

#1313700
答案是D
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#1315056
原本答案為A,修改為D
(共 13 字，隱藏中）
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