問題詳情
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
參考答案
答案：A
難度：困難0.285714
統計：A(4),B(1),C(0),D(5),E(0)
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