18. As more and more species are faced with extinction, how to sustain biodiversity is     great significance to human beings. 
(A)under 
(B)of 
(C)about 
(D)beyond

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統計: A(52), B(204), C(108), D(68), E(0) #1918578

詳解 (共 4 筆)

#4716316
of+名詞=形容詞
(共 11 字,隱藏中)
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10
2
#3313188
(A)下(B)的(C)約(d)超越
(共 19 字,隱藏中)
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6
6
#5620475
As more and more sp...
(共 213 字,隱藏中)
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6
1
#4798232


606168ba9bb24.jpg

2
0