31 The flood warning system needs to be______ established to save thousands of lives.
(A) minimally
(B) optimally
(C) improperly
(D) optionally

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統計: A(23), B(101), C(102), D(33), E(0) #3256037

詳解 (共 2 筆)

#6136262
洪水預警系統需要最佳地建立,以挽救數千條...
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#6216859
 optimally >最佳的
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