阿摩線上測驗
45 The mission of the World Wildlife Fund is to conserve and reduce the most pressing threats to the _____ of life on
Earth.
(A) symptom
(B) diversity
(C) alignment
(D) allowance
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統計： A(7), B(53), C(9), D(7), E(0) #3164471
統計： A(7), B(53), C(9), D(7), E(0) #3164471
