5. Many environmental scientists actively ______ for stricter laws on industrial waste disposal due to the drastic climate change.
(A) reinforce
(B) advocate
(C) mitigate
(D) contradict
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統計: A(11), B(81), C(2), D(6), E(0) #3374367
統計: A(11), B(81), C(2), D(6), E(0) #3374367