55 One of the Coast Guard Administration duties regarding environmental protection is to avert the
introduction of invasive_________ into the maritime environment, stop unauthorized ocean dumping, and prevent oil and chemical spills.
(A) vegetation
(B) flora
(C) species
(D) habitat
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(A) vegetation總稱）植物；...
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這是一道關於海巡署（Coast Guar...
阿摩線上測驗
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