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(A) Once depleted, most shark populations are slow to recover.
(B) Over the past years there have been a couple of very positive developments.
(C) A handful, including the great white shark, may ultimately face total biological extinction.
(D) It is estimated that roughly 100 million sharks are saved worldwide by fishermen every year.

答案：登入後查看
統計： A(82), B(17), C(26), D(5), E(0) #569917

詳解 (共 1 筆)

#984411

Male white sharks are not ready to breed until they are at least 9 or 10 years old, while females do not mature until 15-16 years old—and they produce very few young. Once depleted, most shark populations are slow to recover.   According to Sonja Fordham, an international shark conservation specialist with the Ocean Conservancy, We are hopeful that recent restrictions on international trade in white shark teeth, jaws, and fins will work to rebuild depleted shark populations.

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