問題詳情

15. Due to pollution and overhunting, the number of large fishlike sharks in the oceans has________ by 80 percent in just 50 years.
(A)appealed
(B)stressed
(C)survived
(D)decreased

參考答案

答案:D
難度:簡單0.78355
統計:A(8),B(4),C(32),D(181),E(0)

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