Animals are one of the most important resources for human beings, however, by 20

游客2024-08-15 48

问题 Animals are one of the most important resources for human beings, however, by 2030, many species will have______according to recent research.

选项 A、used up
B、died out
C、gone up
D、got rid of

答案 B

解析句意：动物是人类最重要的资源之一，然而，最近的研究显示，到2030年许多物种都会灭绝。use up用尽，耗尽。die out(物种、家族、观念等)绝迹，绝种。go up上涨；晋级。get rid of除去；去掉。B项die out符合题意。

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Animalsareoneofthemostimportantresourcesforhumanbeings,however,by20