The future ______ of the bald eagle is still an important American ecological co

游客2025-04-26  0

问题 The future ______ of the bald eagle is still an important American ecological concern.

选项 A、birth
B、evolution
C、migration
D、survival

答案 D

解析 句意:秃鹫的长远生存仍然是美国一项重要的生态忧虑。survival生存,幸存。 birth出生。evolution进化,演化。migration迁移,移居。
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