n. 种, 类, 外形
Attended by 20 million people across the United States, the event ___30___ support for legislation such as the Clean Air Act and the Endangered Species Act.
四级 · CET-4 2025年12月 第3套
It gauges the level of intelligence of various animal species.
六级 · CET-6 2025年12月 第2套
“It may well be that the messy nature of their relationship with human efforts induces more animals to scatter or travel further, and might result in greater genetic connectivity and enhanced population persistence.” The most recent count of pandas found that there were more than 1,800 left in the wild, putting them on the list of vulnerable, but not endangered, species.
四级 · CET-4 2025年6月 第1套
It is not a moment too soon that teenagers will be able to take a natural history test given that for decades children have been able to name more video game characters than wildlife species.
四级 · CET-4 2024年12月 第1套
Plants are also, of course, our first defense against species loss and climate change.
四级 · CET-4 2024年12月 第1套