Gonzalez-Suarez says: "It is our collective responsibility as scientists who studymegafauna to act to prevent their decline." Time to put our big brains to good use.
词汇表
asset 长处,优点
brainy 有头脑的,聪明的
go from strength to strength 不断壮大,从强大变得更强
grey matter(口语)大脑,智力
downside 不利之处
gestational period 妊娠期
offspring 后代,子孙
young 动物的幼小后代
trait 特质,特征
mortality 死亡率
precarious 危险的,不确定的
to poach 偷猎
habitat 动物的栖息地,生存环境
to evolve 进化
species 物种
to tame 控制,驾驭
to exacerbate 使恶化,使加剧
megafauna 巨型动物群
测验与练习
1. 阅读课文并回答问题。
1. Why are big brains 'expensive'?
2. Which phrase means 'shared duty'?
3. What does Gonzales-Suarez believe the scientific community should do about large animals?
4. Why did sponges lose their brains?
5. True or false? Mammals with big brains increase the risk of extinction for humans.
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