Hair and evolution 毛发和进化论_BBC_英语广播-查字典英语网

Because it meant that they were exposed to long hours of strong sun and they were in danger of overheating.

4. What is the advantage of having little hair in a hot climate?

It means that you can sweat efficiently.

5. What link does the author make between hunting meat and human success?

The author explains that eating meat provided energy that helped the brain to develop.

2. 请你在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处。

1. I discovered the other day that I have a close relative living in Greenland. She's actually my first cousin.

2. Darwin explained his famous evolutionary theory of natural selection in 1859 in his book 'On the Origin of Species'.

3. If babies wear too many clothes in hot weather, they are at risk of overheating.

4. Daniel thrives on hard work.

5. Our human ancestors lost hair because this allowed them to sweat with the greatest efficiency.

【Hair and evolution 毛发和进化论】相关文章：

1 2 34显示全文

BBC 最新: HIV life expectancy 'near normal' thanks to new drugs 研究发现新药物可使艾滋病毒携带者预期寿命“接近正常”
2019-11-15; 和“英式下午茶”有关的英语表达
2019-11-15; The power of colour 色彩的魅力
2019-11-15; All over the shop 到处都是
2019-11-15; Statins and 105-year-old worker 他汀类药物测试、仍坚持工作的105岁老人
2019-11-15; Perpendicular 和 vertical 的区别
2019-11-15

网友关注: 雅思口语低分的3个原因; 雅思口语范文：Family Event; 揭秘雅思考官的思维模式及答题思路; 雅思口语范文：人物类; 雅思口语范文：handcraft; 雅思口语三部分的答题技巧; 雅思口语素材：名人名言-约翰·德莱顿; 雅思口语考试如何避免冷场; 雅思口语经典句型：定语从句结构; 雅思口语范文：an artist