根据文章第五段的"If every living cell has the same chance of becoming cancerous,large creatures with long life spans like whales and elephants should have a greater risk of developing cancer than humans and mice do如果每一个活细胞都有相同的机会成为癌变,大型动物寿命长像鲸鱼和大象应该有一个更大...
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Speaking of elephants, we think they look strong. Why? Maybe because they have long tusks (象牙). However, the tusks may make the animals in26 . Some bad men kill the elephants for their tusks. And people make elephants` tusks into expensive things. They sell them to _ 27_ people But...
Why It Is Crucial That Elephants Have Good MemoriesAN ELEPHANT'S memory is critical to the survival of its family, scientists have discovered, in a study that underpins the importance of age and experience in the animal kingdom.
Do elephants ever forget? Elephants do have strong long-term memories, probably because they've evolved largememory-related brain regions. In the brain—this goes for the human brain as well—the temporal lobe holds important structures for making and storing memories, and this region is...
People have been wondering why elephants do not develop cancer even though they have lifespans (寿命) that are similar to humans, living for around 50 to 70 years. Now scientists believe they know why. A team at the University of Chicago, US has found that elephants carry a large number ...
We're exploring two different animals in today's episode. One has a long neck and the other has a long trunk! We'll answer: Why are elephants so big? How do their trunks work? Why do they have tusks? Why is elephant skin so rough? Do elephants stomp? Are they actually afraid of ...
根据主语 the elephants 是谓语动词 protect 的承受者,二者是被动关系,表示“它被保 护” ,所以用被动语态;根据语境可知,是表达“必须 受到保护” 。 含有情态动词的被动语态的构成是 “主语十情态动词+be+动词的过去分词” 。句意:— —为什么泰国的大象必须受到保护?— —因 为那里的(一些)人为了用象牙赚钱...
By combining the world of science and scientific research with bright, dynamic artwork each book in the Tell Me WhyEseries helps y... (展开全部) 我来说两句 短评 ··· 热门 还没人写过短评呢 我要写书评 Tell Me Why Elephants Have Trunks的书评 ··· ( 全部0 条 ) 论坛 ··· ...
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