根据第一段“When adult humans meet a baby, many can’t help speaking in a higher-pitched (更高音的), sing-song y voice. This shift, known as parentese, is not unique to humans — it has also been observed in animals
Also, mice are animals that remain active at night, with periods of sleeping and being awake distributed throughout the day and night, whereas most humans have a single sleep period that usually occurs at night, he said.”(吉尔达夫承认,这项研究只在老鼠身上进行,没有在人类身上进行。此外,老鼠...
When I approached, they grew silent.当我走近时,他们变得沉默了。 That's why I think people were so shocked when they found out about this.这就是为什么我认为人会如此惊讶当他们发现了这个。 Only humans are known to express dismay when looking at their reflections.只有人类在看到自己的倒影时才会...
The experts estimate that it would have taken a few thousand years at least for humans to fully begin exploiting their speech capacity once it developed, allowing human language to emerge as one of nature’s most unique and empowering phenomenons. Read More Legal Notice / DisclaimerAhead of ...
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Early humans were able to live in one place when A. they could walk on two feet B. they could use metals C. they knew how to farm D. they knew how to use fire68. Which of the following is true according to the passage? A. The first tools were made of copper. B. The first ...
VI完成句子1.Humans orygen and carbon dioride.人吸入氧气,呼出二氧化碳。2.Wewere whenhe announced the news.当他宣布这个消息时,我们都屏住了呼吸。3.T heold man was fromclimbing the stai rs.这位老人因为爬楼梯而上气不接下气。4.Suchfierce erercise made him如此剧烈的运动让他喘不过气来了。5.He...
The big fear is that the intensity of conflict between humans and elephants can start as just a nuisance and quickly grow to the point where people or elephants get killed. 【答案】31.were seen 32.Others 33.which 34.a 35....
I'm talking about a climate that was so wet for so long that animals and humans alike made themselves at home in the middle of the Sahara.我说的是湿润得足以让动物和人类都在撒哈拉中部安家。The many rock artists who lived there created a record of this ecological change.那时候住在这儿的...
1991年考研英语完形填空答案解析—电视和收音机评论员二者的区别 When television first began to expand, very few of the people who had become famous as radio commentators were able to be equally effective on television. Some of the difficulties they experienced when they were trying to ___1___ ...