Scientists may have found a reason why you can’t stop pinching the cheeks of adorable babies. Researchers at Yale University describe this phenomenon as “cute aggression”. They studied the brains of 52 participants and found that people have a strong reaction to pets and humans with more infantile features.
The Yale researchers initially found that people reported feeling cute aggression more in response to baby animals versus adult animals. But even beyond that, people reported feeling cute aggression more in response to pictures of human babies that had been digitally enhanced to appear more infantile, and therefore “more cute”, by enlarging features like their eyes, cheeks, and foreheads.
The study also saw that respondents felt more overwhelmed and wanted to take care of cute baby animals over less cute adult animals. Cute aggression may serve as a tempering mechanism that allows us to function and actually take care of something we might first perceive as overwhelmingly cute.

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1.How many participants received the study?

A 27.

B 52.

C 54.

D 84.

解析：选B。细节理解题。根据第一段第三句They studied the brains of 52 participants and found that people have a strong reaction to pets and humans with more infantile features.可知共有52名参与者接受了这项研究，故选B。

2.What kind of animal is more attractive to people?

A Baby animals.

B Adult animals.

C Dead animals.

D Ugly animals.

解析：选A。细节理解题。根据第二段第一句The Yale researchers initially found that people reported feeling cute aggression more in response to baby animals versus adult animals.可知耶鲁大学的研究人员最初发现，与成年动物相比，人们对幼小动物的可爱侵略性更强烈，故选A。

3.Why did people more like the pictures of human babies digitally enhanced?

A People liked their babies.

B People took these pictures.

C These pictures were colorful.

D These pictures looked more infantile and more cute.

解析：选D。细节理解题。根据第二段第二句But even beyond that, people reported feeling cute aggression more in response to picture of human babies that had been digitally enhanced to appear more infantile, and therefore “more cute,” by enlarging features like their eyes, cheeks, and foreheads.可知这些通过数码处理强化后的婴儿照片更婴儿化，更可爱，故选D。

4.Which of the following is NOT true?

A Cute aggression is bad for human’s health.

B The study also saw that respondents felt more overwhelmed and wanted to take care of cute baby animals over less cute adult animals.

C Cute aggression may serve as a tempering mechanism that allows us to function.

D Cute aggression can let us actually take care of something we might first perceive as overwhelmingly cute.

解析：选A。细节理解题。根据第三段的内容可知，该研究还发现，与不太可爱的成年动物相比，被调查者会不可抑制地更想照顾可爱的小动物。可爱攻击性可以作为一种调节机制，让我们能够正常生活，并真正照顾那些我们一开始觉得超级可爱的东西，并未提到“可爱攻击性”对人体有害，故选A。

5.What’s the best title of the passage?

A Babies and pets.

B Adorable babies.

C Cute aggression.

D Cute animals.

解析：选C。文章标题题。通读全文可知，本文主要就人们看到可爱的东西想要捏一捏这一行为做出了相关解释，即“可爱侵略性”现象，故选C。