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 2019年12月英语六级听力答案解析:听力篇章2

Recording 2 人类婴儿的能力

In last week’s lecture, we discussed the characteristics of the newly born offspring of several mammals. You probably remember that human infants are less developed physically than other mammals of the same age. But [19] in today’s lecture, we’ll look at three very interesting studies that hint at surprising abilities of human babies.

In the first study, three-year-olds watch two videos shown side by side. Each featuring a different researcher, one of whom they’d met once two years earlier. The children spend longer watching the video showing the researcher they hadn’t met. This is consistent with young children’s usual tendency to look longer at things that aren’t familiar. And really this is amazing. It suggests the children remember the researcher they’ve met just one time when they were only one-year-olds. Of course, as most of us forget memories from our first few years as we grow older, this early long-turn memories will likely be lost in subsequent years.

Our second study is about music, for this study researchers play music to babies through speakers located on either side of a human face. They waited until the babies got bored and inverted their gaze from the face. And then they change the mood in the music either from sad to happy or the other way around. This mood switch made no difference to the three-month-olds; but for the nine-month-olds, it was enough to renew their interest and they started looking again in the direction of the face. [20] This suggests that babies of that age can tell the difference between a happy melody and a sad tune.

Our final study is from 1980, but it’s still relevant today. In fact, [21] it’s one of the most famous pieces of research about infant emotion ever published. The study involved ordinary adults watching video clips of babies nine months or younger. In the video clips, the babies made various facial expressions in response to real life events including playful interactions and painful ones. The adult observers were able to reliably discern an assortment of emotions on the babies faces. These emotions included interest, joy, surprise, sadness, anger, disgust, contempt, and fear.

Next week, we’ll be looking at this last study more closely. In fact, we will be viewing some of the video clips from that study. And together, see how well we do in discerning the babies’ emotions.

Questions 19 to 21 are based on the recording you have just heard.

Q19: What are the three interesting studies about?

D) Abilities of human babies.

Q20: What does the second study find about nine-month-old babies?

A) They can distinguish a happy tune form a sad one.

Q21: What is the 1980 study about?

B) Baby emotions.

责任编辑:杨林宇

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