45

　　a specific area of the brain called the fusiform face area (FFA), which is used only for facial recognition. This means that recognition of familiar objects such as our clothes or cars, is from

　　46

　　in the brain. Researchers also have found that the brain needs to see the whole face for recognition to take place. It had been

　　47

　　thought that we only needed to see certain facial features. Meanwhile, research at University College London has found that facial recognition is not a single process, but

　　48

　　involves three steps. The first step appears to be an analysis of the physical features of a person’s face, which is similar to how we scan the bar codes of our groceries. In the next step, the brain decides whether the face we are looking at is already known or unknown to us. And finally, the brain furnishes the information we have collected about the person whose face we are looking at. This complex

　　49

　　is done in a split second so that we can behave quickly when reacting to certain situations.

　　3.（2017·福建卷）短文填词（共10小题;每小题1分,满分10分）

　　Every individual is a member of a group called the community, and it

　　is the duty of every citizen _____ ask what he can do for his community. 76. _____

　　A good citizen _____(相信) that he should serve the community

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