初三英语时文阅读（二）

材料一）你第一次见一对夫妻时，最先闪入脑海的是什么？相信大多数人都会琢磨一下这两个人有没有夫妻相。 Do elderly couples really look alike? You've probably seen it before---two elderly people walking hand in hand down the street and looking very much like each other. They look so much alike that they could be brother and sister. Do you believe that people who live together for many years would look alike? It's strange, but scientists say it's true. How scientists proved it? In a study, scientists found young couples only showed similarity by chance. However, elder couples were very likely to look like each other. The similarity could be very subtle and could be found in wrinkles, furrows, etc. Besides, some couples look far more alike than other couples. The reason behind it The scientists thought of several possible reasons: 1. Diet.

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