出国留学网专题频道2014年12月四级听力真题栏目，提供与2014年12月四级听力真题相关的所有资讯，希望我们所做的能让您感到满意！
12-20
2014年12月英语四级考试在今天上午结束了，小伙伴们考的如何呢？接下来出国留学网带大家回顾本次听力真题，同时为大家提供2014年12月英语四级听力真题及答案，即使考完了也要记得温故知新哦，希望能帮助到大家！
Passage 1
Scientists know how twins were born, now though, they are trying to explain how being half of the biological pair influences a twin’s identity. They want to know why many identical twins make similar choices even when they don’t leave near each other. For example, Jim Springer and Jim Louis are identical twins. They were separatedwhen they were only 4 months old. The two Jims grew up in different families and did not meet for 39 years. When they finally met, they discovered some surprising similarities between them. Both men were married twice, their first wives were named Linda, and their second wives were both named Betty. Both twins named their first sons James Allen. Scientists want to know what influences are personality. They study pairs of identical twins who grew up in different surroundings, like Jim Springer and Jim Louis. These twins help scientists understand the connection between environment and biology. Researchers at the University of Minnesota, studies 350 sets of identical twins who did not grow up together. They discovered many similarities in their personalities. Scientists believed that personality characteristics such as friendliness, shyness and fears are not result of environment. These characteristics are probably inherited. Scientists continue to study identical twins because they are...
2014年12月四级听力真题推荐访问
