只用一本书提高英语听力能力!重温经典名著双语阅读小编推荐:跟着纪录片学英语不背单词和语法,轻松学英语
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[VOA标准] VOA标准精精听2019-12-20

提高英语听力能力 找对方法很重要!
Homework
Dogs and humans age in much the same way. They have the similar gene and get the same diseases. As pet they also share our environment. Researchers will look for life-style factors that also affect humans. Diet, activity level and where the dog lves in addition to genetics and medical history. One of the goals is to find out how to predict age-related diseases. Traditionally, in medicine, we have to wait until people are sick and we'll try to do something about that. We'll try to cure the disease.
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