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 aging much the same way. They have a similar g and get the same diseases. As pets, they also share our environment. Researchers will look for life style factors that also affect human such as diet、 activity level and where the dog lives in addition to genetics and medical history. One of the goals is to find out how to prevent age-related diseases. Traditionally, in media, we have waited until people are sick and then we try to do something about it. 
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