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慢速] VOA慢速精精听2019-10-10

提高英语听力能力 找对方法很重要!
Researchers used 80 economic measures to arrive at the final ratings. This included traditional measures like investment in research and development, as well as the international patterns and trade marks.... More modern measures include the number of mobile phone appilcations and high technology exports produced. The researchers can sit different industries within each economy. The new report also has a pecial area on medical innovation. It describes artificial intelligence, geno mix and mobile lealth applications as areas that will change the way health care is provided for rich and developing nations.
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