单词：cardiocirculatory
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This is Scientific Americans Sixty-second Science. Im Cynthia Graber. This will just take a minute. Poor old spleen, it never got the recognition it deserved. Until now. Scientists had known that the spleen is part of our immune systems. But it was c
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听力题目： 17.(A). Henry was startled by the dogs bark. (B). The dog barked because Henry was jumping. (C). Henry jumped over the dog. (D). The dog barked in spite of Henrys commands. 18.(A). He explained all about the circulatory system. (B). H
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We asked members of the BuzzFeed Community to tell us their stories of lifestyle transformation and how they did it. We got tons of stories, about getting sober, about taking up exercise, about giving up soda and fast food, about getting into therapy
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They say Jan. 18 or Blue Monday is the most depressing day of the year, but they're wrong. The most depressing day of the year is today, because you're about to find out how and when you're most likely to die. 人们总说蓝色星期一，即1月18号
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We're back with the first lady Michelle Obama,and Now you have this Let's move campaign 节目开始 今天的嘉宾是第一夫人米歇尔奥巴马 你们展开了这次让我们动起来的活动 Which I love,I think that's you know,planting the g
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