单词：recirculatory
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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
发表于:2018-12-24 / 阅读(96) / 评论(0)
Scientific American(八)月
Scientific American(八)月
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
发表于:2019-01-18 / 阅读(85) / 评论(0)
托福听力单句训练
托福听力单句训练
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
发表于:2019-02-18 / 阅读(87) / 评论(0)
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