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Scientists say that omega-3 fatty acids in fish oil can help people with heart disease live longer. But until now, no one knew why omega-3 oils are so beneficial. This is what coronary artery disease looks like. Plaque builds up inside the coronary a
发表于:2019-01-13 / 阅读(60) / 评论(0)
VOA标准英语2010年(一月)
TPO12 Lecture 1 6. What does the professor mainly discuss?(主旨题) A. How genes control human development. B. Why various types of human cells divide at different rates. C. How human chromosomes differ from one another. D. Why most human cells
发表于:2019-03-13 / 阅读(244) / 评论(0)
托福英语