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[医] 芦荟素试验(检粪血)
单词:aloin test 相关文章
Making your Introduction is a preview of our upcoming audio / ebook on presentations skills and language. In this first chapter we take a look at how to make a good start as well as at the overall structure of a presentation. This recording is a re-e
AUDIE CORNISH, HOST: This next story is about a unique relationship between people and a wild animal, a bird called the honeyguide. Like the name suggests, this bird will deliberately guide people to honey. NPR's Nell Greenfieldboyce reports a new st
Grammar Girl here. Today's topic is single quotation marks versus double quotation marks. Cyndy left this message on the MyChingo line: Hey Grammar Girl. I would love for a future topic to be on the use of quotes versus, I don't know, the single quot
阿美最近总是愁眉不展,那么是什么原因导致阿美这个样子呢?不要犹豫,快快往下看吧! Listen Read Learn May: I've been so stressed these days. Gucci: What's the matter? Are you OK? May: I don't know where to go for college, and what to major in. Gucci: D
By Barry Unger Washington, D.C. 03 January 2006 watch Sibling report A new study suggests siblings can share a high risk factor of heart disease. VOA's Amy Katz has more. Dr. Joanne Murabito Studies h
By Carol Pearson Washington, DC 13 July 2006 watch Exercise and Aging report Populations in western counties are aging. But this trend is also emerging in developing countries such as China. Keeping people healthy as they age affects not only a coun