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A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w
英语情景对话-健康
A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d
英语情景对话-健康
Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have
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1. Former Russian President Boris Yeltsin has died at the age of 76. He is credited with engineering the collapse of the Soviet Union and introducing a market economy to the former communist state. 2. Thousands of Virginia Tech students paid solemn
美联社新闻一分钟2007
A study looks at mutations that seem to play a part in extending longevity, while limiting growth. Transcript of radio broadcast: 10 June 2008 This is the VOA Special English Health Report. Five women in Rolla, Missouri, all at least 100 years old S
VOA慢速英语2008年（六）月
Before you next flush the toilet, consider this: Scientists in Singapore have developed battery powered by（用…推动的） urine（尿）. 下次冲厕所之前，请不要忘记下面的介绍：新
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