【背景】 血型分类: 一般常见A、B、AB和O四种,另外还有RH、MNS、P等极为稀少的10余种血型系统。其中,AB型可以接受任何血型的血液输入,因此被称作万能受血者,O型可以输出给任何血型的人

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新英语口语900句 看病 556. I went to see my doctor and had a check-up yesterday. 昨天我去请医生作了一次检查。 557. He gave me a chest X-ray and took my blood pressure. 他给我做了X光胸透并量了血压。 558. I keep feeli

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 新英语口语900句

So you think I'm courageous? she asked. Yes, I do. Perhaps I am. But that's because I've had some inspiring teachers. I'll tell you about one of them. Many years ago, when I worked as a volunteer at Stanford Hospital, I got to know a little girl name

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HEALTH REPORT - Blood Transfusion Blamed for Second 'Mad Cow' Infection in Humans By Cynthia Kirk Broadcast: Wednesday, August 18, 2004 This is Gwen Outen with the VOA Special English Health Report. B

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Anti-Retrovirals Reduce HIV Transmissions Among Heterosexual Couples in Africa Kenya's health-care system has little more than half of the blood supply it needs for transfusions, often resulting in only the most urgent cases being taken care of. Bloo

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So you think I'm courageous? she asked. Yes, I do. Perhaps I am. But that's because I've had some inspiring teachers. I'll tell you about one of them. Many years ago, when I worked as a volunteer at Stanford Hospital, I got to know a little girl name

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