血液中除去血细胞的液体部分是 A．细胞外液 B．细胞内液 C．血浆 D．血清 E．组 发布时间：2017-07-06 09:31 │ 来源：www.tikuol.com 题型：单项选择题 问题： 血液中除去血细胞的液体部分是A．细胞外液B．细胞内液C．血浆D．血清E．组织液
题型：单项选择题 阅读下面的短文，从文后方框中选择恰当的句子填入文中空白处。 When you read this sentence, the population of the earth has grown by 10 people. 1.________ Most of these new people are born in developing countries. 2.________ In the developed countries of Europe and North America, the population is growing very slowly. This is because women in these countries have, on average (平均), only one or two children. 3.________ In the developing countries, more than one billion people already live below the poverty line (贫困线). 4.________ Children get little or no time at school and suffer from many kinds of diseases. The UN has said that the world's population will reach 12.5 billion people by the year 2100. If the number makes your headspinning (眩晕), you're not alone. Many experts are worrying that so fast population growth could have very bad results. 5.________ A. These countries are found in much of Africa, South America and parts of Asia. B. These people don't have enough food to eat and they live in poor housing. C. That may not sound much, but it's about 14,000 people per hour. D. But in the developing countries, many women have five or more children. E. It could hurt the environment and increase the number of poor people. 查看答案
题型：单项选择题 患儿，6岁，发热7d，呈弛张热，伴纳差、神萎，发病前有腹泻病史，近3天躯干部出现风团及细小出血点。心率120/min，心音低钝，二肺未闻及异常，肝肋下3cm，血白细胞13×109/L，中性粒细胞0.85，淋巴细胞0.15，有中毒颗粒，肝B超示有脓肿二处，其可能的诊断是：（）A.金黄色葡萄球菌败血症B.表皮葡萄球菌败血症C.大肠杆菌性败血症D.链球菌性败血症E.绿脓杆菌性败血症 查看答案