第2题: [单项选择]营养不良患儿由于长期能量供应不足,导致自身组织消耗等表现,但除外() A. 低血糖 B. 脂肪肝 C. 低蛋白水肿 D. 细胞外液成低渗状态 E. 组织器官功能低下 参考答案:D 答案解析:考生应分析能量长期摄入不足,机体代谢紊乱的结果。糖原不足或消耗过多致低血糖;脂肪消耗致血清胆固醇下降、脂肪肝;蛋白质供给不足或消耗致血白蛋白下降、低蛋白水肿;由于全身总液量增多致细胞外液呈低渗状态。同
A. the exposure of DNA to the public is unnecessary B. the tiny cell in DNA is a neat little machine C. man actually knows nothing about DNA D. man has much to learn about DNA 参考答案:D 答案解析:细节推理题。根据第四段最后一句话“But just in the last few years it has become almost unbelievably complex,filled wit