A. graduations from schools and colleges B. social recognition C. socio-economic status D. certain behavioral changes 参考答案:D 答案解析:[解析] 事实细节题。第二段第二句中social ones 指代 social ceremonies,指出它已被一系列步骤所取代。第三句给出实例,从小学到中学再到大学构成了这个系列。[A]“社会认同”
第24题: [单项选择]What does the woman suggest A. She suggests that the man take a bus. B. She suggests that the man take a taxi. C. She suggests that the man walk home. 参考答案:B 答案解析:[听力原文] M: It’s very late and there is no bus now. F: You’d better call a taxi.
第34题: [单项选择]上消化道大出血,出现低血压,经输血补液后虽然血压正常,但出现少尿,考虑为急性肾功能衰竭,最有助于诊断的检查是()。 A. 尿常规+比重 B. 血常规 C. 血电解质测定 D. 血肌酐 参考答案:D 答案解析:由题目可判断上消化道大出血后,引起肾脏缺血,肾血流灌注减少引起急性肾衰,要想确诊,必须掌握急性肾衰的诊断检查项目。急性肾衰时的诊断标准为血肌酐绝对值每日平均增加44.2umol/l或88.4umol/l或血肌酐相对值24-72小时内增加25%-100。血肌酐正常值为76-88%umol。