第2题: [多项选择]青春期身体素质发育有明显的阶段性,男孩和女孩的快速增长分别发生在()。 A. 7-10岁 B. 7-12岁 C. 7-15岁 D. 8-13岁 E. 8-14岁 参考答案:B, C 答案解析:青春期男女生长曲线的两次交叉现象由于在青春期存在的男女两性的生长突增的开始年龄、突增的幅度以及突增结束的时间不同,所以表现在生长曲线上会出现两次交叉现象。
第3题: [单项选择]患者,男,50岁。口腔内起白斑。检查见口腔内左侧黏膜及上腭灰白色光滑而微隆起的斑块,双侧前臂散在玫瑰样红色斑疹。低烧,头痛。患者自述阴茎部曾有过溃疡,已痊愈。根据上述症状,该患者最可能的诊断是() A. 盘状红斑狼疮 B. 多形性红斑 C. 扁平苔藓 D. 白斑 E. 梅毒 参考答案:E 答案解析:患者阴茎部曾有过溃疡后痊愈,口腔左侧黏膜上腭白色光滑而微隆起的斑块,双侧前臂散在玫瑰样红色斑疹。有低烧,头疼,是梅毒的临床表现。其他疾病不存在生殖器的溃疡史。梅毒血清试验:硬下疳发生2~3周后梅毒血清
第7题: [单项选择]下列哪项情况不能说明病人有产褥感染 A. 产后3天,会阴伤口红肿,有脓性分泌物 B. 产后5天,持续低热,恶露增多有臭味,下腹疼痛,有压痛感 C. 产后7天,宫底脐下2指 D. 产后1天,宫缩痛,哺乳时疼痛明显 E. 产后9天,出现弛张热,下肢持续性疼痛,伴水肿,皮肤发白 参考答案:D
参考答案:The National Bureau of Statistics announced that the number of working-age Chinese shrank last year by a total of 3.45m. This is a big turning point. The mobilisation of Chinese labour over the past 35 years has shaken the world. Never before has the global economy benefited from such big additions of human exertion. Now the additions seem to be over. How much surplus labor remains in China’s rural hinterland is a matter of great debate. Some economists think Chinese agriculture can still spare millions of workers. Others argue that China exhausted its surplus workers as early as 2004.