第17题: [简答题]The advantages and disadvantages of a large population have long been a subject of discussion among economists. It has been argued that the supply of good land is limited. To feed a large population, inferior land must be cultivated and the good land worked intensively. 参考答案: 答案解析:人多的优势和劣势长期以来一直是经济学家们讨论的话题。有人说肥沃土地的供给量很有限。为了养活大量的人口,人们必须开垦贫瘠的土地,过度开发肥沃的土地。
第23题: [单项选择]血瘀型经间期出血的临床表现() A. 经间期出血,量少,色红,心烦失眠,头晕腰酸,潮热盗汗 B. 经间期出血,量多,色淡红,无血块,小腹坠胀疼痛 C. 经间期出血,量或多或少,色暗红有血块,小腹胀痛,腰骶酸痛,小便清长 D. 经间期出血,量多或少,色红,质黏稠,平索带下量多,色黄,神疲乏力,胸闷烦躁 E. 经间期出血,量或多或少,色紫暗,伴血块,少腹两侧刺痛 参考答案:E