第5题: [单项选择]麻痹性痴呆病理变化,不正确的是() A. 涉及范围广泛,性质复杂 B. 仅侵犯大脑实质和脑膜 C. 以炎性及变性改变为主要特征 D. 病变程度以额叶最为显著 E. 大脑皮质中可发现游离铁质沉着和螺旋体 参考答案:B 答案解析:本病病理范围非常广泛,不仅侵犯大脑实质和脑膜,还可侵犯脑神经和脊髓等部位。
第20题: [单项选择]淋巴瘤的特征性临床表现是() A. 慢性、进行性、无痛性淋巴结肿大 B. 盗汗 C. 贫血 D. 消瘦 E. 肝脾大 参考答案:A 答案解析:淋巴瘤是淋巴组织恶性增殖性疾病,因此慢性、进行性、无痛性淋巴结肿大是其最典型的临床表现。其余各项虽也是淋巴瘤的临床表现,但无特异性,也常见于其他疾病。
第27题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. She decided to buy a gold necklace. B. She decided to buy a pair of gold earrings. C. She decided to buy a pair of gold earrings and necklace. D. She decides to buy a pair of silver earrings. 参考答案:B 答案解析:[听力原文] M: These silver earrings are only sixteen dollars this week. The gold ones are twenty-tour