第3题: [单项选择]Passage Two Questions 30 to 32 are based on the passage you have just heard. A. The internet address. B. A giant network of computers. C. An electronic mail. D. The US postal servic 参考答案:B 答案解析:[听力原文] 30-32 Ladies and gentlemen, (30) when we talk about getting on line we mean being conn
第36题: [单项选择]对于卵巢肿瘤蒂扭转哪种说法是不恰当的() A. 有时扭转可自然复位 B. 妇科检查瘤体部压痛最明显 C. 典型症状为突发一侧下腹剧痛伴恶心、呕吐 D. 肿瘤扭转时间长可继发破裂与感染 E. 一经确诊即开腹手术 参考答案:B 答案解析:卵巢肿瘤扭转的蒂由骨盆漏斗韧带、卵巢固有韧带和输卵管组成。发生急性扭转后,因静脉回流受阻,瘤内充血或血管破裂致瘤内出血,导致瘤体迅速增大。若动脉血流受阻,肿瘤可发生坏死、破裂和继发感染。蒂扭转的典型症