第4题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. House sales company. B. Motor sales company. C. Food sales company. D. Travel agency. 参考答案:B 答案解析:[听力原文] What kind of company docs the man work fore
第9题: [单项选择]闭合性骨盆骨折可引起() A. 骨筋膜室综合征 B. 肾挫伤 C. 脂肪栓塞 D. 出血性休克 E. 骨化性肌炎(损伤性骨化) 参考答案:D 答案解析:骨盆主要为松质骨,盆壁肌肉多,邻近有许多动脉和静脉丛,血液供应丰富,因此骨折后可引起广泛出血。巨大血肿可沿腹膜后间隙蔓延,病人可发生出血性休克。闭合性成人股骨干骨折因为是闭合性,骨折处髓腔内血肿张力较