第2题: [单项选择]The reason why birds don't get lost on long flights ______. A. have been known to scientists for many years B. have only recently been discovered C. are known by us D. will probably remain a mystery 参考答案:B 答案解析:见第一段中句子“Scientists have puzzled over this question for many years．Now they're beginning to fill in t
第18题: [单项选择]以下哪种情况不会出现对氯无反应的代谢性碱中毒（） A. Bartter综合征 B. 用利尿剂治疗 C. 原发性醛固酮增多症 D. 柯兴综合征 E. 肾动脉狭窄 参考答案:B
第19题: [单项选择]Questions 16 to 18 are based on the passage you have just heard. A. Because each fiat has its own car park. B. Because they always have flat roofs. C. Because they have more services. D. Because they are bigger. 参考答案:C 答案解析:[解析] 16-18 New blocks of fiats are being built which provide more services than people enj
第24题: [单项选择]甲企业某会计期间“固定资产”账户期末借方余额为2000000元，“累计折旧”账户期末贷方余额为800000元，“固定资产减值准备”账户期末贷方余额300000元。资产负债表中“固定资产”项目应填列( )元。 A. 1200000 B. 2000000 C. 1700000 D. 900000 参考答案:D 答案解析:[解析] 企业应当以“固定资产”总账科目余额，减去“累计折旧”和“固定资产减值准备”两个备抵类总账科目余额后的金额，作为资产负债表中“固定资产”的项目金额。因此，资产负债表中“固定资产”项目=2000
第25题: [多项选择]29岁，经产妇，39周妊娠，GPAL，合并子痫前期，羊水过多。经阴胎盘娩出后，客观的估计阴道出血量约1000ml。如应用药物效果不显著，患者仍出血较多，下列哪些操作不可行（）。 A. 宫腔填塞纱布条 B. 子宫动脉上行支结扎 C. 子宫动脉下行支结扎 D. 髂内动脉结扎 E. 腹主动脉结扎 F. 子宫切除 G. B-lynch缝合术 H. 温盐水纱布按摩子宫 参考答案:C, E
