男性，40岁，肝硬化腹水，数天大量利尿后出现嗜睡，多语，四肢有时抽搐，呼吸14次/分，血pH7.5，CO2CP：30mmol/L，HCO3-：31mmol/L，K+：3mmol/L，Cl-：90mmol/L，Na+：145mmol/L，Ca2+：3.5mmol/L，尿pH：5.0。其诊断是（）。
A.肝硬化并发肝性脑病前期
B.肝硬化并发肝肾综合征
C.肝硬化并发代谢性低钾、低氯、碱中毒
D.肝硬化、肝昏迷并发低钙血症
E.肝硬化并发肝癌
参考答案：C
解析：肝硬化。根据症状及其指标的，可以判断为肝硬化并发代谢性低钾、低氯、碱中毒。其他包含的不全面，所以排除。
| 完形填空。 阅读下面短文，从短文后所给的四个选项中，选出可以填入空白处的最佳选项。 A few minutes before six o'clock, Mr. Smith left the house. He just wanted to 1 the car when a gunman (持枪者) jumped up from the back seat. He 2 a gun to Mr. Smith's head. "Drive me to Paris!" he shouted. "All right," Mr. Smith answered. He started the engine (发动机), pulled away (开走) from the side of the street and 3 down. Being 81 years old, he knew he could not fight with the gunman. He knew he needed 4 . Where were the police? As he drove 5 each crossing, he looked up and down the side streets, hoping to find a police car, but he could see 6 . "Just my luck," he thought. "If I were driving too 7 , there would be a police car on every corner." Suddenly he pushed his 8 down on the accelerator (加速器), and the car went 9 faster. "What are you doing?" shouted the gunman. "To 10 the police," Mr. Smith answered. "I thought I saw a police car near there." He ran red lights, drove wrong on one-way streets. On the two-way streets, he drove on the wrong 11 of the road. Not one of the policemen saw him. Again, Mr. Smith's plan was not working. He had to try a 12 plan. He turned at a corner and saw the 13 in front. Then he drove his car as fast as he could towards the police gate. The car knocked a police motorbike over and stopped. Mr. Smith shouted, "Help! Help!" Then he 14 back to grab (抓住) the man's gun. At the same time the policemen heard the 15 and quickly caught the gunman. | ||||
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