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男，64岁。拟行胃癌根治术，平素吸烟 20支/天。查体：T 37.59℃, P 90次/分，BP 155/95mmHg。血清 K+ 3. 0mmol/L, Alb 35g/L。正确的术前准备是：
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手术患者胃肠准备中要求术前12小时禁食，4小时禁水的目的是：
择期手术患者，手术前需要进行特殊准备的是
Directions: There is a short passage below. After reading it, you should give brief answers to the 5 questions (No.56 through No.60) that follow. The answer should be written after the corresponding numbers.Dear Guests,In order to serve you better, we are carrying out a reconstruction program at the hotel, which will improve our fitness facilities.We are currently working on our program on the 6th floor. We regret that the tennis court is not in operation.However, you are still welcome to use swimming pool. Please change into your swimsuit in your room.While this program is in progress, drilling (钻孔) work may create some noise during the following time schedule:9:00 a.m. to 11:00 a. m.4:00 p.m. to 6:00 p. m.We apologize for the inconvenience. Should you require any help during your stay with us, please call our Assistant Manager. He will be at your service any time of the day and night at 6120.Once again, thank you for your kind understanding and have a pleasant stay!Yours faithfully,Arthur WhiteGeneral Manager1. What will the hotel do in order to improve its fitness facilities?The hotel is .2. Which part of the hotel is not in operation now?The is not in operation now.3. When will the drilling work create some noise?From .4. Where is the reconstruction work going on at the moment?On .5. Who should the guests turn to if they have any problem?They should call the .
促使侗布发亮的印染材料是（）？
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