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问题 单项选择题

男，28岁。外伤后发生急性肾衰竭。实验室检查：血钾>5．5mmol／L，可采用下列哪种方法降低血钾（）

A.大量补充平衡液

B.输入5％葡萄糖液500ml

C.H受体阻断剂

D.滴入25％葡萄糖溶液200ml

E.5％碳酸氢钠150ml静脉注射

答案

参考答案：E

写作题
下面是一份针对某市初中生的生活方式的调查问卷表（questionnaire）。该表包括问题、分值（scores）和结论。请先根据自己的实际情况完成问卷调查表，计算出自己的得分，再据此写一篇短文内容包括，简单描述你的生活方式，说出你的得分，并通过你的最后得分确定你的生活方式是否健康，并说出你今后的打算。
Middle school students’ lifestyle questionnaire
Your choice:
1. How often do you exercise?                                                
A. less than three times a week 
B. three to six times a week
C. every day
2. How long do you sleep every night?                                                                   
A. less than 7 hours     B. more than 9 hours.      C. 7-9 hours
3. How much TV do you watch without a stop every day?                        
A. more than 2 hours   B. 1 hour to 2 hours  C. less than half an hour
4. How often do you eat cakes, cookies, sweets, ice-cream and junk food?          
A. often                 B. sometimes          C. never
5. How often do you eat fruit and vegetables?                                                         
A. never                B. sometimes          C. often
6. How often do you walk to school?                                                              
A. never                B. sometimes          C. often
Scores:  A="1" point  B=2points   C="3" points     Your health score: 
Conclusion:
6~9 points: Not healthy at all. Need exercise. Watch less TV. Sleep enough hours. Need healthy food.
10~13 points: Not bad but not healthy enough. Need more exercise, sleep and healthier food.
14~18 points: Very healthy. Congratulations!
注意：1.描述生活方式请勿照抄原句，尽量用自己的话来写。
2. 字数不少于60。
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问答题 简答题

主缸不到位有何原因？如何处理？
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