问题 单项选择题

(29~34题共用题干)  男,45岁。因阵发性剧烈头痛、心前区紧迫感发作3次入院。本次发作5分钟即入院,诉发作时面色苍白,心悸、大汗淋漓、恶心欲吐。入院测血压200/130mmHg,心率128次/分,律不齐。

为明确诊断,可立即采取何种检查:

A.血皮质醇节律测定

B.大、小剂量地塞米松抑制试验酚

C.冷压试验

D.妥拉明抑制试验

E.胰升糖素刺激试验

答案

参考答案:D

完形填空
完形填空。
     Villagers are much healthier than people who live in towns. One reason for this is country air is fresher
than the air in smoky  1 . The villagers breathe fresh clean air all day in the fields, but the air the towns men 
 2  is always full of smoke and dust.
     We cannot live without air. If we are stopped from breathing  3  for five minutes, we will die. Bad air
means bad health and certain kinds of  4 , which may kill us in the end,  5  they may not kill us at once.
     We all  6  what unpleasant feelings we get if we stay a long time in a closed, crowded room. After a time,
we begin to feel very  7 . and can hardly keep our eyes open. The longer we stay, the worse we feel. How
nice it is when we get  8  into the fresh air outside!
    We must keep our windows open, so that the  9  in our house is always fresh, and we should breathe as
much as we can in the open air. For people who breathe  10  air for a long time often get very ill and die of
lung diseases.
( )1. A. cities
( )2. A. eat  
( )3. A. as   
( )4. A. death
( )5. A. so   
( )6. A. know 
( )7. A. hot  
( )8. A. up   
( )9. A. air  
( )10. A. dry 
B. fields   
B. smell    
B. even     
B. illnesses
B. since    
B. fear     
B. sleepy   
B. out      
B. furniture
B. clean    
C. factories   
C. breathe     
C. still       
C. accidents   
C. though      
C. expect                      
C. lonely      
C. down        
C. environment 
C. bad         
单项选择题