问题 单项选择题

男性,40岁,8个月前行二尖瓣机械瓣置换术,1个月来发热,体温37.5~38.5℃。化验Hb 82g/L,尿RBC 5~6个/HP,血培养结果未回报。治疗应首选哪种药物

A.青霉素

B.链霉素

C.头孢菌素

D.两性霉素

答案

参考答案:A

解析:此患者为晚期人工瓣心内膜炎,感染以草绿色链球菌为主,首选青霉素治疗。

完形填空
完型填空。
     Last Friday our class had a barbecue (烧烤) in the Forest Bay. We    1    at the school gate at 7:00 in
the morning. Half an hour later our school bus    2    us to the Forest Bay. Our wonderful day began.
When we    3    there, we started playing different ball games on the beach. At 11:00 we began to prepare (准备)    4    . First, a    5    of us walked around the hill near the Bay to pick branches(树枝) for fire, and
then we began cooking the food on the barbecue by    6   . We got excited. We cooked the meat , potatoes and    7    food on the fire happily. They smelled good. I thought our food tasted    8    than food in any
restaurant. After lunch, we put out (扑灭) the fire and    9    the beach. At 3:00 we went swimming in the
water. It is quite different   10   indoor swimming. We left the Forest Bay at 5:00 and had a great time.
( )1. A. called    
( )2. A. paid      
( )3. A. left      
( )4. A. breakfast
( )5. A. either    
( )6. A. yourself  
( )7. A. another  
( )8. A. good      
( )9. A. cleaned  
( )10. A. of      
B. met        
B. took      
B. reach      
B. lunch      
B. neither    
B. yourselves
B. other      
B. well      
B. played    
B. in        
C. came      
C. spent    
C. got      
C. supper    
C. both      
C. ourselves
C. the other
C. better    
C. slept    
C. from      
D. went      
D. had      
D. arrive    
D. dinner    
D. all      
D. myself    
D. others    
D. best      
D. enjoyed  
D. into      
单项选择题