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问题 单项选择题

以下对婴幼儿使用抗生素叙述正确的是（）

A.因庆大霉素无需做皮试，方便，故儿童感染性疾病可首选

B.大部分婴幼儿感染性腹泻使用抗生素既不能缩短病程也不

C.喹诺酮类抗生素应作为儿童的主导抗菌药

D.儿童可安全使用四环素

答案

参考答案：B

完形填空
完形填空。

        Mr. Green heard that a certain government department (政府部门) wanted a clerk (职员),    1    he
wrote and    2    the position (职位). But while he was waiting for     3    , a friend of his introduced (介绍)
him to the head of the department. And the head at once gave him     4   .
       Several months     5   ,     6    Mr. Green was working in the department, he got a letter from his old
address. This letter said:
"Dear Sir,
        We are     7    to have to tell you that we cannot offer (提供) you the work in this department because
we do not think that you would     8    do the job successfully (成功地). Yours Faithfully," Mr. Green laughed,
but when he looked at the letter more     9    he was   10   to see that he signed (签名) it himself!

( )1. A. but      
( )2. A. go ready for
( )3. A. an answer  
( )4. A. the pay   
( )5. A. later    
( )6. A. so       
( )7. A. happy     
( )8. A. have to   
( )9. A. quietly   
( )10. A. worried   		B. so         
B. looked for    
B. his friend  
B. the address  
B. ago        
B. then        
B. sorry       
B. love to     
B. politely   
B. lucky      		C. or          
C. took        
C. the position    
C. the work      
C. before       
C. while           
C. sure        
C. be glad to      
C. carefully      
C. sad    		D. and                        
D. asked for            
D. the head                
D. a letter            
D. since                   
D. after                      
D. pleased                
D. be able to            
D. quickly                 
D. surprised (惊奇的)
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问答题 简答题

空心螺丝铆钉铆接（抽钉铆接）的要求是什么？
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