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问题 单项选择题

串的长度是（）。

A.串中不同字符的个数

B.串中不同字母的个数

C.串中所含字符的个数且字符个数大于零

D.串中所含字符的个数

答案

参考答案：D

阅读理解
阅读理解。
              Welcome to the United States of America              
1. First (Given) name                                         
2. Date of birth (dd / mm / yy)                                   
3. Flight                                                      
4. Number of family members traveling with you                 
5. Country of citizenship                                      
6. Purpose of visit                                            
7. Are you carrying any of these things:                       
    Food, animals, plants, guns or cash over 10,000?            
8. Have you had any illnesses in the last 3 months?            
9. How long will you be staying in the USA?                    
10. Is this your first visit to the USA?                       
11. In which city will you spend the most time during your stay?
12. What is your next destination?                             
landing card

William       
12 / 08 / 94  
No. AA3751    
None          
Spain         
To see family 
              
Some chocolate
No            
Two weeks     
No            
New York      
Madrid, Spain 
1. William's birthday is ________.
A. the 12th, August
B. the 8th December
C. the 12th, December
D. the 8th August
2. Where is William from?
A. America.
B. Spain.
C. England.
D. China.
3. How long will William stay in the USA? 
A. Two weeks.
B. One week.
C. Two months.
D. One month.
4. Where do you find the card?
A. At the school.
B. At the bus stop.
C. In the airplane.
D. In the hospital.
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单项选择题 A型题

不得重复列入抗菌药物供应目录的是（）

A.具有相似或者相同的药物分子结构特征的抗菌药物

B.具有相似或者相同的药物理化性质的抗菌药物

C.具有相似或者相同的药代动力学特征的抗菌药物

D.具有相似或者相同的药理学特征的抗菌药物

E.具有相似或者相同的适应证的抗菌药物
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