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问题 单项选择题

关于溃疡性结肠炎，下列说法错误的是：（）

A.本病常见于20～40岁

B.病变以直肠及乙状结肠最多见

C.病变常深达肌层

D.随病程延长，结肠癌发病率增加

E.可并有慢性活动性肝炎、关节炎、结节性红斑

答案

参考答案：C

填空题

船舶（）是指船上厕所和便池的粪便水、医务室的排水等。
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补全对话，情景问答
Read and answer. (找答语，将右栏答语前的序号填在前面的括号内。)
( )How many kites can you see?  
( )Where are you from?          
( )Do you like peaches?        
( )How many books do you have?  
( )Can I use your pen?          
( )Look at the deer.            
( )Where is my pencil?          
( )Let's have some pears.      
( )Who's that boy?            
( )Happy Women's Day!          		1. It's in your bag.  
2. I have twelve.      
3. OK!                
4. I'm from China.    
5. It's short.        
6. Thank you.          
7. No problem.        
8. No , I don't.      
9. I can see eleven.  
10. He's my brother.                                           
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