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问题 多项选择题

炎症灶内的巨噬细胞在不同的致炎因子作用下可转变成（）

A.上皮样细胞

B.泡沫细胞

C.朗汉斯巨细胞

D.伤寒细胞

E.异物性多核巨细胞

答案

参考答案：A, B, C, D, E

完形填空
完形填空。
Dear Li Hua,
     Thank you   1   your last letter. Here are some photos   2   me and my twin sister Tina. As you can see,
in some ways we look   3  , and in some ways   4   look different. We both have blue eyes and brown   5  ,
although my hair is shorter   6   hers. We both   7   running and swimming, although Tina is more athletic
than me. She is   8   outgoing, and I'm quieter. I think I'm smarter than her. My   9   subjects are physics
and chemistry, and her favorite subject is P.E. However, we both enjoy  10  to parties and making friends
there.
     By the way, we haven't seen each  11  for more than a month, and I miss you very much. Can you write
 12  me or come to see me soon? 
                                                                                                                                              Love,
                                                                                                                                              Tara
( )1. A. for      
( )2. A. like         
( )3. A. same         
( )4. A. I            
( )5. A. nose         
( )6. A. as           
( )7. A. like         
( )8. A. more         
( )9. A. difficult  
( )10. A. going       
( )11. A. one another 
( )12. A. to          		B. about       
B. of           
B. different      
B. we             
B. teeth          
B. than             
B. don’t like  
B. less                 
B. favorite        
B. to go            
B. other         
B. for          		C. with              
C. by               
C. the same       
C. you              
C. hair               
C. so                  
C. never like                      
C. much              
C. important      
C. go                
C. another        
C. of             
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多项选择题

识别环境因素要考虑的时态有（）。

A.过去

B.现在

C.将来
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