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问题 选择题

— What's the temperature outside?

— It's thirty degrees. I'm going to __________ my sweater.[ ]

A. put on                                          

B. take off 

答案

答案：B

连线题
你来问，我来答，选一选。
(    ) 1. What's your favorite food?  
(    ) 2. Would you like some apples?  
(    ) 3. Is ice cream cool or warm?  
(    ) 4. Do you like fruit?          
(    ) 5. How many peaches do you have?		A. Yes, please.
B. It's cool.  
C. Dumplings.  
D. Fifteen.    
E. No, I don't.
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单项选择题

急性白血病患者引起贫血的最主要原因是

A．白血病克隆抑制正常造血干细胞

B．造血原料缺乏

C．出血

D．无效性红细胞生成

E．红细胞寿命缩短
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