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问题 单项选择题

已知某加热炉每小时加热270t钢坯，炉子有效长度为32.5m，加热的板坯间距为50mm，板坯宽700mm，该加热炉可装（）块板坯。

A.32

B.43

C.50

D.70

答案

参考答案：B

补全对话，情景问答
从Ⅱ栏中找出与Ⅰ栏相对应的答语。
                   Ⅰ
( )1. Is that boy your brother?   
( )2. Where is his hat?      
( )3. Is her photo in the drawer? 
( )4. Can you bring the bag to me? 
( )5. Where are my shoes?     		         Ⅱ
A. No, it isn't.        
B. OK.                  
C. They're under the bed.
D. Yes, he is.                                                                 
E. Sorry, I don't know. 
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单项选择题

男，23岁，左膝部运动后疼痛，结合影像学检查，最可能的诊断是（）

A.骨巨细胞瘤

B.动脉瘤样骨囊肿

C.骨纤维异常增殖症

D.骨囊肿并骨折

E.骨脓肿
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