搜题请搜索小程序“爱下问搜题”
问题 单项选择题

小吨位模锻锤杆（承受小能量多次冲击力）材料为45Cr钢，技术要求硬度为40HRC左右，最终热处理应采用（）

A.淬火+低温回火

B.淬火+中温回火

C.调质

D.表面淬火

答案

参考答案：C

完形填空
完型填空。
     I work in a small shop. It is near __1__English school. Every day students come to__2__ things in
the shop. __3__ the morning, I get up at six, and then I have __4__. I go to work __5__ my bike. I get
to the shop at about six forty. The shop __6__open from 7:00 a.m. to 7:00 p.m. We __7__ many things
like food and drinks. We have school things, __8__. So there are __9__ people in our _10__ from
morning to evening.
( )1. A. /    
( )2. A. buy  
( )3. A. On    
( )4. A. food  
( )5. A. from  
( )6. A. do    
( )7. A. sells
( )8. A. too  
( )9. A. many  
( )10. A. shop 		B. a      
B. play  
B. At    
B. lunch  
B. on    
B. does  
B. to sell
B. two    
B. much  
B. home   		C. an      
C. like    
C. In      
C. dinner  
C. at      
C. are      
C. sell    
C. and      
C. great    
C. school   		D. the              
D. look            
D. For              
D. breakfast        
D. by              
D. is              
D. selling          
D. but              
D. no              
D. family          
查看答案
单项选择题

下列不属于房产税的税率的是( )。

A．1.2%

B．3%

C．4%

D．12%
查看答案