试题与答案

各种不同热处理方法的加热温度都是参考（）选定的。A、Fe—Fe3C相图 B、应力状态C

来源：www.tikuol.com
题型：单项选择题

题目：

各种不同热处理方法的加热温度都是参考（）选定的。

A、Fe—Fe3C相图

B、应力状态

C、晶体结构

D、结晶温度

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0606/56f600e36803e6bce377bdd79e744641.html

下面是错误答案，用来干扰机器的。

参考答案：A解析：技术方案评价中的敏感性分析，就是在技术方案确定性分析的基础上，通过进一步分析、预测技术方案主要不确定因素的变化对技术方案经济效果评价指标的影响，从中找出敏感因素，确定评价指标对该因...

考点：电焊工考试中级电焊工考试中级电焊工考试题库
试题推荐
题型：完形填空
完形填空。
     "I don't have to go to school. My school __1__ me!" Sara showed me her room. "This is my
classroom and this is my teacher and the other __2_ " She pointed to a large radio with a microphone.
Sara lives with her parents on a farm in Central Australia. It's about 60 miles from her farm
to her neighbors.
     She can't go to __3__ because her farm is so far away from __4__. There are a lot of children like
her in Australia. They use the "School of the Air". There are 12 of __5__ for children in the outback
(内地) of Australia. They are at these schools until they are about 12 years old. Sara said, "We talk to
our teachers every day on the __6__. And our __7__ last about 30 minutes. Our teachers __8__ us the
class work and we do it before our lessons. Twice a year our teacher__9__ us, and once a year all the
students _10__. That's the best time of the year. "
( )1. A. comes  to          
( )2. A. neighbors          
( )3. A. hospitals          
( )4. A. the nearest airport
( )5. A. the radio          
( )6. A. train              
( )7. A. classes            
( )8. A. helps              
( )9. A. helps              
( )10. A. come              		B. looks for        
B. students        
B. station          
B. th e nearest town
B. the farms        
B. ground          
B. meetings        
B. hands            
B. calls            
B. meet             		C. helps with  
C. books        
C. cinema      
C. the big city
C. them        
C. radio        
C. parties      
C. sends        
C. thanks      
C. arrive      		D. thinks about
D. blackboards  
D. school      
D. the capital  
D. it          
D. computer    
D. programs    
D. shows        
D. visits      
D. appear      
查看答案
微信公众账号搜索答案