搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下列决定构件在基本变形状态下能否安全工作的因素中，属于破坏因素的是( )。

A．构件横截面积

B．作用在构件上的力

C．构件自身强度

D．构件自身刚度

答案

参考答案：B

补全对话，情景问答
情景对话。从Ⅱ栏中找出与Ⅰ栏对应的答语。
                           Ⅰ                                     
( )1. The movie is 
            wonderful.                                                 
(     )2. Let's go boating on the river.
(     )3. Would you please show me 
            your stamps?                           
(     )4. Where are we going to meet?    
(     )5. Is she going there, too?                             		                Ⅱ                                   
A. No. she's going to the 
     market.                                        
B. I don't agree. It is terrible.                                       
C. All right.                        
D. Good idea.                       
E. What about meeting 
     outside the zoo?                 
查看答案
名词解释

耐热钢
查看答案