问题 单项选择题

对流受热面中,()的磨损最严重。

A.省煤器

B.对流式再热器

C.空气预热器

D.对流管束

答案

参考答案:A

填空题

写出下列词语和句子的意思。

1.使弈秋诲二人弈。

使:                  诲:                         弈:                  

整句的意思是:                                                                                                            

2.我以日始出时去人近。  

以:                     始:                         去:                          

整句的意思是:                                                                                                             

3.孰为汝多知平?  

孰:                                汝:                          整:                                    

句的意思是:                                                                                                                 

4.为是其智弗若与?  

为:                                其:                                      

弗:                                与:                                 

整句的意思是:                                                                                                                 

判断题