问题 单项选择题

裂解气干燥器切换应具备的条件是()。

A.备用台裂解气充压完备

B.备用台裂解气充压结束并稍作流通

C.备用台裂解气流通充分,出口温度15℃左右

D.备用与运行台压力相同即可切换

答案

参考答案:C

材料分析题

初中生明明在学习上从来不让父母操心;在家里还经常帮助妈妈做些家务活。可是最近的一件事情让明明很烦心:爸爸在一次酒后驾车中闯了红灯,爸爸要求明明帮助隐瞒事情的真相;他答应了爸爸的要求,觉得这样才是“孝子”。结合材料,谈谈我们应该如何孝敬父母。 

                                                                                                                                                               

                                                                                                                                                              

                                                                                                                                                               

                                                                                                                                                                

                                                                                                                                                                

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

多项选择题