问题 单项选择题

关于浇口盆的制作形式,下述说法正确的是()。

A.浇口盆是用砂箱单独制成的

B.浇口盆可直接在铸型直浇道顶部作出

C.浇口盆一般采用脱箱造型单独制作

D.浇口盆都应采用成形耐火材料制成

答案

参考答案:A

材料题

阅读下列材料:  

“人生自古谁无死,留取丹心照汗青。”   

请回答:  

(1)这是我国古代哪位历史人物留下的名言?他生活在什么时代? 

                                                                                                                                                             

(2)你能理解它的意思吗?   

                                                                                                                                                             

(3)你认为作者是一个怎样的人物?请谈谈你的看法。

                                                                                                                                                             

                                                                                                                                                             

选择题