热工常用仪表阀门种类（以材质分）？常用在哪些部位？
This is Mr. Green and this is Mr. Brown.（） ["How do you do","How are you","Fine, thank you","Hi, how are you getting o"]
无粘性土坡的稳定性土坡的（）无关。 ["A.密实度","B.坡高","C.土的内摩擦角","D.坡角"]
可以挫败一个信念的简单方法是（）。 ["感觉","行动","推理","逻辑"]
已办理约定转存的通知存款，可再办理“通知存款预约”手续。（）
矿井“四量”是什么？
