以下关于物流产业的说法错误的是（） ["物流产业是单一行业","物流产业是基础产业","物流产业是服务业","物流产业是综合性产业"]
工程具备竣工验收条件的，项目法人应当提出竣工验收申请，经法人验收监督管理机关审查后报竣工验收主持单位。竣工验收主持单位应当自收到竣工验收申请之日起（）个工作日内决定是否同意进行竣工验收。 ["20","30","45","90"]
Given: What is the result？（） ["The file will compile without error.","Compilation fails. Only line 7 contains an error.","Compilation fails. Only line 12 contains an error.","Compilation fails. Only line 13 contains an error.","Compilation fails. Only lines 7 and 12 contain errors."]
You are using the backup scheduler in Enterprise Manager （EM） to schedule a backup of your database. Which type of script does the backup scheduler generate？ （） ["SQL script","PL\/SQL script","Operating System （OS） script","Enterprise Manager （EM） script","Recovery Manager （RMAN） script"]
变压器温升是指（）。 [".一二次线圈温度之差","线圈与上层油温之差","上层油温与变压器周围温度之差"]
铰刀制成粗铰刀和精铰刀，目的是为了减轻单把铰刀的切削（），同时提高铰孔的（）和（）。
