压力容器主要的的无损检测方法包括射线、超声、磁粉、渗透。
参考答案：对
---Where is your father?
---He_________ Australia and he ________ Sydney for two weeks.
A．has been to; has been in
B．has gone to ; has been in
C．has been in; has been to
D．has gone to ; has been to
下列财务理论中属于国内处于主流研究而国际处于非主流研究的有（）。①认股权与资产证券化②财务信息的公开披露③财务控制与财务分析④衍生金融工具理论与实务⑤物价变动下的财务问题
A.①②③
B.①③④
C.②③④
D.③④⑤
