泰国洪灾从另一个方面证明了世界的物质性，世界是物质的，世界的真正统一性在于它的物

________ does it take you to do your homework every day?

A．How often

B．How long

C．How many

D．How far

— How long have they____?

— They ____more than twenty years ago. [ ]

A. got married; were married

B. been married; got married

C. married ; married

D. got married ; got married

客户身份识别中的保密要求是指，金融机构应保护商业秘密和个人隐私，妥善保存客户身份识别过程中获取的客户身份信息和交易信息。

骨瘤（）

A.好发于颅骨和下颌骨

B.好发于手和足的管状骨

C.好发于骶尾椎和颅底蝶枕部

D.好发于股骨下端、胫骨或腓骨上端和肱骨上端

E.好发于下肢长骨骨干

水下气割又称为（）。

A、氧-弧水下热切割

B、氧-可燃气热切割

C、金属-电弧水下热切割