凡尔赛—华盛顿体系所体现的国际关系的实质是（）A、战后须建立新的国际秩序 B、帝国主

有一块金属，质量为11.7kg，体积为1.5dm³，则这块的密度是______kg/m³，由此可判断这金属的种类． 若将这块金属分成四等份，则每一块的密度是______kg/m³．

Census data for Prenland show that unmarried Prenlandic men in their thirties outnumber unmarried Prenlandic women in that age group by about ten to one. Most of these men do wish to marry. Clearly, however, unless many of them marry women who are not Prenlandic, all but a minority will remain unmarried.
The argument makes which of the following assumptions

A．Emigration from Prenland is more common among women than among men.

B．A greater proportion of Prenlandic women in their thirties than of Prenlandic men of the same age would prefer to remain unmarried.

C．It is unlikely that many of these unmarried Prenlandic men will marry women more than a few years older than themselves.

D．Prenland has a high rate of divorce.

E．(E) Most of the unmarried Prenlandic men are unwilling to marry women who are not Prenlandic.

冬天会结上美丽的窗花，窗花是结在：（）

A、室外

B、室内

C、公园

发明专利申请的实审程序，有下列哪种可能？（）

A.发明专利申请，审查员发出第一次审查意见通知书，申请人逾期未答复被视为撤回

B.发明专利申请未发现驳回理由，审查员作出授予专利权的通知

C.发明专利申请不具有新颖性或创造性或实用性被驳回

D.未缴纳申请维持费，被视为撤回

计算机网络一般由工作站、（）、外围设备和一组通信协议组成。

A、集线器

B、服务器

C、适配器

D、交换机