※ [18～20] .(3 ) A． . B．. C． . D． .

成年型家族性肌萎缩性侧索硬化发病与下列哪种因素相关（）

A.中毒因素

B.铜／锌超氧化物歧化酶（SOD1）基因突变

C.免疫因素

D.病毒感染

E.微量元素缺乏或堆积

西欧开辟新航路的最根本原因在于[ ]

A．西欧航海家们都相信地圆学说      

B．奥斯曼土耳其控制了传统商道

C．指南针已在欧洲得到普遍使用

D．商品经济发展和资本主义萌芽出

At a basic level,cloud computing is simply a means of delivering ITresources as ____(71)___.Almost all IT resources can be belivered as a cloud service:applications,compute power,storage capacity,networking,programming tools,even communication services and collaboration ____(72)____. Cloud computing began as large-scale Internet service providers such as Google,Amazon,and others built out their infrastructure.Anarchitecture emerged:massively scaled,____(73)____ distributed system resources,abstracted as virtual IT services and managed as continuously configured,pooled resources.In this architecture,the data is mostly resident on ___(74)___ "somewhere on the Internet" and the application runs on both the "cloud servers" and the user’s browser. Both clouds and grids are built to scale horizontally very efficiently.Both are built to withstand failures of ___(75)___ elements or nodes.Both are charged on a per-use basis.But while grids typically process batch jobs,with a defined start and end point,cloud services can be continuous.What’s more,clouds expand the types of resources available - file storage,databases,and Web services - and extend the applicability to Web and enterprise applications.

（75）处填（）。

A．entire

B．individual

C．general

D．separate

关于毁损换折业务，以下说法正确的是（）

A、办理毁损换折业务，凭证中需留存客户身份证复印件，代办的同时附代办人身份证复印件。

B、特殊业务申请书客户资料处、申请事项应填写完整（含客户编号15位升18位），客户确认签字，加盖柜员名章、业务用章，并经有权签字人审核签字。

C、客户本人办理的满页换折不用填写客户资料、不需有权签字人审核签字。

D、客户本人办理的满页换折仍需填写客户资料、留存本人身份证复印件、需有权签字人审核签字。

铬镀层的沉积是靠（）在阴极上放电形成。

A、六价铬

B、三价铬

C、硫酸根

D、铬酸根