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女，50岁，于1年前出现面色潮红，易出汗，血压波动在130～140/85～95mmHg之间，时常出现心烦，偶有心率加快，失眠，多梦。经内科检查未见明显异常，全科医生考虑以上症状均为围绝经期的表现。

该患者询问这些表现的原因，医生的正确回答是（）

A.卵巢分泌功能降低

B.肾上腺功能紊乱

C.促性腺释放激素降低

D.甲状腺功能亢进

E.促卵泡生长激素降低

答案

参考答案：A

单项选择题

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.

（71）处填（）。

A．hardware

B．computers

C．services

D．software
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选择题

自20 世界80 年代以来，香港的劳动密集型制造企业大量迁入内地。回答1-2 题。

1． 这种产业迁移 [     ]

A．是第三产业的迁移                    

B．是技术指向型产业的迁移

C． 阻碍了迁入地的城市化进展            

D．可能对迁入地的环境造成污染

2 ．  香港制造企业迁移的原因有： ①香港地价较高 ②内地服务业发达 ③内地工资水平较低 ④香港人工数量剧减 [     ]

A．  ①②        

B．  ①③          

C．  ②③        

D．  ②④
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