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问题 单项选择题 A1型题

在剩余牙槽嵴中度吸收的情况下，下颌全口义齿基托边缘在下列哪种位置过短时会明显影响固位（）

A.下颌隆突区

B.颌颊侧翼缘区

C.下颌舌侧翼缘区

D.唇侧边缘

E.舌系带

答案

参考答案：C

单项选择题

At a basic level, cloud computing is simply a means of delivering IT resources as （）. Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, networking, programming tools, even communication services and collaboration （）. Cloud computing began as large-scale Internet service providers such as Google, Amazon, and others built out their infrastructure. An architecture emerged: massively scaled, （） distributed system resources, abstracted as virtual IT services and managed as continuously configured, pooled resources. In this architecture, the data is mostly resident on （） "somewhere on the Intemet" 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 towithstand failures of （） 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 servics 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.

An architecture emerged: massively scaled, （） distributed system resources, abstracted as virtual IT services and managed as continuously configured, pooled resources.

A．horlzontally

B．vertically

C．inclined

D．decreasingly
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多项选择题

哪些检查有助于重症肌无力的诊断（）

A.肌肉疲劳试验

B.血清中AchRAb

C.低频神经重复电刺激

D.腾喜龙或新斯的明试验

E.胸部CT
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