题目内容

与全口义齿固位无关的是（）

A. 基托面积
B. 牙槽嵴形态
C. 黏膜性质
D. 唾液性质
E. 牙合平衡

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在运输市场预测方法中，根据基期年度运量及运量平均发展速度或增长速度来预测计划年度运量的方法，属于（）。

A. 模型计算法
B. 比例推算法
C. 平衡估算法
D. 水平法

Sun Stable is a global insurance company with headquarters located in Houston, Texas. The campus there is made up of a number of office buildings located within the same vicinity. In 2003, a new building, Building 331B was added. The additional building houses approximately 1000 employees. Rather than deploy a private branch exchange (PBX) in the new building, Sun Stable has decided to implement an IP telephony solution. External calls will be carried across a MAN link to another building, where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail and unified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets.Which IP telephony deployment best suits their need?（）

A. single-site.
B. multisite with centralized call processing
C. multisite with distributed call processing
D. clustering over the WAN

适度滞后型消费模式

冶金焦质量标准允许焦炭最高含硫量不得大于（）

A. 1%
B. 2%
C. 3%
D. 4%