题目内容
阅读下列说明，回答问题1至问题4，将解答填入对应栏内。
【说明】
媒体点播(Media On Demand，MOD)涉及许多基本的多媒体网络通信问题，交互式电视(Interactive TV，ITV)是基于家庭电视的媒体点播系统，它支持不断增长的多媒体交互服务。
为了在传统电视上实现ITV的功能，一般使用机顶盒(Set-Top Box)设备。下图是一个机顶盒的应用结构图。
请简单解释机顶盒中下列功能单元的基本构成及作用：
网络接口和通信单元，处理单元，音频视频单元，图形单元，外设控制单元。
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According to Tawanna Dillahunt and colleagues, successes in saving energy by Facebook and
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The Netherlands has placed the rights of pedestrians before those of cars in such areas called______.
Although the climb up the corporate ladder seems to be going
slowly for woman, corporate America would benefit from having
more women in senior management positions. Not only did 【S1】______
woman represent a large untapped (末开发的) pool of talent, they
also bring an alternate perspective to management teams. In 【S2】______
addition, women account with about 80 percent of U.S. consumer 【S3】______
spending, making their input at the executive level unvaluable. 【S4】______
Industry experts have pinpointed several stumbling block to 【S5】______
women's progress up to the corporate ladder. Among these barriers
are the stereotypes and preconceived notions of women what some 【S6】______
men in managerial positions still bring to the recruiting process. In
addition, because women are often included from the informal 【S7】______
network outside the office—for example, by not giving seasons 【S8】______
tickets to sporting events and by not being invited to play golf
they miss out on the opportunity to build relationships. Other
impediments include difficulties in balancing between career and 【S9】______
family, lack of general management experience, reluctant to travel 【S10】______
or to relocate, and inhospitable corporate cultures that drive
women away before they are ready for executive positions.
【S1】
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