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主偏角

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大规模定制

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男性，35岁，常有胸隐痛，感觉全身有强烈搏动感，头颈部尤著，遇急事动作略快速时即有眩晕发作，心脏闻及病理性杂音，脉压增宽，拟诊为主动脉瓣关闭不全。如欲明确诊断，下列哪项病史最重要（）

A. 高血压史
B. 癫癎大发作史
C. 外伤史
D. 家族史
E. 风湿活动史

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You create a master page named Template.master. Template.master contains the following ContentPlaceHolder server controls.You also create 10 Web Forms. The Web Forms reference Template.master as their master page. Each Web Form has the following Content controls that correspond to the ContentPlaceHolder controls in Template.master.You need to configure the Web pages so that default content will be shown in the area2 ContentPlaceHolder control whenever a Web Form does not provide that content. What should you do? （）

A. Move default content inside area2 in Template.master. Remove area2 from Web Forms that do not provide content.
B. Move default content inside area2 in Template.master. Leave area2 blank in Web Forms that do not provide content.
C. Move default content inside area2 in the Web Forms. Remove area2 from Template.master.
D. Create an additional ContentPlaceHolder control in Template.master named area2_default. Place default content inside area2_default. Remove area2 from Web Forms that do not provide content.

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何为EAS系统？

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