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简述对外贸易发展战略中进口替代战略和出口导向战略的涵义。

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You create a Web Form that contains a TreeView control. The TreeView control allows users to navigate within the Marketing section of your Web site. The following XML defines the site map for your site. You need to bind the TreeView control to the site map data so that users can navigate only within the Marketing section. Which three actions should you perform?（）

Add a SiteMapDataSource control to the Web Form and bind the TreeView control to it.
B. Add a SiteMapPath control to the Web Form and bind the TreeView control to it.
C. Embed the site map XML within the SiteMap node of a Web.sitemap file.
D. Embed the site map XML within the AppSettings node of a Web.config file.
E. Set the StartingNodeUrl property of the SiteMapDataSource control to ~/Marketing.aspx.
F. Set the SkipLinkText property of the SiteMapPath control to Sales.

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某患者，男性，60岁，发病三天，始见小便量少，点滴而出，近半日突然小便点滴不通，伴小腹胀满，口苦口粘，口干不欲饮，大便不爽。舌质红苔黄腻，脉弦数。若该患者服药后病情稍有缓解，但反复不愈，日久见口干咽燥、潮热盗汗，五心烦热，舌红少苔，脉细数。证候变化为（）

A. 气火伤阴
B. 肺阴渐亏
C. 湿热化燥伤脾阴
D. 湿热久恋灼伤肾阴
E. 过用活血药，致血虚不荣

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假设3001C微基站安装在塔上，O1站型，采用9dBd天线，1/2"跳线长度5米（损耗11dB/100m），接头损耗0.5dB，双工器损耗为1.5dB，那么天线口功率EIRP为（）。

A. 47.6
B. 45.45
C. 47.1
D. 47.95

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环境保护法的作用是什么？

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