You have built your own light-weight templating mechanism. Your servlets, which handle each request,dispatch the request to one of a small set of template JSP pages. Each template JSP controls the layout ofthe view by inserting the header, body, and footer elements into specific locations within the template page.The URLs for these three elements are stored in request scoped variables called, headerURL, bodyURL,and footerURL, respectively. These attribute names are never used for other purposes. Which JSP codesnippet should be used in the template JSP to insert the JSP content for the body of the page?()
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商铺投资与住宅投资相比,其主要优点在于()
A. 投资稳定性很好
B. 商铺投资要求专业能力较低
C. 收益率、回报率较高
D. 商铺租约比较长
如果切削时不加冷却润滑液,大部分切削热由()传出。
A. 切屑
B. 刀具
C. 工件
D. 周围介质