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多选题
Given a web application in which the request parameter productID contains a product identifier. Which twoEL expressions evaluate the value of the productID？（）
A
${productID}
B
${param.productID}
C
${params.productID}
D
${params.productID[1]}
E
${paramValues.productID}
F
${paramValues.productID[0]}
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单选题Given an HttpSession session，a ServletRequest request，and a ServletContext context，which retrieves aURL to /WEB-INF/myconfig.xml within a web application？（）A
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