题目内容

运用季节指数进行预测时的假设前提是预测年份的季节性变化形态基本保持不变。

A. 正确
B. 错误

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Which two are true regarding a web application class loader？（）

A web application may override the web container’s implementation classes.
B. A web application running in a J2EE product may override classes in the javax.* namespace.
C. A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
D. Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.

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