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卫生整理的途径有哪些?

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Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()

A. The foo initialization parameter CANNOT be set programmatically.
B. Compilation fails because getInitParameter returns type Object.
C. The foo initialization parameter is NOT a servlet initialization parameter.
D. Compilation fails because ServletContext does NOT have a getInitParameter method.
E. The foo parameter must be defined within the element of the deployment descriptor.

个性一经形成,就不再改变。()

A. 正确
B. 错误

最适合锁紧或松开T形螺栓上的螺帽的工具是活动扳手。()

A. 正确
B. 错误

广告施工高处作业遇有大雨、大雪、严寒等恶劣天气时()。

A. 应在认为安全的前提下继续施工
B. 应停止高处作业
C. 因工期紧可以继续施工

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