Which two prevent a servlet from handling requests.?()
A. The servlet’s init method returns a non-zero status.
B. The servlet’s init method throws a Servlet Exception
C. The servlet’s init method sets the Servlet Response’s context length to 0
D. The servlet’s init method sets the Servlet Response’s content type to null.
E. The servlet’s init method does NOT return within a time period defined by the servlet container.
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负压射孔完井时,射孔负压值越大,孔眼越清洁,完井效果越好。
A. 正确
B. 错误
某台烧结机在一昼夜中共作业22小时48分钟,计算其日作业率是多少?
Please put the rush mats()the bags.
A. arounded
B. inside
C. some distance above
D. underneath
系统软件中最基本最重要的是(),它提供用户和计算机硬件系统之间的接口。
A. 应用系统
B. 操作系统
C. Office组件
D. 浏览器