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【单选题】
以下关于Servlet生命周期方法的描述,错误的是()
A.
Servlet的生命周期方法由Servlet容器(服务器)自动调用,通常也叫做“方法”
B.
在Servlet的生命周期里,init方法只会被调用执行一次
C.
在Servlet的生命周期里,doGet或者doPost方法可能会被调用一到多次
D.
Servlet 技术产生在JSP技术之后
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强度
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硬度
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严密性
D.
强度和严密性
【单选题】水压试验是为了鉴别锅炉受压元件的(  )。
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强度
B.
硬度
C.
严密性
D.
强度和严密性
【单选题】水压试验是为了鉴别锅炉受压元件的()。
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强度
B.
严密性
C.
强度和严密性
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dictated
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【单选题】________we went to visit Professor Smith, he________his research work.
A.
The first time; devoted to
B.
Whenever; was concentrate on
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For the first time; was busy with
D.
Each time; was absorbed in
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