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【单选题】
设A=Φ,B= ,则A∪B=( )A.
B.
C.
D.
Φ
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举一反三
【单选题】According to the conversation, how do they finally decide to place the advertisement?
A.
They will only advertise internally.
B.
They will only advertise externally.
C.
They will advertise externally first, then internally.
D.
They will advertise internally frost, then externally.
【简答题】气微，味辛辣而麻舌的药材是
【简答题】B “I sat-in at a restaurant for six months, and when they finally agreed to serve me, they didn’t have what I wanted”---so went a famous line. In reality, the sit-in movement was not a joke. It began ...
【单选题】According to the conversation, how do they finally decide to place the advertisement?
A.
They will only advertise internally.
B.
They will only advertise externally.
C.
They will advertise externally first, then internally.
D.
They will advertise internally first, then externally.
【单选题】在struts2中,为了避免与Servlet API耦合,Struts2框架对Servlet API中的HttpServletRequest、HttpSession和ServletContext进行了封装,构造了三个Map对象来替代这三种对象,下列选项能正确获取替代HttpSession的Map对象的方法是( )。
A.
ActionContext ac=ActionContext.getContext(); Map map=(Map)ac.get(“request”);
B.
ActionContext ac=ActionContext.getContext(); Map map=ac.getSession();
C.
ActionContext ac=ActionContext.getContext(); Map map=ac.get(“session”);
D.
ActionContext ac=ActionContext.getContext(); Map map=ac.getApplication();
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