A developer wants to make a name attribute available to all servlets associated with a particular user,across multiple requests from that user, from the same browser instance. Which two provide this capability from within a tag handler?()
A. pageContext.setAttribute("name", theValue)
B. pageContext.setAttribute("name", getSession())
C. pageContext.getRequest().setAttribute("name", theValue)
D. pageContext.getSession().setAttribute("name", theValue)
E. pageContext.setAttribute("name", theValue,PageContext.PAGE_SCOPE)
F. pageContext.setAttribute("name", theValue,PageContext.SESSION_SCOPE)
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“查找身边十大隐患(风险)活动”排查内容包括哪些?
糖尿病病人运动宜选择中等强度的有氧运动,即指最大氧耗量(VO2mA.x)()
A. 30%
B. 50~70%
C. 70~80%
D. 40%
水彩画纸有较强的吸附颜色的能力,可以用水彩画纸和丙烯颜料进行染纸活动。
A. 正确
B. 错误
正极管的中心引线为二极管的()极、管壳为()极,常用()色字或填充物标示。