按网络的拓扑结构分类，网络可以分为（） ["总线型网络","圆形网络","星型网络","环型网络"]
渗透调节机制
我旗在非公企业中开展“五星级企业党组织”创建活动，实施了星级管理。请回答五颗星的名称？
Users of your web application have requested that they should be able to set the duration of their sessions.So for example， one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes； another user might want to stay connected for a whole day. Furthermore， youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration. Which codesnippet in the login servlet will accomplish this goal？（） ["User user = \/\/ retrieve the User object from the database session.setDurationInterval（user.getSessionDuration（））；","User user = \/\/ retrieve the User object from the database session.setMaxDuration（user.getSessionDuration（））；","User user = \/\/ retrieve the User object from the database session.setInactiveInterval（user.getSessionDuration（））；","User user=\/\/retrieve the User object from the database session.setDuration（user.getSessionDuratio（））；","User user = \/\/ retrieve the User object from the database session.setMaxInactiveInterval（user.getSessionDuration（））；"]
通用的六种硅酸盐水泥初凝时间不得早于（）。 ["A.30min ","B.45min ","C.20min ","D.25min"]
人文社会科学的发展规律有哪些？
