患者，女，23岁，学生，10天前出现发热、腰痛。
T：39.1℃，P：140次/min，BP：110/70mmHg。
急性病容、全身皮肤有多处出血点及出血斑。
入院诊断：亚急性感染性心内膜炎。
血培养采集的最佳时间是（） ["定时","空腹","夜间睡熟","畏寒发热时","经降温处理后"]
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
公共关系的英文拼写是（）。 ["Public Relations","Public Relation","Publications Relations","Publications Relatio"]
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（））；"]
在心理咨询室里，咨询者与来访者位置的最佳角度为（）
