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C Marian Bechtel sits at West Palm Beach’s Bar Louie counter by herself, quietly reading her e-book as she waits for her salad. What is she reading? None of your business! Lunch is Bechtel’s "me" time. And like more Americans, she’s not alone. A new report found 46 percent of meals are eaten alone in America. More than half ( 53 percent ) have breakfast alone and nearly half ( 46 percent ) have lunch by themselves. Only at dinnertime are we eating together anymore, 74 percent, according to statistics from the report. "I prefer to go out and be out. Alone, but together, you know?" Bechtel said, looking up from her book. Bechtel, who works in downtown West Palm Beach, has lunch with coworkers sometimes, but like many of us, too often works through lunch at her desk. A lunchtime escape allows her to keep a boss from tapping her on the shoulder. She returns to work feeling energized. "Today, I just wanted some time to myself," she said. Just two seats over, Andrew Mazoleny, a local videographer, is finishing his lunch at the bar. He likes that he can sit and check his phone in peace or chat up the barkeeper with whom he's on a first-name basis if he wants to have a little interaction (交流) . "I reflect on how my day's gone and think about the rest of the week," he said. "It's a chance for self-reflection, You return to work recharged and with a plan." That freedom to choose is one reason more people like to eat alone. There was a time when people may have felt awkward about asking for a table for one, but those days are over. Now, we have our smartphones to keep us company at the table. "It doesn't feel as alone as it may have before all the advances in technology," said Laurie Demeritt, whose company provided the statistics for the report.
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【简答题】1, 1, 5, 3, 9, 9, 13, 27, ( ), ( )。
【单选题】在页式存储管理中,当CPU形成一个有效地址时,要查页表。这一工作是由( )实现的。
A.
操作系统
B.
存储管理的查表程序
C.
硬件自动
D.
存储管理进程
【单选题】关于伪科学的描述,以下哪一条是不正确的:( )
A.
迷信类伪科学包括各种灵学、占星术和算命预测术。
B.
江湖骗术类伪科学包括神医、水变油、气功改变水分子结构、夸大疗效和隐瞒副作用并借助洗脑式广告的卫生保健品(如减肥、增高、生发、核酸食品)等。
C.
大多数有关金字塔、亚特兰蒂斯、巨石阵及复活节岛等文明之谜的离奇解释是有科学依据的。
D.
对特异功能研究(“人体科学”)、超心理学研究、超自然力量等未知领域的研究存在很多伪科学因素。
【多选题】附件安装时的接地应遵守()规定。
A.
附件安装作业区间两端应装设接地线。施工的线路上有高压感应电时,应在作业点两侧加装工作接地线。
B.
作业人员应在装设个人保安接地线后,方可进行附件安装。
C.
地线附件安装前,应采取接地措施。
D.
在330kV及以上电压等级的运行区域作业,应采取防静电感应措施。例如穿戴相应电压等级的全套屏蔽服(包括帽、上衣、裤子、手套、鞋等,下同)或静电感应防护服和导电鞋等(220kV线路杆塔上作业时宜穿导电鞋)。
E.
在±400kV及以上电压等级的直流线路单极停电侧进行作业时,应穿着全套屏蔽服。
【多选题】邻近高压线路感应电压的防护,下列分析正确的是()
A.
在330KV及以上电压等级的带电线路杆塔上及变电站构架上作业,应采取穿着静电感应防护服、导电鞋等防静电感应措施
B.
带电更换架空地线或架设耦合地线时,应通过金属滑车可靠接地。
C.
绝缘架空地线应视为带电体。作业人员与绝缘架空地线之间的距离不应小于0.5m(应为0.4m)
D.
用绝缘绳索传递大件金属物品(包括工具、材料等)时,杆塔或地面上作业人员应将金属物品接地后再接触,以防电击
【单选题】某小学王校长发现校门口有商贩向学生兜售散装香烟。他应该采取的做法是 ( ) 。
A.
国家
B.
父母
C.
学校
D.
社会
【单选题】-1,1,1,3,3,9,5,( )
A.
5
B.
9
C.
15
D.
27
【单选题】在页式存储管理中,每当CPU形成一个有效地址时,则要查找页表,这一工作是由( )实现的。
A.
查表程序
B.
存取控制
C.
硬件自动
D.
软件自动
【单选题】在页式存储管理中,当CPU形成一个有效地址时,要查页表。这一工作是由( )实现的。
A.
操作系统
B.
存储管理的查表程序
C.
硬件
D.
存储管理进程
【单选题】在页式存储管理中,当 CPU 形成一个有效地址时,要查页表。这一工作是由( )实现的。
A.
硬件自动
B.
操作系统
C.
存储管理的查表程序
D.
存储管理进程
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