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Walking to Exercise the Brain Do you think sitting and studying all the time will improve students’grades Think again．Getting some exercise may help，too． New research with older people suggests that taking regular walks helps them pay attention better than if they didn’t exercise． Previous research had shown that mice learn，remember，and pay attention better after a few weeks of working out on a running wheel．Mice that exercise have greater blood flow to the brain than those who don’t．Their brain cells also make more connections． Neuroscientists(神经科学家)from the University of Illinois at Urbana-Champaign wanted to find out if the same thing is true for people．First，they measured the physical fitness of 41 adults，ages 58 to 77，after each person walked 1 mile．Then，participa A. lose weight． B. become happier． C. concentrate better． D. look younger． [填空题]SDH不仅适用于光纤传输，也适用于微波和（ ）的通用技术体制
[判断题]：根据《生产安全事故报告和调查处理条例》的相关规定，发生重大事故应逐级上报至省、自治区、直辖市人民政府安全生产监督管理部门和负有安全生产监督管理职责的有关部门。
A.正确 B.错误 [单项选择]蜜炙枇杷叶每l00kg用炼蜜量为
A. 10kg B. 12.5kg C. 15kg D. 20kg E. 25kg [单项选择]新娘妆粘贴的假睫毛应是的（）。
A. 浓密型 B. 自然型 C. 超长型 D. 粘有珠光型 [单选题]慢性胃炎病人应避免口服
A.链霉素 B.庆大霉素 C.泼尼松 D.多潘立酮 E.甲氧氯普胺 [单项选择]关于净资产说法错误的是（）。
A. 净资产一般为正值 B. 净资产越大，说明个人拥有的财富越多 C. 扩大净资产规模的途径包括继承遗产 D. 理财规划师应尽可能对净资产规模进行分析而忽略次要的结构比率分析 [单项选择]常用的病理解剖器械应包括（）
A. 刀类有解剖刀、截肢刀、肋骨刀和脑刀，用于切割皮肤、肋骨和脑等 B. 剪类有钝头与尖头解剖剪、弯头剪和静脉剪等 C. 镊和钳：有齿镊与无齿镊、血管钳等 D. 天平、刻度量杯和大小探针等 E. 以上内容均包括 [判断题]对于西门子PLC,诊断缓冲区是一个FIFO(先入先出)缓冲区,存储器复位时就被删除。
A.正确 B.错误 [单项选择]More and more residences, businesses, and even government agencies are using telephone answering machines to take messages or give in formation or instructions. Sometimes these machines give (31) instructions, or play messages that are difficult to understand. If you (32) telephone calls, you need to be ready to respond when you get a (33) The most common machine is the (34) used in residence. If you call a home (35) there is a telephone answering machine (36) you will hear several rings and then a recorded message that (37) says something like this: "Hello. We can’t come to the (38) right now. If you want us to call you back, please leave your name and number after the beep." Then you will hear a "beep," (39) is a brief, high-pitched (40) . After the beep, you can say who you are, whom you want to speak to, and what number the person should call to (41) you, or you can leave a (42) . Some telephone ans
A. disturbing B. annoying C. confusing D. surprising [单项选择]总体来说，取得安全生产许可证的时间一般为（）工作日。
A. 14个 B. 20个 C. 30个 D. 45个 [单选题]《使用有毒物品作业场所劳动保护条例》规定,用人单位发生分立、合并、解散、破产等情形的,应当对从
事使用有毒物品作业的劳动者进行( ),并按照国家有关规定妥善安置职业病病人。(1.0分) A.培训 B.健康检查 C.登记 [简答题]无缝线路应力放散可根据具体条件采用 法，或滚筒结合拉伸配合撞轨法。
[多项选择]保护公民的人身安全，就是保护公民的( )不受侵犯。
A. 生命权 B. 健康权 C. 人身自由 D. 人格尊严 [单项选择]青年男性，有吸毒史，发热1周，体温最高40．3℃，最低38．2℃，偶有咳嗽，少量痰中带血。查体神志清楚，呼吸22次／分，血压110／70mmHg，心率110次／分，肘静脉处有多个针眼，上腹部轻压痛。血常规白细胞总数19．8×109／L，中性粒细胞92％，此患者最优先进行的诊疗措施是（）.
A. 静脉大剂量使用抗生素 B. 请相关科室会诊 C. 抽血做血培养 D. 到放射科胸腹部CT检查 E. 抽血查肝肾功能 [单项选择]{{B}}Text 3{{/B}}
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