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High Stress May Damage Memory{{/B}} According to a report issued in May 1998, elderly people who have consistently high blood Ievels of cortisol don’t score as well on memory tests as their peers with lower levels of the stress hormone. What’s more. high levels of cortisol are also associated with shrinking of the hippocampus, a region of the brain that plays a key role in learning and memory. The findings suggest that even cortisol levels in the normal, "healthy" range can actually accelerate brain aging. The study results "now provide substantial evidenee that long -- term exposure to adrenal stress hormones may promote hippocampal aging in normal elderly humans," write Nada Porter and Philip Land field of the University of Kentucky in Lexington in their editorial. Cortisol is a hormone releas A. become smaller too B. become larger C. may remain the same in size D. maybe damaged [判断题]’年10月23日起实施的车辆分公司《车场值班员[设备]场内调车作业指导书》中规定,根据调车司机检车反馈情况车辆调动受限时,设备值班员通知车辆/通号人员确认车辆是否具备场内动车的技术条件,如不具备则取消此次调车申请。( )
A.正确 B.错误 [判断题]在组织天然气燃烧过程有两种基本方案:预混燃烧和扩散燃烧。()
[单选题]建设单位违反本法规定,要求建筑设计单位或者建筑施工企业违反建筑工程质量、安全标准,降低工程质量的,责令改正,可以处以罚款;构成犯罪的,依法追究刑事责任。()
A.正确 B.错误 C.略 D.略 E.略 F.略 [单项选择]可决定窗体的左上角是否有控制菜单的属性是______。
A. ControlBox B. MinButton C. MaxButton D. BorderStyle [多选题]监察机关应当结合公职人员的职责加强日常监督,通过收集群众反映、座谈走访、查阅资料、召集或者列席会议、听取工作汇报和述责述廉、开展监督检查等方式,促进公职人员()、()、()
A.依法用权 B.秉公用权 C.廉洁用权 D.公正用权 [判断题]雷达生命探测仪通过检测人体生命活动所引起的各种微动,得到呼吸、心跳的有关信息,从而辩识有无生命体。( )
A.正确 B.错误 [多选题]影响定量精度的因素有( )。
A.仪器 B.探头 C.耦合 D.工件 E.缺陷 [多项选择]滴眼剂中常用的渗透压调节剂有()
A. 氯化钠 B. 硼酸 C. 硼砂 D. 葡萄糖 E. 硫酸钠 [单选题]1978年5月11日,《光明日报》发表题为( )的特约评论员文章,从根本理论上否定了“两个凡是”的错误方针,揭开了真理标准讨论的序幕。
A.《实践是检验真理的唯一标准》 B.《一切主观世界的东西都要接受实践的检验》 C.《马克思主义的一个最基本的原则》 我来回答: 提交
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