{{B}} High Stress May Damage Memory{{/B}} According to a report issued in May 1998, elderly people who have consistently high blood levels 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 evidence 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 o A. the adrenal glands will produce a stress hormone. B. the kidneys will produce adrenal glands. C. the hippocampus will produce high levels of cortisol in the blood. D. the brain will work more effe4tive~y’ [单选题]战略性人力资源管理中( )的作用是明确了衡量实现组织战略所必须完成的各项管理活动需要达成的具体指标和目标。
A.战略地图 B.人力资源管理计分卡 C.数字仪表盘 D.目标管理 [判断题]风口生降、涌渣时应增大喷吹量,尽快提高炉温。
[单选题]机库照明灯使用的电压为( )
A. 12V B. 24V C. 220V D. 36V以下 [判断题] 由于我行核心系统和bta等外围外挂系统信息无法自动同步,对于购买bta系统理财产品的客户,柜员在维护客户信息资料后,须同时操作[5902个人客户信息同步]交易。
A.正确 B.错误 [单选题]调压器阀后压力下降的主要原因是( )。
A.阀后压力调整不正确 B.阀口结冰、无上游压力 C.阀口被污物堵塞 D.A、B、C都正确 [简答题]从盐酸胺碘酮的结构出发,简述其理化性质、代谢特点及临床用途。
[填空题]在常年情况下,淡色库蚊成虫的数量高峰一般出现在()。
[单选题]发动机产生爆震的原因是()。
A.压缩比过小 B.汽油辛烷值过低 C.点火过晚 D.发动机温度过低 [单项选择]下列不属于“五谷丰登”中的“五谷”的是( )。
A. 水稻 B. 大豆 C. 高粱 D. 小麦 [判断题] 道岔焊接,岔外接头焊接应在道岔接头自由焊接完成之后进行。且岔外接头锁定焊接之前,应对道岔内各部件和道岔相连接的钢轨进行放散处理。( )(《太原铁路局无缝线路(道岔)管理细则》2.4.5.2)
A.正确 B.错误 我来回答: 提交
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