Fear helps animals, including humans,
to survive since it allows them to avoid predators and dangerous situations.
Having too much fear, or not being able to control it can, however, harm them.
It can freeze animals into inaction, which is hardly an effective defence
tactic, and it can cause a variety of debilitating disorders, such as phobias,
pathological anxiety and the increasingly fashionable diagnosis of
post-traumatic stress disorder. Understanding how fear is formed in the brain may shed light on these disorders and help to develop ways to erase unwanted fears. In a paper published in the current issue of Cell, Gleb Shumyatsky, of Rutgers University in New Jersey, and his colleagues have achieved just that, in mice at least. Dr. Shumyatsky was interested in the role of a gene called stathmin. His interest wa A. had damaged hearing. B. had low pain sensitivity. C. were not capable of learning fear. D. showed instinctive fear when seeing cats. [单项选择]可作为肝纤维化的指标是
A. ALT B. P-Ⅲ-p C. LDH D. AST E. AFP [简答题]选取货币政策操作目标和中介指标要坚持哪些基本原则?为什么?
[多项选择]合同执行完后的验收,要注意()。
A. 明确外包验收工作的重要性 B. 优化外包工作流程 C. 管好用好外包产品验收依据 D. 管好外包产品检验人员 [单项选择]刺激性咳嗽最常见于()
A. 慢性支气管炎 B. 支气管扩张症 C. 支气管肿瘤 D. 肺结核 E. 肺气肿 [单选题]ARCNET局域网监控信息传输控制方式为令牌传递方式,令牌在各网络节点间轮流传递,获得令牌的节点具有 。
A.向总线发送信息的权限 B.协议转换功能 C.数据存储功能 D.信号放大功能 [简答题]
某大厦工程项目,建设单位与施工单位根据《建设工程施工合同文本》签订了工程的总承包施工合同,总承包商将该大厦工程项目的装饰装修工程分包给一家具有相应资质条件的某装饰装修工程公司。该装饰装修工程合同与该工程项目建设单位签订了该大厦工程项目的装饰装修施工合同。 [单项选择]如果我在朋友的面前出了丑,在这以后一段时期内,看见他们我就觉得很难堪。
A. 是 B. 否 [单项选择]部分溺水者可在多少时间内呈假死状态?()
A. 5~6小时 B. 4~5小时 C. 1~3小时 [判断题]低压旁路电缆的额定负荷电流为200A,线路负荷电流为180A,此条线路的电流情况满足低压旁路电缆进行负荷转移的要求。
A.正确 B.错误 [单选题]( )402.依据《突发事件应对法》规定,国家应当建立健全突发事件应急预案体系,突发事件应急预案的制定、修订程序由()规定。
A.地方政府 B.国家应急中心 C.安全生产监督管理总局 D.国务院 [判断题]易燃易爆气体发生泄漏事故,必要时,可打开罐顶向外排出气体以降低泄漏口压力。
A.正确 B.错误 我来回答: 提交
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