【单选题】阿尔茨海默病(缩写为 AD ,俗称 “老年痴呆”)是一种严重的中枢神经系统退行性疾病。研究表明, AD 病人的神经细胞外 β淀粉样蛋白( A β)沉积,该物质的沉积会损伤周围神经细胞的细胞膜和线粒体膜,导致神经细胞受损。下列分析错误的是 ( )
A.
向患者体内注射抗 A β的抗体,能减缓病情的发展速度
B.
向患者体内注射兴奋性神经递质,能明显改善其病情
C.
AD 病人的 A β沉积在组织液中,会改变神经细胞的内环境
D.
AD 病人的神经纤维上兴奋的传导和突触部位兴奋的传递均受到影响
【简答题】隐匿、故意销毁依法应当保存的会计凭证、会计帐簿、财务会计报告的行为,将承担法律责任。( )
【单选题】当相连接出入口的防火卷帘门正在降下时,若还有人员正在逃生时( )。
A.
现场人员可手动操作卷帘门,使其保持半开状态,待逃生人员通过卷帘门后,关闭卷帘门
B.
现场人员可手动操作卷帘门,使其保持开启状态,待逃生人员通过卷帘门后,关闭卷帘门
【简答题】Section A Just because they can't sing opera or ride a bicycle doesn't mean that animals don't have culture. There's no better example of this than killer whales. As one of the most __26__ predators (...
【简答题】下列关于假释的说法,哪些是错误的?( )
【单选题】____________, the idea of a wildfire "perimeter" is often misunderstood. If a fire has been contained to a 27-mile perimeter, it does not mean that the fire destroyed 100% of the area within the perim...
【单选题】“The slings and arrows of outrageous fortune” is an example of ______.
【判断题】隐匿、故意销毁依法应当保存的会计凭证、会计账簿、财务会计报告的行为,应当承担法律责任。
【单选题】True Winner Company is conducting a cost-benefit analysis for its information system (IS) department. In this, the salary of an employee is an example of a(n) ________ cost.
A.
A) intangible and tangible
B.
intangible and recurring
C.
tangible and non-recurring
D.
tangible and recurring
E.
recurring and non-recurring
【单选题】已知头孢噻吩钠的氯化钠等渗当量为0.24,配制2%头孢噻吩钠滴眼液100ml,使其等渗需加氯化钠( )