更多“下列属中枢性抗胆碱药的是（）。”相关的问题
雄黄条痕( )
A．白色
B．樱红色
C．绿黑色
D．浅橘红色
E．黄色
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临时抽放瓦斯泵站排放瓦斯管路出口设置要求（）栅栏距管路出口30米。
A . 上风侧
B . 二者皆可
C . 下风侧
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按进出口货物的价值征收一定百分比的税收为（）
A . 从价税
B . 从量税
C . 混合税
D . 复合税
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A scientific panel convened by the World Health organization recommended guidelines on Friday for doctors conducting clinical studies of SARS patients. The panel urged doctors to apply the guidelines in analyzing the masses of potentially useful information about various therapies that were collected in this year’s epidemic. Much of that information has not been published or analyzed. "It is a matter of urgency to get better analysis and review," said Dr. Simon Mardel, a WHO official who led the two-day meeting that ended on Friday. He said thousands of potential therapies and compounds had been tested so far as researchers try to determine treatments for SARS, or severe acute respiratory syndrome. "We recognize that having no treatment for SARS is hindering our ability to control an epidemic in so many ways." He said. In the epidemic earlier this year, various treatments, like drugs to fight the virus or strengthen the immune system, as well as traditional Chinese medicine, were delivered under emergency conditions, in widely different settings and countries to patients suffering from varying stages of the illness. Those conditions--generally without standardized measurements or controlled situations-- have made it hard to interpret results. Standard supportive therapy like nursing, and in severe cases the use of mechanical respirators (呼吸器) to help patients breathe, is the mainstay (主要支持) of SARS care, and helped many patients survive. But doctors still do not know how best to treat SARS patients who have breathing difficulties, Dr. Mardel said. One method is invasive ventilation. A second method involves blowing oxygen into the lungs through a mask. Both carry the risk of transmitting the virus to hospital employees. Without proper analysis, the panel was unable to say definitively which treatment worked best, or which caused the most harm. "There is a lack of shared information," Dr. Mardel said, noting that a lot of data have not been published. The panel also agreed on guidelines that would allow doctors to conduct quick and safe clinical trials, a process that generally takes years to complete. The World Health organization, a United Nations agency did not release the guidelines. Dr. Mardel said they were flexible because no one knew where, when and in what setting SARS would return. Experts in many countries have already listed the treatments they want to test, and the health agency is leaving these decisions to individual nations.
A．gathering potentially useful information about various therapies collectedB．conducting clinical studies of SAR8 patientsC．determining treatment for SARSD．published all the information about SARS
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委派会计人员直接对（）负责。
A、信用社
B、县级行社
C、信用社主任
D、会计结算部
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矿井安全监控信号，直流模拟量优先选用的是（）。?
A . A．1～5mA
B . B．4～20mA?
C . C．10～20mA
D . D．20～30mA?
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下列哪种抗原抗体复合物可激活补体经典途径
A. 分泌型二聚体Ig分子与抗原组成的复合物 B. 两个密切相邻的IgG分子与抗原组成的复合物 C. 一个 IgG分子与抗原组成的复合物 D. 一个 IgE分子与抗原组成的复合物 E. 一个 IgM分子与抗原组成的复合物
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目前，对于重要产品如锅沪、压力容器、大型船舶等均广泛采用（）作为检验焊缝质量的重要方法
A . A、磁粉探伤
B . B、荧光探伤
C . C、外部碳伤
D . D、射线探伤
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解放CA6102发动机分电器传动轴的外壳安装时切口应朝（）
A.左
B.右
C.上
D.下
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设一个图书借阅管理数据库中包括三个关系模式： 图书（图书编号，书名，作者，出版社，单价） 读者（借书证号，姓名，性别，单位，地址） 借阅（借书证号，图书编号，借阅日期，归还日期，备注） 用SQL...建立“红星汽车厂”读者的视图RST。
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已知单位负反馈系统的开环传递函数为
，已知剪切频率wc=22rad/s，则相位裕度为（ ）
A . 16.7 °
B . 12.8°
C . 13.2
D . 17.6°
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电力系统的稳定性指正常运行的电力系统受到干扰作用时，在干扰消失或不消失情况下，经过渡过程回到原来运行点或转移到新的运行点稳定运行的能力。电力系统的稳定性根据分析计算的需要又分为静态稳定性和暂态稳定性两种。()
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出现下列何种情况应停洋地黄（）
A.室性期前收缩二联律
B.低血钾
C.恶心呕吐
D.房速伴不完全房室传导阻滞
E.心电图ST段斜形下移
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