The biggest safety threat facing
airlines today may not be a terrorist with a gun, but the man with the portable
computer in business class. In the last 15 years, pilots have reported well over
100 incidents that could have been caused by electromagnetic interference. The
source of this interference remains unconfirmed, but increasingly, experts are
pointing the blame at portable electronic devices such as portable computers,
radio and cassette players and mobile telephones. RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban (禁止) such devices from being used during "critical" stages of light, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to individual airlines. And although some airlines p A. They may have been caused by the damage to the radio systems. B. They may have taken place during take-off and landing. C. They were proved to have been caused by the passengers’ portable computers. D. They were suspected to have resulted from electromagnetic interference. [多选题]最具影响力的PMI包括( )。
A.ISM采购经理人指数 B.中国制造业采购经理人指数 C.0ECD综合领先指标 D.社会消费品零售量指数 [多选题]倒闸操作票填写后,由()共同审核,复杂的倒闸操作经班组专业工程师或班长审核执行。
A.操作人 B.监护人 C.值班负责人 D.副班长 [单项选择]采用臭氧进行空气消毒时,消毒结束后()分钟人员方可进入。
A. 10~20分钟 B. 20~30分钟 C. 10~15分钟 D. 15~30分钟 E. 30~40分钟 [单项选择]The transmission system is the means ()the movement of the rudder is accomplished.
A. by which B. to which C. in which D. at which [单项选择]交叉反应率(CRR)是属于下列哪种类型的质量指标( )
A. 精密度 B. 准确度 C. 灵敏度 D. 特异性 E. 稳定性 [单选题]旋压密封式制动缸主体由缸体、缸座、活塞( )弹簧等配件组成。
A.制动 B.复位 C.保压 D.缓解 [单选题]测温、测湿仪器包括干湿球温度计及各种温度、湿度自动测试仪,普通仓库配置( )即可。
A.红外线探测仪 B.温度计 C.湿度自动测试仪 D.干湿球温度计 [不定项选择]下列情形中,符合《刑事诉讼法》规定的有( )
A. 区公安局将方某以故意伤害罪移送人民检察院审查起诉,人民检察院认为证明方某实施故意伤害行为的证据不足,故对方某作出不起诉决定 B. 人民检察院对韩某的行为在定性上存在疑问,故对韩某作出不起诉决定 C. 人民检察院对张某作出不起诉决定后,又发现了证明张某涉嫌犯罪的新证据,同一人民检察院有权对张某提起公诉 D. 人民检察院认为李某盗窃他人财物虽已达到“数额较大”的起点,但情节轻微,并系主动投案,可不作为犯罪处理,故对李某作出相对不起诉处理 [单项选择]李某家中安装了煤气热水器,2小时前在洗澡时昏倒在浴室内,送至医院时病人处于昏迷状态,小便失禁,瞳孔缩小,对光反射消失,角膜反射迟钝,呼吸浅快,32次/分,心率 102次,口唇樱红,拟诊“急性一氧化碳中毒”。
治疗该病人首选的药物是( )。 A. 静脉注射甘露醇降颅压 B. 口服苯妥英钠治疗抽搐 C. 静推地西泮制止发作 D. 静脉注射青霉素防止感染 E. 静脉注射碳酸氢钠纠正酸中毒 [判断题][T]BD005 2 2 3( )在线诊断按显示可以分为状态显示和故障信息显示两部分。[T/]
A.正确 B.错误 [单项选择]
王某,男性病人,46岁,1小时前与同事吵后突然头痛剧烈,全身软跌在沙发上,被同事送医院途中呕吐二次,为胃内容物,有嗜睡现象,面潮红,血压29/17Kpa、(220/130mmHg)。既往经常有头痛,经常服"去痛片"可缓。查体:嗜睡、颅神经(-),四肢肌张力稍低,肌力难合作检查,病理反射(-),痛觉(-),颈抵抗(+),Kernig氏征(+)。 本病人最可能的诊断是A. 脑出血早期 B. 脑栓塞 C. 癔症发作 D. 结核性脑膜炎 E. 蛛网膜下腔出血 [多项选择]结膜结核主要的临床表现有()
A. 结核瘤 B. 结膜寻常狼疮 C. 泡性角膜炎 D. 疱疹性结膜炎 E. 结膜结石 [判断题]自动闭塞区段信号机设置位置和显示关系应根据列车牵引计算确定,并应满足列车运行速度规定的制动距离和线路通过能力的要求。
A.正确 B.错误 我来回答: 提交
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