热门试题:
[单项选择]What were the Mars' seasonal changes in color believed to be
A. The natural changes on the planet.
B. The seasonal cycles.
C. The movement of some life form.
D. The storm of dust in its atmosphere.
[单项选择]汽车库、修车库机械排烟排烟口的风速不宜超过()。
A. 10m/s
B. 20m/s
C. 30m/s
D. 40m/s
[判断题]( )驾驶大机养路机械运行时,遇天气不良或嘹望条件差和线路状态不良的地段,应降低运行速度,确保行车安全。
A.正确
B.错误
[单选题]根据《广东省交通运输厅关于规范高速公路交通综合执法工作的意见的通知》,对车辆在公路上擅自超限行驶的,根据《中华人民共和国公路法》( )规定,由交通运输部门责令停止违法行为,可以处三万元以下的罚款。
A.第六十七条
B.第五十六条
C.第四十四条
D.第七十六条
[单选题]搜寻援救民用航空器的具体办法,由谁规定:
A.中央军委
B.各地管制单位
C.当地政府
D.国务院
[单项选择]属于日射病的临床表现是()
A. 面色苍白、大汗、四肢湿冷
B. 头部温度高,体温基本正常
C. 面色潮红、多汗、口唇呈樱桃红色
D. 早期多汗,体温可达40℃以上,继而无汗干热
E. 皮肤苍白、出冷汗、血压下降、体温基本正常
[判断题]联系用手信号显示连结手信号时,昼间显示方式为两臂高举头上,使拢起的手信号旗杆成水平末端相接。( )
A.正确
B.错误
[单选题]新建账套时,如果基本信息设置错误,可以由()进行修改。
A.账套主管
B.admin
C.会计主管
D.任何账套用户都可以
[单项选择]肠套叠患者的粪便是()
A. 米泔水样便
B. 暗红血样便
C. 白陶土样便
D. 柏油样便
E. 果酱样便
[单选题] 退票费最低按( )计收 。
A.5角
B.1元
C.2元
D.3元
[判断题]智慧柜员机的强制存款功能可实现客户在设备上进行现金存款时,如果设备拒钞,可以在柜员干预的情况下进行强制存款。
A.正确
B.错误
[单项选择]
Immigrants to the UK are being tested on their English skills before being able to claim income- related benefits under a new scheme. People are being asked what efforts they have made to find work before coming to Britain.
Work and Pensions Secretary Iain Duncan Smith said people should not be able to "take (1) " of British benefits. Labor supports English tests (2) says ministers are ignoring the exploitation of low-skilled migrant workers.
Job centers in England, Scotland and Wales began using the "more robust" language tests on Monday and they are being (3) to all centers. The Department for Work and Pensions (DWP) said the test would (4) "only migrants who have a legal right to be in Britain and plan to (5) to this country can make a claim (6) benefits". "For the first time, migrants will be quizzed about what efforts they have made to find work before coming to the UK and
A. relevance
B. reluctance
C. resistance
D. residence
[单选题]、使用中的氧气瓶和乙炔气瓶应( )固定放置,氧气瓶和乙炔气瓶的距离不得小于5m,气瓶的放置地点不准靠近热源
A.水平
B.倾斜
C.并排
D.垂直
[单选题]( )是江西航机务工程部实施飞机维修的基本原则:
A.效益第一
B.安全第一
C.正点率第一
D.以上都不对
[单项选择]For an increasing number of students at American universities, Old is suddenly in. The reason is obvious: the graying of America means jobs. Coupled with the aging of the baby-boom (生育高峰) generation, a longer life span means that the nation’s elderly population is bound to expand significantly over the next 40 years. By 2040, 25 percent of all Americans will be older than 65, up from 14 percent in 1995. The change poses profound questions for government and society, of course. But it also creates career opportunities in medicine and health professions, and in law and business as well. "In addition to the doctors, we’re going to need more sociologists, biologists, urban planners and specialized lawyers," says Professor Edward Schneider of the University of Southern California’s (USC) School of Gerontology (老年学).
Lawyers can specialize in "elder law", which covers everything from masts and estates to nursing-home abuse and age discrimination (歧视). Businessmen see huge opportunities
A. Retirees who are business-minded.
B. The volunteer workers in retirement homes.
C. College graduates with an MBA or law degree.
D. Professionals with a good knowledge of gerontology.
[单项选择]常与雄黄配伍,治疗湿疹疥癣,组成二味拔毒散的药物是()
A. 蛇床子
B. 硫磺
C. 白矾
D. 乳香
E. 大黄
[单选题]引水泵润滑油位( )检查一次。
A.四天
B.两天
C.三天
D.一天
[单选题]在总压 70.33kPa,温度 20℃下,某空气的湿度为 0.01Kg 水/Kg 干空气,现维持总压不变,将空气温度升高到 50℃,则相对湿度( )。
A.增大
B.减小
C.不变
D.无法判断
[单选题]依据《中国南方电网有限责任公司电力安全工作规程 机巡、新能源部分(试行)》(安监〔2018〕48号)第8.4.2.6条规定:严禁有人机在水库、江河等水域上方悬停作业,确需经过水域时,有人机飞行高度应不低于( )m且快速通过。
A. 30
B. 40
C. 50
D. 60
[单选题]缠绕式垫片型式代号D1222 DN100-PN10 GB/T 4622中的PN10表示( )。
A.公称压力为1MPa
B.公称压力为10MPa
C.工作压力为1MPa
D.工作压力为10MPa
[单选题]配制甲烷校准气样的原料气应选用浓度不低于( )的高纯度甲烷气体。
A.90%
B.95%
C.98
D.99.9%
[单选题]建设单位应当将工程发包给具有相应资质等级的单位。建设单位不得将( )。
A.工程分包
B.工程肢解发包
C.工程转包其他建设单位
D.工程分解成若干部分
[单选题]使用钳型电流表测量高压电缆各相电流,当有( )时,禁止测量。
A.两相短路
B.一相开路
C.三相短路
D.一相接地
[判断题]参训人员必须按规定着装。( )
A.正确
B.错误
[多项选择]小型水电站施工斜井开挖方法中,下列方法正确的有( )。
A. 倾角6°~25°的斜井,可采用自上而下的全断面开挖方法
B. 倾角为25°~45°的斜井,可采用自下而上挖通导井、自上而下扩大开挖的方法,并应有扒渣或溜渣措施
C. 洞的倾角小于6°时,可按竖井开挖的规定执行
D. 洞的倾角大于45°时,可按竖井开挖的规定执行
E. 洞的倾角小于6°时,可按平洞开挖的规定执行
[判断题]生产经营单位应当教育和督促从业人员严格执行本单位的安全生产规章制度和安全操作规程
A.正确
B.错误
[判断题]在起下钻和下套管时,要控制起下钻速度,不要过快,在钻开高压油气层和钻井液性能不好时,更应注意。
A.正确
B.错误
[判断题]上覆岩层压力随地层埋藏深度的增大而增大。
A.正确
B.错误
[多项选择]工程质量事故处理报告的主要内容有()。
A. 质量事故处理的依据
B. 质量事故技术处理方案
C. 实施技术处理施工中有关问题和资料
D. 对处理结果的检查鉴定和验收
E. 事故发生原因的初步分析
[单项选择]如果风险资产市场价格持续下降,投资组合保险策略的表现可能( )买入并持有策略。
A. 优于
B. 劣于
C. 相当于
D. 劣于或相当于