热门试题:
[单项选择]If our solar system has a Hell, it’s Venus. The air is choked with foul and corrosive sulfur, heaved from ancient volcanoes and feeding acid clouds above. Although the second planet is a step farther from the sun than Mercury, a runaway greenhouse effect makes it hotter indeed. It’s the hottest of the nine plants, a toasty 900 degrees Fahrenheit of baking rocky flats from equator to poles. All this under a crushing atmospheric pressure 90 times that of where you’re sitting now. From the earthly perspective, a dead end. It must be lifeless.
"Venus has nothing," is the blunt word from planetologist Kevin Zahnle of NASA Ames Research Center in Calitfornia’s Silicon Valley. "We’ve written it off."
Yet a small group of advanced life-forms on Earth begs to differ, and theorizes that bizarre microbial ecosystems might have once populated Venus and, in fact, may be there still. Members of this loose band of researchers suggest that their colleagues have water too much on th
A. it is not so close to the Sun as Mercury
B. many volcanoes spread the whole planet
C. it is covered by a thick layer of cloud
D. greenhouse effect is uncontrollable on it
[单选题]通过腕管的结构有( )
A.尺侧腕屈肌腱
B.正中神经
C.掌长肌腱
D.桡侧腕屈肌腱
E.肱桡肌
[填空题] 转K5型与转K4型转向架之间的( )是不可以互换的部件。
[多选题]《铁路技术管理规程》高速铁路部分,适用于( )。
A.200 km/h及以上的铁路
B.250 km/h以下仅运行动车组列车铁路
C.250 km/h及以上的铁路
D.200 km/h以下仅运行动车组列车铁路
[多选题]以下那些车上装有轮缘润滑装置?
A.1601
B.1620
C.1603
D.1604
[填空题]When television first began to expand, very few of the people who had become famous as radio commentators were able to be effective on television. Some of the difficulties they experienced when were trying to 【B1】 themselves to the new medium were technical. When working on radio, for example, they had become 【B2】 to seeing on behalf of the listener. This 【B3】 of seeing for others means that the commentator has to be very good at talking. Above all, he has to be able to 【B4】 a continuous sequence of visual images which 【B5】 meaning to the sounds which the listener hears. In the 【B6】 of television, however, the commentator sees everything with the viewer.
His role, therefore, is completely different. He is there to make 【B7】 that the viewer does not miss some point of interest, to help him focus on particular things, and to 【B8】 the images on the television screen. Unlike his radio colleague, he must know the 【B9】 of silence and how to use it at those moments 【B10】 the pictures spe
A. A.exhibit
B.demonstrate
C.expose
D.interpret
[单项选择]以下各项中,不属于垄断竞争型保险市场特征的是()。
A. 保险公司的数量较多
B. 保险公司提供“异质商品”
C. 市场进入与退出比较容易
D. 各家保险公司相互依存
[单选题]TEDS分析员作业界面,工具栏中()按钮可恢复原始图片显示效果。
A.【对比度】
B.【对比度】
C.【恢复】
D.【对比度】
[判断题]职责与职权是孪生子,职责是职权的当然结果和必要补充。
[单项选择]善于治疗肠痈的药物组是()
A. 金银花、连翘
B. 红藤、败酱草
C. 败酱草、鱼腥草
D. 牡丹皮、赤芍
E. 蒲公英、紫花地丁
[判断题]对绝缘良好的两台(组)电容型设备,其带电测试所得到的电容比值与它们在停电试验时所测得的电容值的比值应当是一致的。
A.正确
B.错误
[单选题]工种工日单价合同是指合同当事人约定以不同工种用工天数及各工种单日( )\t进行合同价格计算、调整和确认的劳务分包合同,在约定的范围内合同单价不作调整。
A.综合单价
B.实际单价
C.计时单价
D.工种等级单价
[单项选择]Questions 26 to 28 are based on the passage you have just heard.
A. Because he persuaded his workers to buy Model-T ears.
B. Because Model-T was ugly and always black.
C. Because Model-T was cheap hut Beautiful.
D. Because Model T was cheap and simple and he increased his workers’ pay to buy cars.
[单选题](第二十三条)使用切割器具破拆时,要平稳操作、( )切割,切割器具前方不得站人。
A.折线
B.弧线
C.直线
D.弯线
[单选题]甲国以乙国境内有反甲国政府组织的据点为名,对乙国发动战争。依国际法相关规则,下列战争开始后引起的法律后果中,正确的是哪项?( )
A.虽然两国发生战争,但私人之间的商业关系不被废止
B.两国间的互助条约立即废止,但两国参加的规定战争行为规范的条约自动生效
C.两国可以对其境内敌国人民的私产予以限制和没收
D.两国对在海上遇到的敌国一切船舶及航空器均可以拿捕没收
[单选题]《安全生产法》立法目的是:“为了加强安全生产工作,防止和减少生产安全事故,保障人民群众生命财产安全,促进经济社会持续健康发展。”( )
A.正确
B.错误
[单选题]肺部叩诊时,板指的规范性手法为
A.仰卧位板指与心缘平行
B.板指紧贴胸壁并与肋间隙、肋骨平行
C.肩胛间区叩诊仍应保持板指与肋间隙平行
D.板指与肋骨垂直
E.板指与肋间隙垂直
[多选题]煤矿企业常见的职业病有( )。
A.尘肺
B.电光性眼炎
C.噪声聋
D.职业中毒
[多选题] 调解协议书应当包括()等内容
A. 双方当事人、调解人员情况
B. 案件情况
C. 协议内容
D. 履行期限和方式
[多选题]64
NSA网络PSCe11交更过程中ANR触发reportCGI的测量,以下哪些信令会承载reportCGI的测量信息?
A.ULInformationTansfarMRDC
B.SgNB Modifieation Raquired
C.RRCConnectienRedonfiguration
D.SgNB Modificatisn Request
[多项选择]办理上门服务业务须做到专人负责,应选配政治思想好,业务素质高,工作责任心强的人员从事该项工作,同时严禁()从事上门服务业务。
A. 与服务企业存在关联关系的银行工作人员
B. 非银行正式员工非
C. 非会计出纳人员
[单选题]液压打包机油泵因泵轴与电动机轴同轴度差和联轴器同轴度差导致运行噪声较大的处理方法:重新安装,保证泵轴与电动机轴同轴度在( )范围以内,重新安装联轴器,并用顶丝紧固。
A.<0.05mm
B.<0.1mm
C.<0.15mm
D.<0.2mm
[填空题]
About Wetlands in the U.S.A.
People enjoy a famous soup (SHE-CRAB SOUP) in North Carolina because the days of the regional soup may be getting fewer and fewer: "no wetlands, no seafood".
Ⅰ. The current situation of wetlands: 1) California has lost
(1) of wetlands--91 percent, (1) ______
and the rate of loss of wetlands is an acre per minute.
2) 21 other states have losted at least half of their
(2) . (2) ______
Ⅱ. The key value of wetlands: 1) Each acre of wetland is worth
(3) more money than (3) ______
an acre of ocean in the benefits;
2) Wetlands act like sponges and
(4) like our kidney: (4) ______
A. filtering out hazardous materials like dirt, chemicals,
pesticides and fertilizers;
B. serving as large
(5)
[单项选择]策划是专家知识的组织和集成以及信息的组织和集成的过程,其实质是( )。
A. 知识管理过程
B. 创新求增值过程
C. 开放性过程
D. 动态过程
[多选题]土方开挖的顺序、方法必须与设计工况相一致并遵循下列原则( )。
A.开挖先撑
B.先撑后挖
C.分层开挖
D.严禁超挖
E.边撑边挖
[单选题]1.321. 第321题
配电网按供电地域特点不同或服务对象不同,可分为城市配电网和农村配电网。
A.正确
B.错误
[多选题]为了完成会计师事务所交办的涉及中国某项目的财务会计报告,永居甲国的甲国人里德来到中国工作半年多,圆满完成报告并获得了相应的报酬。依相关法律规则,下列哪些选项是正确的?
A.里德是甲国人,中国不能对其征税
B.因里德在中国停留超过了183天,中国对其可从源征税
C.如中国已对里德征税,则甲国在任何情况下均不得对里德征税
D.如里德被甲国认定为纳税居民,则应对甲国承担无限纳税义务
[多选题]高清摄像机按照传感器分为()和()。
A.CCD高清摄像机
B.CBD高清摄像机
C.CMOS高清摄像机
D.CPOS高清摄像机
[单选题]关于整备作业注意事项,下列说法错误的是( )。
A.检查电客车走行部时,严禁升弓。注意空间位置,避免碰伤,严禁跨越地沟
B.受电弓升起时,严禁触摸带电电气部分。进行地沟检查及攀登车顶时要佩戴安全帽
C.电客车未经过整备严禁出库
D.整备作业前必须了解电客车停放位置及电客车状态
[判断题]参加三农金融部管理委员会会议的各位委员和列席人员对会议信息负有保密义务,未经许可,不得擅自披露。
[单选题]在中国,要团结凝聚全国各族人民,通过改革进一步解放和发展社会生产力,促进国民经济持续健康发展,实现社会主义现代化建设的宏伟目标,关键在( )。
A.全国各族人民
B.工人阶级
C.人才
D.党
[多项选择]下列属于完全垄断市场的情形的是
A. 产业绝对集中度为100%,市场上只有一个提供产品的企业
B. 产业集中度高,市场被极少数大企业垄断
C. 不存在任何相近的替代产品
D. 进入壁垒非常高,其他企业进入该市场极为困难
[判断题]违规制造枪支罪的犯罪主体只能是单位。
A.正确
B.错误
[单项选择]患者,21岁,持续发热12日,体温38℃~40℃,无明显畏寒、寒战,伴食欲不振,腹胀,近日出现听力下降,曾不规则使用过青霉素、氨苄西林等治疗。查体:体温39.8℃,脉搏90次/分,肝右肋下1.0cm,脾左肋下1cm可及。血WBC3.5×109/L。为确定诊断首选下列哪项检查()
A. 血培养
B. 骨髓培养
C. 肥达反应
D. 小便培养
E. 大便培养
[多选题]工作负责人和安全监护人检查作业人员正确使用安全工器具和个人安全防护用品,检查高处作业人员()规范穿戴及使用情况,高处作业使用(),水平移动使用()。
A.全方位防冲击安全带
B.垂直攀登自锁器
C.速差保护器
D.安全帽