热门试题:
[判断题]九层及九层以下的普通住宅灭火器的配置应按《建筑灭火器配置设计规范》执行。
[多选题]进入高温、热辐射强和有发生爆炸危险的区域时,适用的着装为( )。
A.消防隔热服
B.灭火防护服
C.消防避火服
D.防爆服
[不定项选择题]共用题干
The world has got rainforests which cover 7% of the earth's surface.They grow around the earth's equator in South America,Central America,Africa,Southeast Asia,and Australia. Rainforests are important.(46)______.These rainforests are wet and warm.They get more than two meters of rain each year,and temperatures are usually between 24℃and 27℃.(47)______. Each area has a different environment with different plants,trees and animals.
(48)______.Every day a part of the rainforest,the same size as a football field,is destroyed because of human activities.(49)______,people cut down trees to make plantations to grow food,to get minerals or metals out of the ground or to build more and more houses.(50) ______.Cutting down trees must be prohibited and wild animals must be protected.If people break these rules,they must be arrested and severely punished.
_________(48)
A.Therefore strict measures must be taken
B.They give the earth oxygen,and are the home for half of the world's animals and plants
C.Because of a growing population
D.Unfortunately,these rainforests are in danger
E.Tropical rainforests are home to tribal peoples who rely on their surroundings for food,shelter,and medicines
F.They are divided into four different areas
[单选题]客货共线铁路,站内货物线与货物线线间的最小距离规定为( )。
A.5500mm
B.5000mm
C.4600mm
D.3600mm
[单项选择]The struggle against malnutrition and hunger is as old as man himself, and never across the face of our planet has outcome been more in doubt. Malnutrition caused much suffering to an estimated 400 million to 1.5 billion of the world’s poor. Even in the wealthy US poverty means undernourishment for an estimated ten to twenty million. Hardest hit are children, whose growing bodies demand two and a half times more protein, pound for pound, than those of adults. Nutrition experts estimate that 70 percent of the children in low-income countries are affected.
Badly shaped bodies tell the tragic story of malnutrition. Medical science identifies two major types of malnutrition which usually occur in combination. The first, kwashiorkor (恶性营养不良), is typified by the bloated look. The opposite of what we associate with starvation. Accumulated fluids pushing against wasted muscles account for the plumpness of hands, feet, belly, and face. Lean shoulders reveal striking thinness. Caused by a
A. suffer more than adults because they eat less food
B. suffer less than adults because they are physically smaller
C. are affected more than adults since their food contains less protein
D. are affected more than adults simply because they need more protein
[判断题]沟通协调具有社会性,因此与其他社会活动一样,有着必须依据的原则。( )
A.正确
B.错误
[多项选择]缆索起重机锚链,用于锚固()及铰车等地锚装置的可靠性,对缆索吊装作业的安全有决定性的影响,故在设计与实际施工时应引起高度重视。
A. 主索
B. 扣索
C. 牵引索
D. 起重索
[单选题] 露天作业风力超过( )不吊。
A.4 级
B.5 级
C.6 级
[单项选择]The ship's generator broke down, and the pumps had to be operated ______ instead of mechanically.
A. manually
B. artificially
C. automatically
D. synthetically
[单选题]在进站信号机外制动距离内进站方向有超过( )的下坡道,而接车线末端无隔开设备的线路上接车时,其延续线路上禁止调车作业。
A.2.5‰
B.6‰
C.1.5‰
D.3‰
[单项选择]下列不用作肝生物转化第二相反应的结合物是
A. 葡萄糖醛酸
B. 谷胱甘肽
C. 谷氨酰胺
D. 甘氨酸
E. 硫酸
[单项选择]明代朱衡在泰山上创建的纪念孔子的牌坊是()。
A. 孔子庙坊
B. 望吴胜迹坊
C. 孔子登临处坊
D. 岱宗坊
[单项选择]下列方法中不能退出Visual Basic的是
A. 按Alt+Q组合键
B. 按下Alt+F组合键,然后按Esc键
C. 打开“文件”菜单,执行“退出”命令
D. 按F10键,然后按F键,再按X键
[单选题]阻塞性黄疸会导致粪便中
A.白细胞增多
B.粪胆原减少
C.粪胆原增多
D.出现上皮细胞
E.出现真菌
[单项选择]下列各项中,不属于合同管理情况的风险评估的内容的是()。
A. 是否实现合同归口管理
B. 是否明确应签订合同的经济活动范围和条件
C. 是否有效监控合同履行情况
D. 是否实现资产归口管理并明确使用责任
[单选题]"发站承运易腐货物后应在货物运单“承运人记事”上标注“三角K”,三角K表示()。
A.装运鲜活货物
B.快速挂运的货物
C.快运货物
D.装运易腐货物"
[单选题]电流I通过具有电阻R的导体,在时间t内所产生的热量为Q=I2Rt,这个关系式又叫(____)定律。
A.牛顿第一
B.牛顿第二
C.焦耳-楞次
D.欧姆
[判断题]带的接头方法常用的有胶合、缝合、金属器连接三种形式。( )
A.正确
B.错误
[多选题]带电作业应在良好天气下进行,作业前须进行( )测量。
A.风速
B.湿度
C.温度
D.气压
[单选题]电气设备停电后(包括事故停电),在未拉开有关隔离开关(刀闸)和做好安全措施前,不得触及设备或进入遮栏,
A. A.正确
B.B.错误
[单选题]车辆走合保养一般在走合行驶( )公里时进行。
A.1000-2000
B.1500-2000
C.1000-1500
D.2000-3000
[判断题]根据《证券公司债券管理暂行办法》,证券公司债券不包括证券公司发行的可转换公司债券和次级债券。()
[判断题]任何单位和个人对煤矿安全监察机构及其煤安全监察人员的违法违纪行为,有权向上级煤矿安全监察机构或者有关机关检举和控告
()
A.正确
B.错误
[单项选择]
可作为脑挫裂伤的诊断依据( )
A. 中间清醒期
B. 搏动性突眼
C. 腰穿呈血陛脑脊液
D. 视神经乳头水肿
E. 两侧瞳孔不等大
[多项选择]“全国中小学教师教育技术能力”中级培训网络课程(北师大版)主要采用案例教学法进行培训。案例教学法的学习步骤有()
A. 了解每个案例的教学目标
B. 速读案例
C. 再读案例
D. 分析案例
E. 积极参与小组讨论
[单选题]以下不属于零星机械使用申请计划审批人的是( )
A.生产经理
B.总工
C.商务经理
D.项目经理
[单项选择]对于竖向均布荷载作用下的简支梁,跨中处上边缘的( )最大。
A. 拉应力
B. 压应力
C. 剪应力
D. 剪应变
[单选题]进入作业现场应正确佩戴安全帽,现场作业人员应穿( )、绝缘鞋。
A.绝缘服
B.屏蔽服
C.防静电服
D.全棉长袖工作服
[单项选择]关于红外热像仪调焦的作用,以下那种说法正确()。
A. 将远处的物体拉近
B. 将近处的物体放大
C. 得到正确的辐射能量
D. 得到最高的温度值
[多选题]建标〔2013〕44 号文规定,建筑安装工程费按照工程造价形成划分时措施项目费包括( )。
A.安全文明施工费
B.夏季防暑降温费
C.冬雨季施工增加费
D.夜间施工增加费
E.二次搬运费
[单选题]“天下之事,不难于立法,而难于法之必行”,强调依法治国基本格局中的( )。
A..科学立法
B..全民守法
C..公正司法
D..严格执法
[单选题]照镜子,主要是以党章为镜,对照党的纪律.群众期盼.先进典型,对照改进作风要求,在____ .工作作风.廉洁自律上摆问题.找差距.明方向。
A..服务意识
B..大局意识
C..宗旨意识
D..理想信念
[单项选择]泰山高等植物的种类是多少?()
A. 1412
B. 1513
C. 1614
[单选题]每张火车票可投保1份铁路乘意险,成人每份保险费3元,最高保障万( )元意外伤残身故赔偿金和( )万元意外医疗赔偿金。
A.50,5
B.30,3
C.20,2
D.10,1