热门试题:
[单项选择]Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.
They do not provide energy, (31) do they construct or build any part of the body. They are needed for (32) foods into energy and body maintenance. There are thirteen or more of them, and if (33) is missing a deficiency disease becomes (34)
Vitamins are similar because they are made of the same elements—usually carbon, hydrogen, oxygen, and (35) nitrogen. They are different (36) their elements are arranged differently, and each vitamin (37) one or more specific functions in the body.
(38) enough vitamins is essential to life, although the body has no nutritional use for (39) vitamins. Many people, (40) , believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body’s vitamin needs
A. exceptional
B. exceeding
C. excess
D. external
[单项选择]因作业必需临时拆除或变动安全防护设施时,必须经()同意,采取相应的可靠措施,作业后应立即恢复。
A. 安全员
B. 技术员
C. 班长
D. 项目负责人
[判断题]通电导线所在处磁感应强度的方向就是该点的磁场方向。( )
A.正确
B.错误
[单项选择]
Speech, whether oral or written, is a used commodity. If we are to be heard, we must (1) our words from those (2) to us within families, peer groups, societal institutions, and political networks. Our utterances position us both in an immediate social dialogue (3) our addressee and, simultaneously, in a larger ideological one (4) by history and society. We speak as an individual and also, as a student or teacher, a husband or wife, a person of a particular discipline, social class, religion, race, or other socially constructed (5) . Thus, to varying degrees, all speaking is a (6) of others’ words and all writing is rewriting. As language (7) , we experience individual agency by infusing our own intentions (8) other people’s words, and this can be very hard.
(9) , schools, like into churches and courtrooms, are places (10) people speak words that are more important than they a
A. essential
B. attainable
C. usable
D. available
[单项选择]Which name is not mentioned when the man tried to quote some sayings to calm down
A. Plato.
B. Webster.
C. George Herbert.
D. Pythagoras.
[单项选择]东风EQ1090型汽车冷却系采用()节温器
A. 蜡式双阀式
B. 折叠式
C. 单阀式
D. 乙醚式
[单选题]教学过程的中心环节是( )
A.运用知识
B.巩固知识
C.检查知识
D.领会知识
[单选题]电缆隧道应有充足的( ),并有防火、防水、通风的措施。
A.A.食物
B.B.水分
C.C.照明
[判断题]凡是治安案件中有被侵害人的,应当将治安管理处罚决定书送达被侵害人。
A.正确
B.错误
[判断题]在总回风巷和专用回风巷中可以敷设电缆。(0.08分)
A.正确
B.错误
[单项选择]一家公司的毛利率是50%,管理费用是50美元,利息费用是20美元,年末净收益是10美元。如果公司的税前利润是50%,那么公司这1年的销售收入是()。
A. 90美元
B. 135美元
C. 150美元
D. 180美元
[单项选择]
How can English teachers accelerate the language learning of their students One way is to teach students how to learn more effectively and efficiently. Learning strategies are "Procedures or techniques that learners can use to facilitate a learning task. " Instructing students of English in learning strategies can help them become better learners. In addition, skill in using learning strategies assists students in becoming independent, confident learners. Finally, students become more motivated as they begin to understand the relationship between their use of strategies and success in learning English.
Students need to develop an awareness of the learning process and strategies that lead to success. Students who reflect on their own thinking are more likely to engage in pianning how to proceed with a learning task, monitoring their own performance on an ongoing basis, finding solutions to problems encountered, and evaluating themselves upon task completion. Thes
A. fun
B. interesting
C. efficient
D. exciting
[配伍题]腰下肢痛、下肢末梢血循环障碍、髋关节痛、L1~4神经区带状疱疹是()|髋关节手术后疼痛、外伤后疼痛、带状疱疹疼痛,感觉异常性股神经痛是()|
A. 股神经阻滞的适应证
B. 坐骨神经阻滞的适应证
C. 股外侧皮神经阻滞的适应证
D. 闭孔神经阻滞的适应证
E. 腰大肌间沟阻滞的适应证
[判断题]驾驶员通常采用三点式安全带,其正确的佩戴方法是:三点式安全带的跨带应系得尽可能低些,紧贴臀部,刚刚接触大腿为合适;三点式安全带的肩带应经过肩部,斜挂胸前。( )
A.正确
B.错误
[单选题]信号机开放绿灯时,电流是( )mA。
A.AC120-130
B.AC120-140
C.AC110-140
D.AC120-160
[单选题]“人的思维是否具有真理性,这并不是一个理论的问题,而是一个实践的问题。人应该在实践中证明自己思维的真理性,即自己思维的现实性和力量,亦即自己思维的此岸性。”这一论断说明了( )
A.实践是认识的来源和动力
B.实践是检验认识是否具有真理性的唯一标准
C.实践检验真理不需要理论指导
D.认识活动与实践活动具有同样的作用和力量
[单选题]党的十九大报告强调要深化国防科技工业改革,形成军民融合深度发展格局,构建( )的国家战略体系和能力。
A. 一体化
B. 智能化
C. 联合化
D. 信息化
[判断题]对境外客户、个人客户不开具增值税普通发票。
A.正确
B.错误
[单选题]患者男,40岁。建筑工人,因工伤急诊入院。经积极抢救,治疗1周后病情未有好转,继而出现多器官功能衰竭,难以康复。家属和单位得知患者情况后,出现了两种态度,家属要求放弃治疗,而单位要求继续治疗。此时,医护人员应
A.尊重家属意见,停止治疗
B.尊重单位意见,继续治疗
C.意见不统一情况下,采取支持疗法
D.根据患者病情,慎重作出选择
E.取得家属和单位支持,停止治疗
[单选题]原则上不接受超出授信行所在省、自治区、直辖市范围的押品。确有必要接受的,须报()批准。
A.授信行所属一级分行
B.二级分行
C.总行
D.一级分行或总行
[多选题]4.129. 第129题
需要解除防误闭锁装置才能进行巡视的,巡视周期由各运维单位根据变电站( )及( )在现场运行专用规程
中明确。
A.负荷情况
B.运行环境
C.人员配置
D.设备情况
[单选题]为了使国家、公共利益、本人或者他人的人身、财产和其他权利免受正在进行的不法侵害,而采取的制止不法侵害的行为,对不法侵害人造成损害的,属于( )。
A.正当防卫
B.过失行为
C.意外事件
D.紧急避险
[多选题]以下属于乘客事物处理原则的是( )
A.首问责任制原则
B.投诉无申辩原则
C.现场处理原则
D.准时原则
[单选题]黏性土具有抗剪强度的原因是黏性土本身具有( )。
A.摩阻力
B.摩阻力和黏聚力
C.摩擦力和咬合力
D.黏聚力
[单项选择]在进步教育运动中,美国教育家克伯屈的主要贡献在于创立了()
A. 葛雷制
B. 昆西教学法
C. 道尔顿制
D. 设计教学法
[单项选择]班前安全讲话内容是以下()点。
A. 主要介绍公司内外发生的事故情况和应吸取的事故教训
B. 开展每日一题的安全问答
C. 对遵守安全制度的好人好事进行表扬,对违反安全制度的人与事进行批评
D. 以上都是
[单选题]《安全生产法》规定,生产经营单位采用新工艺、新技术、新材料或者使用新设备,必须了解、掌握其( )特性,采取有效的安全防护措施,并对从业人员进行专门的安全生产教育和培训。
A.材料
B.商品
C.安全技术
[判断题]2.94 检验监管系统用户应实行分级管理,系统管理员、监督人员、机动车安全技术检验机构人员应授予不同的权限。
A.正确
B.错误