【判断题】
实验室内应使用空气开关并配备必要的漏电保护器;电气设备应配备足够的用电功率和电线,不得超负荷用电;电气设备和大型仪器须接地良好,电线老化等隐患要定期检查并及时排除
A. 对
B. 错
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
A
解析
暂无解析
相关试题
【判断题】
大型仪器使用中,应注意仪器设备的接地、电磁辐射、网络等安全事项,避免事故发生
A. 对
B. 错
【判断题】
实验室内的电线、开关、灯头、插头、插座等一切电器用具,要经常检查是否完好,有无漏电、潮湿、霉烂等情况。一旦有问题应立即报修
A. 对
B. 错
【判断题】
可以用潮湿的手碰开关、电线和电器
A. 对
B. 错
【判断题】
当手、脚或身体沾湿或站在潮湿的地板上时,切勿启动电源开关和触摸电气用具
A. 对
B. 错
【判断题】
在实验室同时使用多种电气设备时,其总用电量和分线用电量均应小于设计容量
A. 对
B. 错
【判断题】
不使用绝缘损坏或接地不良的电气设备
A. 对
B. 错
【判断题】
负载处于工作状态时,可以插、拔、接电气线路
A. 对
B. 错
【判断题】
接线时,要用合格的电源线,电源插头、插座。电源线接头要用绝缘胶布包好
A. 对
B. 错
【判断题】
可以用湿布擦电源开关
A. 对
B. 错
【判断题】
进行电气维修必须先关掉电源,在设置告知牌后,方可进行
A. 对
B. 错
【判断题】
实验室的电源总闸没有必要每天离开时都关闭,只要关闭常用电气的电源即可
A. 对
B. 错
【判断题】
电源插座附近不应堆放易燃物等杂物
A. 对
B. 错
【判断题】
移动某些非固定安装的电气设备时(如电风扇,照明灯),可以不必切断电源
A. 对
B. 错
【判断题】
任何电气设备在未验明无电时,一律认为有电,不能盲目触及
A. 对
B. 错
【判断题】
当断线落地或大电流从接地装置流入大地时,若人站在附近则可能在两脚之间产生跨步电压
A. 对
B. 错
【判断题】
使用电气设备时可以用两眼插头代替三眼插头
A. 对
B. 错
【判断题】
人体触电致死,是由于肝脏受到严重伤害
A. 对
B. 错
【判断题】
一定强度的电场,磁场,电磁场都可能人有损害
A. 对
B. 错
【判断题】
在遇到高压电线断落地面时,导线断落点20米内,禁止人员进入。如果不慎在此范围内,应背朝电线断落点,采用单脚跳或双脚并跳,撤离现场
A. 对
B. 错
【判断题】
计算机使用完毕后,应将显示器的电源关闭,以避免电源接通,产生瞬间的冲击电流
A. 对
B. 错
【判断题】
触电事故是因电流流过人体而造成的
A. 对
B. 错
【判断题】
为了预防电击(触电),电气设备的金属外壳须接地,最好是埋设接地电阻很小专用地线
A. 对
B. 错
【判断题】
为保证安全用电,配电箱内所用的保险丝应该尽量粗
A. 对
B. 错
【判断题】
在照明电路上可以不用安装漏电保护器
A. 对
B. 错
【判断题】
化学类实验室原则上不得使用明火电炉。确须使用明火电炉进行实验的,须向实验室与设备处申报,经审核批准备案后,方可使用
A. 对
B. 错
【判断题】
各院系要加强剧毒、有害、特殊化学药品的管理,建立严格的领取、发放、登记和主管领导审批制度
A. 对
B. 错
【判断题】
为方便进出专人管理的设备房间,可自行配制钥匙
A. 对
B. 错
【判断题】
实验结束后,应该打扫卫生、整理或运走废弃的试样或物品
A. 对
B. 错
【判断题】
国家秘密载体是指以文字、数据、符号、图形、图像、声音等方式记载国家秘密信息的纸介质、磁介质、光盘等各类物品。磁介质载体包括计算机硬盘、软盘和录音带、录像带等
A. 对
B. 错
【判断题】
禁止邮寄属于国家秘密的文件、资料和其他物品出境,禁止非法携运属于国家秘密的文件、资料和其他物品出境
A. 对
B. 错
【判断题】
实验室应保持整洁有序,不准喧哗、打闹、抽烟
A. 对
B. 错
【判断题】
学生进入实验室学习、工作前应接受安全教育、培训,并通过考核
A. 对
B. 错
【判断题】
进入化学、化工、生物、医学类实验室,可以不穿实验服
A. 对
B. 错
【判断题】
可将食物储藏在实验室的冰箱或冷柜内
A. 对
B. 错
【判断题】
实验结束后,要关闭设备,断开电源,并将有关实验用品整理好
A. 对
B. 错
【判断题】
从事特种作业(如电工、焊工、辐射、病原微生物等)的人员,必须接受相关的专业培训,通过考核并持有相应的资质证书才能上岗
A. 对
B. 错
【判断题】
节假日或假期在实验室做实验必须经导师批准,并报院系备案
A. 对
B. 错
【判断题】
实验室内可以堆放个人物品
A. 对
B. 错
【判断题】
实验室内可以使用电炉、微波炉、电磁炉、电饭煲等取暖、做饭
A. 对
B. 错
【判断题】
实验室内禁止抽烟、进食
A. 对
B. 错
推荐试题
【单选题】
Q2: According to Rubin, what can small companies do to thank holiday workers?___
A. Have talks with their families .
B. Give them good extra benefits .
C. Offer them expensive holiday tokens .
D. Show appreciation to them face to face .
【单选题】
Q3: What can small business owners do to help holiday workers get into the holiday spirit?___
A. Entertain them with big meals .
B. Let them enjoy some holiday games .
C. Give them handmade thank-you cards .
D. Send their families some holiday gift cards .
【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during  holidays .
B. Employees who intend to earn extra  money .
C. Big companies that usually close on  holidays .
D. Small businesses that try to be more  competitive .
【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers
【单选题】
How did the writer feel when he visited his old neighborhood in Washington D.C. ?___
A. Greatly surprised .
B. Very regretful .
C. Quite excited .
D. Very sad .
【单选题】
On his visit to his hometown ,the writer found the old apartment building___
A. see medunfit to live in
B. had been repaired
C. could hardly be recognized
D. looked dirty and smelt horrible
【单选题】
" Youcan never go home again "inthe last sentence of this passage means that___
A. one should never revisit his hometown after many years of absence
B. one will never find his hometown the same as it was in his childhood memory
C. avisit to one's hometown will bring back one's fond memories of home
D. avisit to one's hometown will bring back many sad memorie
【单选题】
We learn from the passage that Tracy died___
A. on December 8,1992
B. of brain damage
C. 24 hours after he fell off the roof of a car
D. in a car crash
【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents 
B. the local organ bank wanted to see how both families felt about the donation 
C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
A. from his parents
B. from the organ bank
C. from the hospital
D. from the doctor who performed the operation
【单选题】
The meeting between the two families helped to ease the Marshes'suffering because___
A. they saw that David looked very much like their son
B. they saw that David had regained health with Tracy's liver
C. they now had someone to share their memories of Tracy
D. they now knew for sure they had done the right thing
【单选题】
The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
B. her husband kept criticizing her
C. she was so unattractive
D. she had a self-esteem problem
【单选题】
When the writer asked for a divorce ,her husband___
A. told her that she would never find one who loved her as he did
B. delayed two years before giving her a reply
C. accused her of having an affair
D. said that she was unattractive and not worth loving
【单选题】
When the writer first met Clint ,she felt that___
A. she should have listened to her friend and met Clint earlier
B. Clint was a nice ,dazzling young man
C. Clint could not be really interested in her
D. she would find true love in Clint
【单选题】
The writer was particularly touched by Clint because___
A. he loved her children and asked for their approval of the marriage
B. he said that he could not imagine a life without her and the children 
C. he believed that at 2 and 4 ,the two children were the "menof the house "
D. hekept her company and talked with her until the next morning
【单选题】
The writer's marriage to Clint is important to her mainly because___
A. it gave her and her sons a second chance to live a happy life 
B. every day Clint would tell the writer that he loved her
C. it helped her to regain her self respect
D. it made her children happy ,which is all she cared about in life
【单选题】
What was Goodall's childhood dream ?___
A. She dreamed of going to college .
B. She dreamed of studying animals in Africa .
C. She dreamed of becoming a scientist .
D. She dreamed of traveling all around the world .
【单选题】
What did Goodall's mother think of her dream ?___
A. As a girl she should not go to the African jungle .
B. Her dream would remain a dream unless she got the right training .
C. As a girl she should stay away from violent animals .
D. She could make her dream come true if she was determined .
【单选题】
Goodall's most important discovery was that___
A. some animals use tools
B. like humans animals have emotions
C. chimpanzees could attack each other violently
D. termites are chimpanzees'favorite food
【单选题】
Goodall's success is chiefly due to her___
A. exceptional talents
B. scientific training
C. determination and patience
D. enthusiasm and good luck
【单选题】
What is Goodall doing now ?___
A. Studying animal behavior at Cambridge University .
B. Raising funds for the preservation of wildlife .
C. Observing chimpanzees in African jungles .
D. Working hard supervising postgraduate students.
【单选题】
___是我们理解当前所处历史方位的关键词。
A. 新时期
B. 新时代
C. 重要战略机遇期
D. 关键期
【单选题】
中国特色社会主义进入新时代,意味着科学社会主义在21世纪的中国焕发出强大生机活力,在世界上高高举起了___伟大旗帜。
A. 小康社会
B. 社会主义现代化强国
C. 和谐社会
D. 中国特色社会主义
【单选题】
“思想道德修养与法律基础”,是一门融思想性、政治性、科学性、理论性、实践性于一体的___课。
A. 专业基础
B. 通识教育
C. 思想政治理论
D. 专业选修
【单选题】
党的十九大提出到本世纪中叶,要把我国建设成富强、民主、文明、和谐、___的社会主义现代化强国。
A. 复兴
B. 和谐
C. 幸福
D. 美丽
【单选题】
思想道德和___都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
A. 法律
B. 宗教
C. 风俗
D. 文化
【单选题】
中国特色社会主义思想道德建设和___紧密联系、相互促进,为中国特色社会主义事业提供坚实的思想基础、精神支撑和法治保障。
A. 中国特色社会主义文化建设
B. 中国特色社会主义经济建设
C. 中国特色社会主义政治建设
D. 中国特色社会主义法治建设
【单选题】
___是中国最早的现代大学。
A. 清华大学
B. 北京大学
C. 复旦大学
D. 浙江大学
【单选题】
《礼记·中庸》认为,道德修养应“莫见乎隐,莫显乎微,故君子慎其独也”。这种“慎独”的道德修养方法要求我们在学习“思想道德修养与法律基础”课时要注重___。
A. 学习科学理论
B. 理论联系实际
C. 知行统一
D. 多思考深理解
【单选题】
“业精于勤,荒于嬉;行成于思,毁于随”,这句话说明了学习必须做到___
A. 勤奋
B. 严谨
C. 求实
D. 创新
【单选题】
大学生活的中心内容应是___
A. 社会活动
B. 培养动手能力  
C. 恋爱
D. 学习
【单选题】
创新学习的基础是___
A. 实事求是  
B. 解放思想
C. 求真务实
D. 善于思考
【单选题】
“知之为知之,不知为不知,是知也。”这句话告诉我们,在学习上一定要培养___的优良学风。
A. 求实
B. 一丝不苟
C. 勤奋
D. 敢为人先
【单选题】
以下关于思想道德和法律的关系表述错误的是___。
A. 思想道德为法律提供制度保障。
B. 思想道德为法律提供思想指引和价值基础
C. 思想道德和法律都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
D. 坚持和发展中国特色社会主义,既要发挥思想道德的引领和教化作用,又要发挥法律的规范和强制作用。
【单选题】
___是人们的思想观念、政治立场、价值取向、道德情操和行为习惯等方面品质和能力的综合体现,反映着一个人的思想境界和道德风貌。
A. 思想政治素质
B. 道德素质
C. 思想道德素质
D. 法治素质
【单选题】
“人的本质不是单个人所固有的抽象物,在其现实性上,它是一切社会关系的总和。”这句话说明___
A. 自然属性是人的本质属性
B. 社会属性是人的本质属性
C. 自然属性和社会属性都是人的本质属性
D. 自然属性和社会属性都不是人的本质属性
【单选题】
马克思运用辩证唯物主义和历史唯物主义的立场、观点和方法,揭开了人的本质之谜,指出人的本质是___。
A. 单个人所固有的抽象物
B. 一切社会关系的总和
C. 人性本善
D. 人性本恶
【单选题】
马克思指出:人的本质不是单个人所固有的抽象物,在其现实性上,它是一切___的总和。
A. 生产关系
B. 经济关系
C. 社会关系
D. 政治关系