【简答题】
什么是接地保护?
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
答： 接地保护又称保护接地，就是将电气设备的金属外壳与接地体连接,以防止因电气设备绝源损坏使外壳带电时，操作人员接触设备外壳而触电。
解析
暂无解析
相关试题
【单选题】
工商管理局干部姚某在审核某有限责任公司的注册申请时,提出以下不予批准的理由,其中哪一条不符合《公司法》的规定?___
A. 公司名称未表明有限责任公司字样
B. 股东甲没有在公司章程上签名、盖章
C. 股东乙是一家与该公司经营业务相同的N公司的股东
D. 股东丙未缴足其出资额
【单选题】
以下四人分别基于不同身份向人民法院申请一家有限责任公司破产。其中何者具有法律规定的破产申请资格?___
A. 李某,该公司股东
B. 张某,该公司董事
C. 陈某,该公司监事
D. 刘某,该公司的债权人
【单选题】
在清算过程中,合伙企业财产在支付清算费用后,按如下顺序清偿:___
A. 所欠职工工资和劳动保险费用;合伙企业所欠税款;合伙企业的债务;返还合伙人的出资;按合伙企业既定的利润分配比例进行分配。
B. 合伙企业所欠税款;合伙企业的债务;返还合伙人的出资;按合伙企业既定的利润分配比例进行分配;所欠职工工资和劳动保险费用。
C. 合伙企业的债务;返还合伙人的出资;按合伙企业既定的利润分配比例进行分配;所欠职工工资和劳动保险费用;合伙企业所欠税款。
D. 返还合伙人的出资;按合伙企业既定的利润分配比例进行分配;所欠职工工资和劳动保险费用;合伙企业所欠税款;合伙企业的债务。
【单选题】
某合伙企业办理设立登记,向企业登记机关提交了以下文件,其中哪件不是《合伙企业法》规定必须提交的文件?___
A. 登记申请书
B. 合伙协议书
C. 合伙人的身份证明
D. 合伙人的财产状况证明
【单选题】
D、乙、丙在入伙协议书上签字;戊依据丁从国外发回的传真委托代为在该协议书上签字14、合伙企业的合伙人甲在单独执行企业事务时,未经其他合伙人同意,独自决定实施了下列行为。其中哪一项行为的实施,违反了《合伙企业法》的规定?___
A. 购置房产
B. 为购房而向银行贷款
C. 以企业的土地使用权向银行提供抵押
D. 聘请律师办理购置房产手续
【单选题】
某公司申请再次发行公司债券。以下情况中,哪一个构成审批机关拒绝批准的正当理由? ___
A. 该公司为国有独资公司
B. 该公司的净资产为人民币6500万元
C. 该公司的债券发行额,上次为1500万元,本次为1000万元
D. 该公司上次发行的实际募集率为95%
【单选题】
以生产经营为主的公司的注册资本不少于人民币()万元;以商品批发为主的公司的注册资本不少于人民币()万元;以商业零售为主的公司的注册资本不少于人民币()万元;科技开发、咨询、服务性公司的注册资本不少于人民币()万元。___
A. 50万元;50万元;30万元;10万元
B. 50万元;30万元;10万元;50万元
C. 30万元;50万元;50万元;10万元
D. 10万元;50万元;50万元;30万元
【单选题】
知识产权价值可能会随着技术市场和普通市场的变化而发生较大的变化,为了维持公司一定的资本价值量,以无形财产作为注册资本的,一般不得超过公司总注册资本的(),特殊情况需要超过的,需要经过国家有关部门的核准,一般不超过()。经国家批准的少数高新技术开发区,以知识产权作为注册资本占公司总注册资本的比例可以高于___
A. 20%,35%,35%。
B. 35%,20%,35%。
C. 35%,35%,20%。
D. 35%,20%,20%。
【单选题】
根据公司法的规定,有下列何种情形者,可以担任公司的董事。___
A. 无民事行为能力人或者限制民事行为能力人
B. 因经济犯罪被判处有期徒刑,执行期满未逾五年
C. 对企业破产负有个人责任,自破产清算完结之日起未逾三年
D. 个人所负数额较大的债务
推荐试题
【单选题】
Q2: Why did some stores open at midnight on Thanksgiving night?___
A. To attract young customers .
B. To beat other stores for sale.
C. To let people sleep late the next day .
D. To keep people stay up for the night .
【单选题】
Q3: How many Black Friday shoppers were reported to go to the shops at midnight this year?___
A. 24 percent .
B. 37 percent .
C. 9.5 percent .
D. 23.5 percent .
【单选题】
Q4: What can we learn about the 15-year-old Jenny?___
A. She and her cousins went back home at midnight .
B. She liked the traditional 4 a.m. Black Friday.
C. She preferred midnight shopping to early morning shopping .
D. She and her cousins got up very early to buy discounted items .
【单选题】
Q1: Why did the woman decide to do a triathlon?___
A. Because she did it in college .
B. Because she wanted to be tough .
C. Because her sister did it and liked it .
D. Because her sister said it was good for her .
【单选题】
Q2: When did the man first do a triathlon?___
A. Last year .
B. In college .
C. Last week .
D. In high school .
【单选题】
Q3: How does the man feel about running?___
A. Boring.
B. Scaring .
C. Exciting .
D. Interesting .
【单选题】
Q4: Why doesn’t the woman like swimming in the triathlon?___
A. Because she fears that a big fish might eat her .
B. Because she fears that she would get lost in lakes .
C. Because she doesn't want to scare away small fishes .
D. Because she doesn't like swimming with many people .
【单选题】
Q1: What is the ratio of positive to negative emotions that can make a person happier?___
A. 1:3.
B. 3 :1.
C. 1 :10 .
D. 10 :1.
【单选题】
Q2: What is the most exciting finding about increasing positive emotions?___
A. It improves relationships .
B. It leads to greater success .
C. It helps develop creativity .
D. It contributes to good health .
【单选题】
Q3: What does the speaker say about negative feelings?___
A. People should turn every negative feeling around .
B. Negative feelings can sometimes have positive effects .
C. Negative feelings often cause people to make mistakes .
D. People should never show negative feelings in public places .
【单选题】
Q4: What is the main idea of the passage?___
A. People should learn to manage their emotions .
B. People should be patient with their negative feelings .
C. People should learn to analyze causes of unhappiness .
D. People should identify as many positive feelings as possible .
【单选题】
Q1: What are the man and woman talking about?___
A. Whether nature is magical and kind .
B. Whether nature is powerful and full of risks .
C. Whether Christopher was well prepared for the trip .
D. Whether Christopher's trip to Alaska was worthwhile .
【单选题】
Q2: What can we learn about Christopher?___
A. He made a film about his trip to Alaska .
B. He wrote a story about his trip to Alaska .
C. He died while having an adventure in Alaska .
D. He learned how powerful and risky Alaska was .
【单选题】
Q3: What does the woman think about Christopher taking the trip to Alaska?___
A. He was too foolish .
B. He was really romantic .
C. He had a very kind heart .
D. He had a spirit for trying things .
【单选题】
Q4: Which of the following is NOT mentioned as something that would have saved Christopher’s life?___
A. A gun to hunt .
B. The map of the area .
C. Emergency food supplies .
D.
E. mergency communication equipment .
【单选题】
Q1: What speed can an avalanche reach within five seconds of taking off?___
A. At 8 miles an hour .
B. At 18 miles an hour .
C. At 80 miles an hour .
D. At 88 miles an hour .
【单选题】
Q2: According to the passage, under what circumstances may an avalanche occur?___
A. There are too many layers of snow on the .
B. There is a layer of snow covering an entire area .
C. The top layer of snow slides off the layer below it .
D. The layer of snow below the surface becomes unstable .
【单选题】
Q3: What are skiers advised to do to avoid being caught in an avalanche?___
A. Ski only in the official ski areas .
B. Look for solid snow to walk on .
C. Look out for each other while skiing .
D. Learn to control themselves in an avalanche .
【单选题】
Q4: Why does the ski patrol use explosives?___
A. To dig holes in the snow .
B. To close the area for skiing .
C. To make an avalanche move on purpose .
D. To' check how different layers are holding up .
【单选题】
Q1:What is conversation mainly about?___
A. The woman's happy college life the man's doubt .
B. The woman's spending habits and the man's concerns .
C. The man's reminding the woman of the exam this Thursday .
D. The man's support for the woman over the past 15 years .
【单选题】
Q2:What did the woman do last night?___
A. She bought a new leather coat .
B. She studied very hard for an exam .
C. She treated all her friends to dinner .
D. She went to a concert with her friends .
【单选题】
Q3:Where did the woman get the money?___
A. She just received her student loan .
B. She saved some money for herself .
C. She borrowed the money from her friends .
D. She asked her mom to send her the money .
【单选题】
Q4:What is the man?___
A. A teacher of biology .
B. An undergraduate student .
C. A freshman in biology class .
D. A graduate teaching assistant .
【单选题】
Q1: What is this passage mainly about?___
A. How businesses can compete with each other .
B. How small businesses operate during holidays .
C. How small businesses manage holiday workers .
D. How can earn more money during holidays .
【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
