【判断题】
有限空间作业，检测人员进行检测时，应当采取相应的安全防护措施，防止中毒窒息等事故发生
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相关试题
【判断题】
有害有毒气体、可燃气体、粉尘容许浓度应符合国家标准的安全要求，不符合时应采取清洗或置换等措施
【判断题】
限空间作业场所应使用安全矿灯或36V以下的安全灯，潮湿环境下应使用12V的安全电压
【判断题】
有限空间作业中发生事故，现场有关人员应当立即组织施救并报警
【判断题】
机动车辆运输应按《中华人民共和国安全生产法》的有关规定执行
【判断题】
重要物资运输前应事先对道路进行勘察，需要加固整修的道路应及时处理
【判断题】
冬季车辆过冰河时，应根据当地气候情况和河水冰冻程度决定是否行车，不得盲目过河
【判断题】
滚动电缆盘的地面应平整，滚动电缆盘应逆着电缆缠紧方向，破损的电缆盘不应滚动
【判断题】
承担运输任务的船舶应安全可靠，船舶上应配备救生设备，并签订安全合同
【判断题】
运输用的工器具应牢固可靠，每次使用后应进行认真检查
【判断题】
用跳板或圆木装卸滚动物件时，应用绳索控制物件。物件滚落侧方禁止有人
【判断题】
起重机操作人员应按规定的起重性能作业，非特殊情况不得超载
【判断题】
起重机械可以利用限制器和限位装置代替操纵机构
【判断题】
各类起重机械应装有音响清晰的喇叭、电铃或汽笛等信号装置
【判断题】
起重作业应划定作业区域并设置相应的安全标志，无关人员也可以进入
【判断题】
雨雪过后作业前，应先试吊，确认制动器灵敏可靠后方可进行作业
【判断题】
起吊物体应绑扎牢固，吊钩应有防止脱钩的保险装置
【判断题】
起重设备瓷质组件吊装时应使用不危及瓷质安全的吊索，例如钢丝绳等
【判断题】
操作人员应按照指挥人员的信号进行作业，当信号不清或时，操作人员可拒绝执行
【判断题】
焊接与切割设备应按制造厂提供的操作说明书和安全规程使用
【判断题】
焊接或切割作业尽可能在无火灾隐患的条件下实施
【判断题】
电焊机各电路对机壳的热态绝缘电阻不得高于0.4Ω
【判断题】
电焊导线不得靠近热源，且禁止接触钢丝绳或转动机械
【判断题】
电焊工宜使用反射式镜片。清除焊渣时应戴防护眼镜
【判断题】
若运行中出现各种异常应立即关闭电源和气源
【判断题】
当消除焊缝焊渣时，可以不戴防护眼镜，头部应避开敲击焊渣飞溅方向
【判断题】
禁止与所装气体混合后能引起燃烧、爆炸的气瓶一起存放
【判断题】
动火作业现场的通排风应良好，以保证泄漏的气体能顺畅排走
【判断题】
加强夏季防火管理，易燃易爆品应集中存放
【判断题】
铁塔、构架、避雷针、避雷线一经安装应接地
【判断题】
用明火加热时，配备足量的消防器材，人员离场应及时熄灭火源
【判断题】
当环境温度低于5℃时不宜进行室外施工作业
【判断题】
起重机行驶和作业的场地应保持平坦坚实，机身倾斜度不得超过制造厂的规定，其车轮、支腿或履带的前端、外侧与沟、坑边缘的距离不得小于沟、坑深度的1.5倍
【判断题】
施工现场应消除对机械作业有妨碍或不安全的因素。夜间作业应设置充足的照明
【判断题】
泵机运转时，不应将手或铁锹伸入料斗或用手抓握分配阀。当需在料斗或分配阀上作业时，应先关闭电动机，并消除蓄能器压力
推荐试题
【单选题】
关于深化机构和行政体制改革，以下说法不正确的是_____。
A. 赋予省级及以下政府更多自主权
B. 深化简政放权，建设人民满意的服务型政府
C. 在省市县对职能相近的党政机关全面实行合署办公
D. 统筹考虑各类机构设置，科学配置党政部门及内设机构权力
【单选题】
坚持中国特色社会主义法治道路的根本目的是_______
A. 坚持人民主体地位
B. 体现人民意志
C. 保障人民权益
D. 维护全心全意为人民服务宗旨
【单选题】
中国特色社会主义法治之魂是_________。
A. 依法治国
B. 党的领导
C. 依法立法
D. 严格执法
【单选题】
党的十八大以来，全面从严治党卓有成效，反腐败斗争压倒性态势____。
A. 已经形成并巩固发展
B. 逐步形成
C. 不断深化
D. 日益稳固
【单选题】
全党要不断增强党的_____，确保我们党永葆旺盛生命力和强大战斗力。
A. 群众领导力、思想组织力、社会凝聚力、政治向心力
B. 政治领导力、思想引领力、群众组织力、社会号召力
C. 政治领导力、思想引领力、群众发展力、社会号召力
D. 政治领导力、思想引领力、群众组织力、社会向心力
【单选题】
1___
A. She is going to have a lot of vanilla icecream.
B. She won the pelling competition at her school.
C. She is going to the state capital for a competition.
D. She spelled“exellence" correctly, but others didn't.
【单选题】
2___
A. His family moved to Sacramento to settle down.
B. His family bought him a new suit and a new tie.
C. He went to Sacramento for a spelling competition.
D. He won the first prize in the state spelling competition.
【单选题】
3___
A. Tomake him feel better after he lost the first prize.
B. To apologize for not buying him some ice cream.
C. To wish him good luck in the next competition.
D. To congratulate him on winning the frst prize.
【单选题】
4___
A. Red.
B. Blue.
C. Green.
D. Yellow.
【单选题】
1___
A. Superstitions and science.
B. Tips on how to have good luck.
C. Superstitions in the United States.
D. Rational and superstitious societies.
【单选题】
2___
A. Walking under a ladder.
B. Dreaming of a black cat.
C. Hanging a mirror in the house.
D. Stepping on one's own shadow.
【单选题】
3___
A. Because black cats look like witches.
B. Because black cats were thought to be witches.
C. Because black cats bring seven years of bad luck.
D. Because black cats are hard to notice in darkness.
【单选题】
4___
A. Breaking a mirror on purpose.
B. Catching a falling leaf on one's birthday.
C. Finding a penny on the ground and picking it up.
D. Dreaming of blowing out the candles in one blow.
【单选题】
1___
A. Read J. K. Rowling's first book.
B. Go to buy a new Harry Potter book.
C. Watch BBC news about J. K. Rowling.
D. Take her cousin to see a new Harry Potter movie.
【单选题】
2___
A. At a café.
B. Ona train.
C. At a cinema.
D. In a bookstore.
【单选题】
3___
A. She won't write any more books.
B. She will write more magic stories.
C. She hasn't said anything about her future plans.
D. She said she would work on more serious subjects.
【单选题】
4___
A. J. K. Rowling's secret.
B. J. K. Rowling's writing plan.
C. A new book by J. K. Rowling.
D. An interview with J. K. Rowling.
【单选题】
1___
A. He broke the milk bottle.
B. He fell down on the floor.
C. He made a mess inside the refrigerator.
D. He spilled the milk over the kichcn floor.
【单选题】
2___
A. Ѕhе gаvе hіm а lоng leсture.
B. She shouted at him in anger.
C. She enjoyed the wonderful mess.
D. She cleaned up the mess with him.
【单选题】
3___
A. How to do an experiment.
B. How to carry amilk bottle.
C. How to clean up spilled milk.
D. How to avoid making mistakes.
【单选题】
4___
A. Mistakes can become learning opportunities.
B. Mistakes are just like scientific experiments.
C. One should sometimes make mistakes.
D. One should try to avoid making mistakes.
【单选题】
1___
A. Because he likes the sunny weather,
B. Because he wants to challenge himself.
C. Because it can help solve his sleeping problem.
D. Because it can help him forget all his troubles.
【单选题】
2___
A. To go sailing.
B. To go surfing.
C. To go to the beach.
D. To go to her nephew's.
【单选题】
3___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach.
C. Building sand castles with her niece and nephew.
D. Playing in the sand and jumping in the waves.
【单选题】
4___
A. Surfing in the sea.
B. Collecting seashells.
C. Building sand castles.
D. Jumping in thewaves.
【单选题】
1___
A. 89 percent.
B. 84 percent.
【单选题】
2___
A. People aged 16to 24.
B. People aged 25 to 34.
C. People aged 16 and over.
D. People aged 55 and over.
【单选题】
3___
A. People aged16 to 24 preferred listening to music most.
B. more popularB It was geting more andamong the Bish people.
C. Trwas the third most popular ativity among people aged 55 and over.
D. People aged 25 to 34 listened to musicmore often than those aged 16 to 24.
【单选题】
4___
A. Older people go out to pubs more often.
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and gardening.
D. Younger people spend less time visiting friends and family.
【单选题】
1___
A. 4 hours.
B. 2 hours.
C. 1.5 hours.
D. 45 minutes.
【单选题】
2___
A. At 8.
B. At 7.
C. At 6.
D. At 5.
【单选题】
3___
A. She can either read or rest a little on the train.
B. She can read and respond to emails on the train.
C. She can travel to many different parts of the city.
D. She can go shopping on her way home from work.
【单选题】
4___
A. He can take the train to the old part of the city.
B. He can save a lot of money when he takes the train.
C. He can save 20 minutes to go to work with the train.
D. Hecan take the train to the airpor insted of driving.
【单选题】
1___
A. About an hour.
B. More than an hour.
C. About half an hour.
D. More than one and a half hours.
【单选题】
2___
A. More and more Americans spend over an hour getting to work.
B. Over 10 percent of Americans spend less than an hour getting to work.
C. Only New York people spend more than 90 minutes getting to work.
D. Over 10 percent of Americans spend more than 90 minutes getting to work.
【单选题】
3___
A. Because gas prices are not high.
B. Because the commute is not tiring.
C. Because he can attend a better school.
D. Because he can have his favorite lifestyle.
【单选题】
4___
A. Traffic jams.
B. Expensive housing.
C. Poorer life quality.
D. A tiring and boring trip.
【单选题】
1___
A. She liked playing an interesting game.
B. She enjoyed seeing many of her old friends.
C. She enjoyed wearing her Halloween costume.
D. She liked the decorations in Jason's front yard.
【单选题】
2___
A. None of her friends likes Jason.
B. None of Jason's guests is young.
C. She wants to go to Linda's party.
D. She went to Jason's party last year.
【单选题】
3___
A. The party will last four hours.
B. Six people will attend the party.
C. They will have huge bags of candy.
D. They will play a new game called Guess Who"
