【判断题】
感应雷也称作雷电感应,分为静电感应雷和电磁感应雷。
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严禁在装有避雷针的构筑物上架设通信线、广播线或低压线。
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室颤电流即最小致命电流,与电流持续时间关系密切。
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成年男性平均感知电流比女性大,因此男性比女性对电流更敏感。
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易燃气体气瓶的首次充装或定期检验后的首次充装,必须经置换或抽真空处理后进行。
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压力容器爆破时所能释放的能量与它的工作介质的物性状态没有关系。
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《压力容器安全技术监察规程》规定,液氧罐的操作人员,严禁使用带油脂的工具和防护用品。
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《气瓶安全监察规程》规定,不允许瓶对瓶直接倒气。
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职业病危害严重的建设项目,其职业病危害预评价报告应当报安全生产监督管理部门审核,职业病防护设施设计应当报安全生产监督管理部门审查,职业病防护设施竣工后,由安全生产监督管理部门组织验收。
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职业病诊断、鉴定的费用由用人单位承担,再次鉴定的费用由个人承担。
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化学危险品库、氢氧站、油料库等应远离火源,布置在厂区边缘地区及最小频率风向的上风侧。
【判断题】
一般可燃物质的燃烧都经历氧化分解、着火、燃烧等阶段。
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混合物的爆炸极限不是固定的,而是随混合物的温度、压力等变化的。
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进入危险化学品库区的机动车辆应安装防火罩。机动车装卸货物后,不得在库内、库房、货场停放和修理。
【判断题】
储存危险化学品的建筑必须安装通风设备,并注意设备的防护措施。
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毒物毒性能导致全部实验动物死亡的剂量,称为绝对致死剂量,用LD100表示。
【判断题】
危险化学品的标志设主标志由表示危险化学品危险特性的图案、文字说明、底色和危险类别号四个部分组成的菱形标志。副标志图形与主标志相同。
【判断题】
有毒品在水中的溶解度越大,其危险性也越大。
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自燃点与闪点一样都是可燃物质的固有性质。
【判断题】
《常用危险化学品的分类及标志》中此图形为爆炸品的安全标志。
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安全标准化是指为安全生产活动获得最佳秩序,保证安全管理及生产条件达到法律、行政法规、部门规章和标准等要求制定的规则。
【判断题】
危险化学品库房门应为木质门,采用外开式,设置高侧窗。(剧毒物品仓库的窗户应加设铁护栏)。
【判断题】
盛装危险化学品的容器或包装,在经过处理并确认其危险性完全消除之后,方可撕下安全标签,否则不能撕下相应的安全标签。
【判断题】
无论是新型包装、重复使用的包装、还是修理过的包装均应符合危险货物运输包装性能试验的要求。
【判断题】
库存危险化学品应保持相应的垛距、墙距、柱距。
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按照《建筑设计防火规范》可燃固体,其火灾危险性为丁类。
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储存危险化学品的建筑是否安装通风设备,根据具体情况而定。
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未取得危险化学品经营许可证,任何单位和个人不得经营危险化学品。
【判断题】
经营销售危险化学品的单位,应当取得危险化学品经营许可证并经工商管理部门登记注册。
【判断题】
储存危险化学品的建筑物可以有地下室或其他地下建筑。
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在可能发生人身伤害、设备或设施损坏和环境破坏的场合,事先采取措施,防止事故发生。
【判断题】
剧毒化学品以及储存数量构成重大危险源的其他危险化学品,应当在专用仓库内单独存放,实行双人收发、单人保管制度。
【判断题】
腐蚀性物品,包装必须严密,不允许泄漏,严禁与液化气体和其他物品共存。
【判断题】
《生产安全事故报告和调查处理条例》适用于生产经营活动中发生的造成人身伤亡或者直接经济损失的生产安全事故的报告和调查处理。
【判断题】
依据的法律、法规、规章和标准发生变化的生产经营单位应急预案应当及时修订。
【判断题】
根据演练规模和观摩需要,可编制演练观摩手册。演练观摩手册通常包括应急演练时间、地点、情景描述、安全注意事项等。
【判断题】
当发生危险化学品事故时,现场人员必须根据各自企业制定的事故预案采取积极有效的抑制措施,尽量减少事故蔓延,并向有关部门报告和报警。
【判断题】
在应急救援过程中生产经营单位安全部门协助总指挥做好事故报警、情况通报及事故处置等工作。
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Smart phones – with cameras and color screens – can ___ images and data using wireless network technology.
A. evolve
B. depart
C. transmit
D. assure
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Don’t take someone you get to know from the Internet to your house no matter how ___ he sounds.
A. bold
B. genuine
C. flexible
D. available
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This kind of exercise will ___ your creativity, renew your energy, and unlock your potential.
A. bind
B. yield
C. embrace
D. stimulate
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I’ll be happy to help you, ___ you won’t take up too much of my time.
A. as well as
B. as long as
C. as far as
D. as soon as
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We teachers do not consider it wise to ___ our students with all sorts of exams, tests and quizzes.
A. load
B. annoy
C. sample
D. explore
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He makes his students ___ knowledge through various kinds of interesting activities.
A. study
B. learn
C. achieve
D. acquire
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For years, scientists have debated the ___ dangers of building another nuclear plant after the terrible accident.
A. available
B. potential
C. fascinating
D. genuine
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It was a worthwhile attempt ___ it failed to achieve its purpose that we had hoped for.
A. in the end
B. now that
C. all at once
D. even though
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Travel in space can be very exciting; ___, it can also be boring and lonely at times.
A. so
B. however
C. thus
D. therefore
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Politicians should not ___ in business affairs that might affect their political judgment.
A. engage
B. embrace
C. depart
D. treasure
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I wish to ___ a master’s degree in electric engineering after I graduate from college.
A. pledge
B. explore
C. pursue
D. approach
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There is no greater importance ___ cultivating independence in children.
A. in
B. than
C. of
D. with
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He has made it very clear ___ we should observe the new rules.
A. what
B. which
C. those
D. that
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It was when I read his letter ___ I realized he had given me huge help.
A. that
B. then
C. before
D. after
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Don’t worry too much, Jane. Your son ___ home already. Let’s go back and check it out.
A. returned
B. will return
C. has returned
D. may have returned
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I believe friendship is an essential element of making a healthy, ___ life.
A. flexible
B. rewarding
C. wealthy
D. inquisitive
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___ they have written about the behaviors of animals is hardly anything new.
A. That
B. This
C. What
D. Which
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No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
A. enormous
B. stimulating
C. unique
D. overwhelming
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Mothers tend to be too ___ toward their children. They should let them see more of the worl D.
A. hopeful
B. protective
C. modest
D. encouraging
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The investigation ___ evidence of a large-scale illegal trade in wild birds.
A. uncovered
B. outweighed
C. overwhelmed
D. evolved
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Poor Laura! I feel so sorry for her. When she fell, she hurt her arm and, ___, broke her glasses.
A. in advance
B. in addition
C. over time
D. on the other hand
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Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
A. genuine
B. available
C. effective
D. favorite
【单选题】
It will be worth the efforts even if you fail; the rewards you ___ will be great.
A. reap
B. boast
C. assure
D. cultivate
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He suggested transporting the supplies by air. But it is absolutely ___, for it will cost too much.
A. unusual
B. uncertain
C. impractical
D. impressive
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The newspaper didn’t mention the ___ of the damage caused by the fire.
A. range
B. level
C. extent
D. quantity
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Do you ___ her novels as serious literature or as mere entertainment?
A. classify
B. notify
C. simplify
D. justify
【单选题】
He doesn’t ___ of buying a house this year because the bank has refused to lend him any money.
A. afford
B. make the most
C. run out
D. stand a chance
【单选题】
If you don’t ___ cooking today, we can go out to eat at the new restaurant.
A. would like
B. go on with
C. feel like
D. figure out、
【单选题】
Bullying (恃强欺弱) can ___ a climate of fear and anxiety in school, and prevent students from focusing on their schoolwork.
A. keep back
B. give rise to
C. feel like
D. make use of
【单选题】
Science can now ___ many things which were thought to be mysterious by ancient people.
A. care for
B. lay out
C. account for
D. set up
【单选题】
The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
B. set off
C. set out
D. set down
【单选题】
When he was a small kid, he ___ from his peers because he could read fast and remember whatever he rea D.
A. showed off
B. worked out
C. stood out
D. straightened up
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The fall in the number of deaths from heart disease is generally ___ improvements in diet.
A. put up with
B. attributed to
C. added to
D. replaced with
【单选题】
We can be partners for now, but ultimately you have to ___ to develop a new software for our project.
A. keep up
B. fire off
C. make sense
D. take the lead
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Emotional Intelligence (情商) could be of practical use in many ___ such as how companies decide which job applicant to hire, how parents should raise their children, how schools should teach the students, and so on.
A. aspects
B. disciplines
C. structures
D. opportunities
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The teacher should praise students for their correct answers and also suggest ___ possibilities.
A. unlimited
B. unique
C. alternative
D. essential
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In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
B. interact
C. interpret
D. interview
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Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
A. lets
B. makes
C. enables
D. provides
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Our hope for an enjoyable dinner was instantly ___ when the waiter dropped a salad plate on my hea D.
A. spoiled
B. restricted
C. exploded
D. vanished
【单选题】
___ the world has ever seen has occurred in the information and communications technologies.
A. Great a change
B. The great change
C. A greatest change
D. The greatest change
