【判断题】
沟（槽）开挖时，在堆置物堆起的斜坡上可以放置工具材料等器物
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相关试题
【判断题】
电力电缆作业，开断电缆时，扶绝缘柄的人应戴手套，并采取防灼伤措施（如防护面具等）
【判断题】
开启电缆井井盖、电缆沟盖板及电缆隧道人孔盖时应使用专用工具，同时注意所立位置
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作业人员撤离电缆井或隧道后，应在所有工作结束后将井盖盖好
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在电缆隧（沟）道内巡视时，工作人员应携带便携式气体测试仪，通风不良时还应携带正压式空气呼吸器
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电缆沟的盖板开启后，应自然通风一段时间，方可下井工作
【判断题】
充油电缆施工应做好电缆油的收集工作，对散落在地面上的电缆油要立即覆上泥土，及时清除
【判断题】
制作环氧树脂电缆头和调配环氧树脂工作过程中，应采取有效的防毒和防火措施
【判断题】
电缆施工完成后应将穿越过的孔洞进行封堵
【判断题】
电缆耐压试验前，加压端应做好安全措施，防止人员误入试验场所。另一端应设置围栏并挂上警告标示牌。如另一端是上杆的或是锯断电缆处，应派人看守
【判断题】
电缆故障声测定点时，应直接用手触摸电缆外皮或冒烟小洞
【判断题】
机器的转动部分应装有防护罩或其他防护设备，露出的轴端应设有护盖，以防绞卷衣服
【判断题】
禁止在机器转动时，从联轴器（靠背轮）和齿轮上取下防护罩或其他防护设备
【判断题】
上爬梯应逐档检查爬梯是否牢固，上下爬梯应抓牢，应两手同时抓一个梯阶
【判断题】
所有电气设备的金属外壳均应有良好的接地装置。使用中应将接地装置拆除
【判断题】
锉刀、手锯、木钻、螺丝刀等的手柄应安装牢固，没有手柄的应小心使用
【判断题】
禁止使用没有防护罩的砂轮（特殊工作需要的手提式小型砂轮除外）。砂轮机的安全罩应完整
【判断题】
携带式行灯变压器的高压侧，应带插头，低压侧带插座，并采用两种可以互相插入的插头
【判断题】
在使用电气工具工作中，因故离开工作场所或暂时停止工作以及遇到临时停电时，应使电源状态保持不变
【判断题】
行灯变压器的外壳应有良好的接地线，高压侧不宜使用单相两极带接地插头
【判断题】
空气压缩机的空气滤清器以及其他空气通路的零件应用汽油或煤油洗刷
【判断题】
空气压缩机处不得有人工作，储气罐放置地点应通风，且禁止日光曝晒或高温烘烤
【判断题】
不熟悉风动工具使用方法和修理方法的工作人员，不准擅自使用或修理风动工具
【判断题】
经单位批准，可在带有压力（液体压力或气体压力）的设备上或带电的设备上进行焊接
【判断题】
经单位批准，可在油漆未干的结构或其他物体上进行焊接
【判断题】
在风力超过5级及下雨雪时，不可进行焊接或切割工作
【判断题】
禁止把氧气瓶及乙炔瓶放在一起运送，也不准与易燃物品或装有可燃气体的容器一起运送
【判断题】
使用中的氧气瓶和乙炔气瓶应水平固定放置
【判断题】
动火工作票的审批人、消防监护人可以签发动火工作票
【判断题】
动火单位到生产区域内动火时，动火工作票由调控中心签发和审批，也可由动火单位和设备运维管理单位（或工区）实行“双签发”
【判断题】
变电站一、二级动火工作票签发人应是经本单位（动火单位或设备运维管理单位）批准且公布的有关部门负责人、技术负责人或经本单位批准的其他人员
【判断题】
动火工作负责人应是具备检修工作负责人资格的人员
【判断题】
动火作业中，有条件拆下的构件，如油管、阀门等应拆下移至安全场所
【判断题】
对于动火作业，可以采用不动火的方法代替而同样能够达到效果时，尽量采用替代的方法处理
【判断题】
动火作业，尽可能地把动火时间和范围扩展到最高限度
【判断题】
凡盛有或盛过易燃易爆等化学危险物品的容器、设备、管道等生产、储存装置，在动火作业前应将其与生产系统彻底隔离，并进行清洗置换，检测可燃气体、易燃液体的可燃蒸汽含量合格后，方可动火作业
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【单选题】
For years, scientists have debated the ___ dangers of building another nuclear plant after the terrible accident.
A. available
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It was a worthwhile attempt ___ it failed to achieve its purpose that we had hoped for.
A. in the end
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A. so
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He has made it very clear ___ we should observe the new rules.
A. what
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It was when I read his letter ___ I realized he had given me huge help.
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Don’t worry too much, Jane. Your son ___ home already. Let’s go back and check it out.
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I believe friendship is an essential element of making a healthy, ___ life.
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___ they have written about the behaviors of animals is hardly anything new.
A. That
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No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
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Mothers tend to be too ___ toward their children. They should let them see more of the worl D.
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The investigation ___ evidence of a large-scale illegal trade in wild birds.
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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
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Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
A. genuine
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It will be worth the efforts even if you fail; the rewards you ___ will be great.
A. reap
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He suggested transporting the supplies by air. But it is absolutely ___, for it will cost too much.
A. unusual
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The newspaper didn’t mention the ___ of the damage caused by the fire.
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Do you ___ her novels as serious literature or as mere entertainment?
A. classify
B. notify
C. simplify
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【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
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If you don’t ___ cooking today, we can go out to eat at the new restaurant.
A. would like
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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
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Science can now ___ many things which were thought to be mysterious by ancient people.
A. care for
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The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
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When he was a small kid, he ___ from his peers because he could read fast and remember whatever he rea D.
A. showed off
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The fall in the number of deaths from heart disease is generally ___ improvements in diet.
A. put up with
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C. added to
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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
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【单选题】
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
【单选题】
The teacher should praise students for their correct answers and also suggest ___ possibilities.
A. unlimited
B. unique
C. alternative
D. essential
【单选题】
In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
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C. interpret
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Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
A. lets
B. makes
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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
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___ 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
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___ so many people around, it wasn’t convenient to have a long talk with him.
A. As
B. When
C. With
D. Since
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Alice used to be terribly shy, but working abroad for a year has completely ___ her.
A. solved
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Chinese Mandarin (普通话) is ___ for foreigners to learn because the changes in the tone will totally change the meaning of words.
A. difficult
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Take action on those things that will have the biggest ___ impact on your life with the least amount of effort.
A. portable
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The adoption of this measure will greatly reduce the ___ of greenhouse gas emissions (排放物), which may help slow global warming.
A. loan
B. decline
C. release
D. response
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I think I have a healthy lifestyle. I eat a lot of fruit and vegetables, and I’m a ___ drinker.
A. moderate
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