【单选题】
___0392.根据《烟花爆竹零售网点设置管理安全要求》(DB11/ 834—2011),烟花爆竹零售网点距220kV 以下、35kV 以上(含 35kV)架空输电线路的最小允许距离是( )m。
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【单选题】
___0393.根据《烟花爆竹零售网点设置管理安全要求》(DB11/ 834—2011),关于烟花爆竹零售网点下列说法错误的是( )。
A. 临建零售网点不应占用机动车道、非机动车道及盲道
B. 居民小区主要出入口附近设置的零售网点不应影响居民进出小区
C. 零售网点距10kV(含10kV)以下箱式变压器距离不应小于2m
D. 零售网点应选择在消防车辆可以顺畅到达的位置
【单选题】
___0394.根据《烟花爆竹零售网点设置管理安全要求》(DB11/ 834—2011),烟花爆竹零售点面积为10㎡≤S<20㎡时,可以存放( )箱烟花爆竹。
A. 45
B. 100
C. 200
D. 450
【单选题】
___0395.工作场所存在高毒物品目录中的确定人类致癌物质,当浓度达到其( )职业接触限值(PC-TWA或MAC)时,用人单位应为劳动者配备相应的劳动防护用品,并指导劳动者正确佩戴和使用。
A. 1/4
B. 1/3
C. 2/3
D. 1/2
【单选题】
___0396.接触噪声的劳动者,当暴露于LEX,8h≥( )dB的工作场所时,用人单位必须为劳动者配备适用的护听器,并指导劳动者正确佩戴和使用。
【单选题】
___0397.安全帽、呼吸器、绝缘手套等安全性能要求高、( )损耗的劳动防护用品,应当按照有效防护功能最( )指标和有效使用期,到期强制报废。
A. 易;高
B. 易;低
C. 不易;高
D. 不易;低
【单选题】
___0398.警示线设在生产、使用有毒物品的车间周围外缘不少于( )cm处,警示线宽度不少于( )cm。
A. 40;20
B. 40;10
C. 30;20
D. 30;10
【单选题】
___0399.生产工艺发生变更时,应在工艺变更完成后( )日内补充完善相应的公告内容与警示标识。
【单选题】
___0400.告知卡和警示标识应至少( )检查一次,发现有破损、变形、变色、图形符号脱落、亮度老化等影响使用的问题时应及时修整或更换。
A. 每月
B. 每季度
C. 每半年
D. 每年
【单选题】
___0401.高温天气是指地市级以上气象主管部门所属气象台站向公众发布的日最高气温( )℃以上的天气。
【单选题】
___0402.日最高气温达到( )℃以上,应当停止当日室外露天作业。
【单选题】
___0403.日最高气温达到37℃以上、40℃以下时,用人单位全天安排劳动者室外露天作业时间累计不得超过( )小时。
【单选题】
___0404.日最高气温达到37℃以上、40℃以下时,在气温最高时段( )小时内不得安排室外露天作业。
【单选题】
___0405.日最高气温达到( )℃以上、( )℃以下时,用人单位应当采取换班轮休等方式,缩短劳动者连续作业时间,并且不得安排室外露天作业劳动者加班。
A. 33;35
B. 35;37
C. 35;38
D. 37;40
【单选题】
___0406.高危企业新职工安全培训合格后,要在经验丰富的工人师傅带领下,实习至少( )个月后方可独立上岗。
【单选题】
___0407.包装间、分割间、产品整理间等人员较多生产场所的空调系统( )采用氨直接蒸发制冷系统。
【单选题】
___0408.有毒物质进入人体内并累积到一定量时,便会扰乱或破坏肌体的正常生理功能。引起暂时性或持久性的病理改变,甚至危及生命。这种危险特性属于( )。
A. 化学性
B. 腐蚀性
C. 毒害性
D. 放射性
【单选题】
___0409.辐射可分为电离辐射和非电离辐射。属于电离辐射的是( )。
A. 红外线
B. X射线
C. 激光
D. 紫外线
【单选题】
___0410.可以造成法定职业性肿瘤的职业性致癌物质是( )。
【单选题】
___0411.影响噪声对机体作用的关键因素是( )。
A. 频谱特征
B. 声压级大小
C. 接触时间
D. 接触方式
【单选题】
___0412.家具厂生产过程产生的粉尘属于( )。
A. 无机性粉尘
B. 有机性粉尘
C. 混合性粉尘
D. 二次扬尘
【单选题】
___0413.生产性粉尘对人体有多方面的不良影响,尤其是含有( )的粉尘,能引起严重的职业病——矽肺。
A. 有毒物质
B. 放射性物质
C. 铅
D. 游离二氧化硅
【单选题】
___0414.根据毒害作用机理不同,职业性有害气体可分为窒息性气体和刺激性气体。下列气体中,属于刺激性气体的是( )。
A. 一氧化碳
B. 二氧化碳
C. 硫化氢
D. 氮氧化物
【单选题】
___0415.( )是人体摄入生产性毒物的最主要、最危险的途径。
A. 呼吸道
B. 消化道
C. 皮肤
D. 眼睛
【单选题】
___0416.引起电光性眼炎的常见因素是( )。
A. 电磁波
B. 微波
C. 红外线
D. 紫外线
【单选题】
___0417.炼钢厂的弃渣场,应位于居住区和水源地安全健康防护距离以外的( ),并应考虑爆炸、扬尘、有害元素扩散的安全距离。
A. 较为平整的地带
B. 较高地带
C. 荒地
D. 低洼地带
【单选题】
___0418.根据生产性粉尘的( ),可将其分为无机性粉尘、有机性粉尘和混合性粉尘三类。
【单选题】
___0419.无机性粉尘可分为矿物性粉尘、金属性粉尘、人工无机性粉尘。下列粉尘,属于人工无机性粉尘的是( )。
A. 铁及化合物
B. 石棉
C. 煤尘
D. 水泥
【单选题】
___0420.( )防尘的特点是防尘效果可靠,易于管理,投资较低。
A. 湿式作业
B. 干式作业
C. 封闭式作业
D. 隔离式作业
【单选题】
___0421.喷漆过程中常使用甲苯作溶剂,生产环境中产生的生产性毒物甲苯在空气中存在的形态是( ),适合用洗涤法进行净化。
【单选题】
___0422.局部排气罩是通风防毒的一种重要技术措施,按其构造划分的3种类型是( )。
A. 密闭罩、开口罩和净化器
B. 上吸罩、侧吸罩和下吸罩
C. 密闭罩、开口罩和通风橱
D. 密闭罩、开口罩和混合罩
【单选题】
___0423.喷漆车间欲处理其作业场所中散发的苯蒸气,宜采取( )回收净化方法。
A. 热力燃烧
B. 催化燃烧
C. 冷凝
D. 活性炭吸附
【单选题】
___0424.在水泥行业中,回收生产性粉尘,通常使用的方法是( )。
A. 燃烧法
B. 吸附法
C. 洗涤法
D. 袋虑法
【单选题】
___0425.解决生产性毒物危害的最有效途径是( )。
A. 加强通风措施
B. 生产过程的密闭化、自动化
C. 作业人员佩戴防毒面具
D. 加强健康监护
【单选题】
___0426.在轻工行业中,净化醇类生产性毒物有机废气,通常使用的方法是( )。
A. 燃烧法
B. 洗涤法
C. 静电法
D. 袋虑法
【单选题】
___0427.工业的无害化排放,是通风防毒工程必须遵守的重要准则。可采用不同的有害气体净化方法。下列排出气体的净化方法中,利用化学反应,达到无害物排放的方法是( )。
A. 燃烧法
B. 多孔性固体吸附法
C. 静电法
D. 袋虑法
【单选题】
___0428.工业噪声是生产中由于机器转动、气体排放、工件撞击与摩擦所产生的噪声。大型电动机、发电机和变压器所产生的噪声属于( )噪声。
A. 空气动力
B. 机械性
C. 电磁型
D. 脉冲性
【单选题】
___0429.按照生产性噪声种类,风机发出的噪声属于( )。
A. 空气动力噪声
B. 机械性噪声
C. 电磁性噪声
D. 旋转噪声
【单选题】
___0430.不属于控制生产性噪声措施的是( )。
【单选题】
___0431.预防控制危险化学品中毒、污染事故的主要措施有替代、隔离、通风、个体防护等。下列做法中,属于替代措施的是( )。
A. 用甲苯代替喷漆和涂料中用的苯
B. 用乙烯氧化制乙醛工艺代替乙炔制乙醛工艺
C. 用催化裂化技术代替热裂化技术
D. 用全面通风代替局部通风
【单选题】
___0432.( )是控制作业场所中有害气体、蒸气或粉尘最有效的措施之一。
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A. what an excited news B. how excited the news is
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19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years.
A. hardly; alone B. hard; alone
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20.—I’m going back to see my grandparents this weekend.
—________.
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22. —Do you know the boy________ is sitting next to Peter?
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25. _______ are you going to the School Uniform Exhibition, Amy ?
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( ) 26. Where does the writer of "The little Prince" come from?
A.England. B.France. C.America. D.China.
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A.He cares more about a flower and a sheep.
B.He meets many more strange adults on other planets.
C.He realizes his love for the rose and he goes back to his planet.
D.He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________.
A.the adult world B.the planet B -612
C.a rose and a fox D.the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose(目的)in writing this passage?
A.To tell the readers his life story.
B.To tell people what kind of person his father was.
C.To tell the readers what present he got from his father.
D. To let people know how poor he was.
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that?
A.Because he felt quite confident of his son.
B.Because he was born from a poor family.
C.Because he was a man of few words.
D.Because he didn't want to be much too strict with his son.
【单选题】
( ) 31. What would someone learn from this passage?
A.How to live by oneself. B.How to stand on one's own feet.
C.What a good father should do. D.What the self-important is like.
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage?
A.闲暇时光 B.学费 C.精神空虚 D.经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
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( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources