热门试题:
[判断题]3号线自动检票机扇门上下限位开关安装位置,不影响扇门开关动作。( )
A.正确
B.错误
[不定项选择题]共用题干
Can Loud Music Cause Hearing Impairment(损伤)?
Have you ever gone to a concert and realized that your seats were right next to the
booming speakers?Are you guilty_________(1)turning up the volume on your portable
cassette or CD player to drown out the whining(哭哭啼啼)of your little brother?
Sometimes it's difficult to avoid loud music or noises,but they can be bad news because
loud noises can_________(2)temporary or permanent hearing loss.
Extremely loud music and noises that go on for long periods of_______(3)are
common causes of deafness.If a noise is so loud that you have to shout to make yourself
_______(4),there is a______(5)that the mechanism inside your ear can be
injured.
Temporary hearing loss can happen after you've been_______(6)to loud noise
for only 15 minutes.If you have temporary hearing loss,you won't be able to hear as
________ (7) as you normally can, and you may have tinnitus(耳鸣),which is a
fancy word for ringing in the ears. Your ears can feel"full",too._________(8),
these things usually go away and your hearing soon returns to normal.
Permanent hearing loss can happen when someone is exposed to loud noise
________(9)and over. Construction workers and people who work in factories must
________(10)ear protectors because the equipment they use can be extremely loud.
But even some lawn mowers(割草机)and power tools can permanently__________
(11)a person's ability to hear high-pitched noises and can also give him permanent tinnitus.
Listening to extremely loud music over and over can also have the same effect on a person's
______(12).And using headphones on a portable cassette or CD player can be
dangerous________(13)if the volume is too high and the headphones are used a lot,
the noise can damage the ears.
The best way to avoid hearing loss is to wear ear protectors when working with
machinery and earplugs when going to a_________(14).Headphones are OK to wear
when you're listening to music;just be sure the volume isn't too high,and give them a rest
________(15)once in a while.
_________(3)
A.course
B.length
C.state
D.time
[多选题]工作票由()填写。
A.工作票签发人
B.工作人员(负责人)
C.工作许可人
D.专责监护人
[多选题]气体灭火系统防护区的设置要求有().
A.防护区宜以单个封闭空间划分
B.防护区应有保证人员在30s内疏散有通道
C.防护区围护结构及门窗的耐火极限均不宜低于0.5h
D.防护区的围护构件上应设置敞开孔洞
E.防护区的最低环境温度不应低于10℃
[单选题]在某县人民法院审理某甲抢劫案时,甲的辩护律师认为,侦查机关在侦查过程中收集的证明被告人罪轻的证据材料,检察院未提交给法庭出示。在此情况下,律师可以进行什么诉讼活动?( )
A.申请人民法院向人民检察院调取该证据材料,并可以到人民法院查阅、摘抄、复制该证据材料
B.申请人民法院向人民检察院调取该证据材料,但不得到人民法院查阅、摘抄、复制该证据材料
C.申请人民检察院调取该证据材料
D.申请公安机关提供该证据材料
[判断题]铺设非标准长度的钢轨或再用轨,无厂制缩短轨时,钢轨接头可采用相错式,其相错量不得小于3m。
A.正确
B.错误
[单选题]如果气体处理量较大,可以采取两个以上尺寸较小的旋风分离器使用()
A.串联
B.并联
C.先串联后并联
D.先并联后串联
[判断题]搬运人员严禁带火柴、打火机等引火物品。( )
A.正确
B.错误
[多选题]造成泡沫槽满溢的原因有哪些
A.风压突然升高
B.加药时未减风
C.泡沫槽液位未及时调整
D.蒸汽量 突然升高
[单选题]行车工作必须坚持集中领导、统一指挥、()的原则
A.集中管理
B.统一领导
C.逐级负责
D.逐级管理
[单项选择]某储存汽油、轻石脑油的储罐区,采用内浮顶罐,储罐上所设置的固定式泡沫灭火系统的泡沫混合液供给强度为12.5L/(min·m2),连续供给时间不应小于()min。
A. 25
B. 30
C. 40
D. 45
[判断题]作业人员应在接地线的保护范围内作业。禁止在无接地线或接地线装设不齐全的情况下进行高压检修作业。
A.正确
B.错误
[单选题]黑睛由何脏之精气上注濡养
A.心
B.肝
C.脾
D.肺
[多选题]加油站罩棚檐口选用的标准高度为 ( )。 ( )
A.1.05m
B.1.15m
C.1.2m
D.1.35m
[单选题]老旧小区、小街小巷和农村等区域,台区低压线路采用单相供电方式的,如无法满足负荷要求, 应进行( )改造。
A.三相四线制
B.增大线径
C.新建线路
D.新增配变布点
[单选题]1.108依据《机动车查验工作规程》GA801-2019规定,对冷藏车应查验在外部两侧易见部位上喷涂或粘贴明显的 字样。
A.冷藏车F类
B.冷藏
C.冷藏车
D.冷藏F类
[判断题]《铁路旅客运输规程》(铁运[1997]101号)规定,由于不可抗力等非承运人责任发生的停留时间加算在运到期限内。
A.正确
B.错误
[单项选择]Most children with healthy appetites are ready to eat almost anything that is offered them and a child rarely dislikes food (67) it is badly cooked.
The (68) a meal is cooked and served is most important and an (69) served meal will often improve a child’s appetite. Never ask a child (70) he likes or dislikes a food and never (71) likes and dislikes in front of him or allow (72) else to do so. If the father says he hates fat meat or the mother (73) vegetables in the child’s hearing he is (74) to copy this procedure. Take it (75) granted that he likes everything and he probably (76) . Nothing healthful should be omitted from the meal because of a (77) dislike. At meal times it is a good (78) to give a child a small portion and let him (79) back for a second helping rather than give him as (80) as he is likely to eat all at once. Do not talk too much to the child (81) meal times,
[填空题]当三相异步电动机负载减少时其功率因数将 ()。
[单项选择]温病苔薄黄不燥为:().
A. 卫分证未罢,气分证已见
B. 气分热盛
C. 邪初入气分津液未伤
D. 湿遏热伏
[判断题]无瓦斯涌出的架线电机车巷道中的最低风速不得低于0.50m/s。
[单项选择]设备维护保养制度中“四懂”是指()。
A. 懂使用、懂保养、懂原理、懂结构
B. 懂性能、懂维护、懂原理、懂结构
C. 懂性能、懂维护、懂原理、懂用途
D. 懂结构、懂原理、懂性能、懂用途
[多选题]烧伤的急救原则是()。
A.A.清除致病原因
B.B.使创面不受污染
C.C.防止进一步损伤
D.D.大量使用抗生素
E.E.即使使用破伤风
[多项选择]肝素钠的作用机制有?()
A. 阻止血小板凝集和破坏、妨碍凝血激活酶的形成
B. 对抗凝血激活酶,妨碍凝血酶原变成凝血酶
C. 机制凝血酶从而妨碍纤维蛋白原变成纤维蛋白
D. 阻碍维生素K的利用
E. 破坏血小板和红细胞
[单选题]《铁路旅客运输服务质量规范》中规定,载客车厢通过台内端门框旁设儿童票标高线。儿童票标高线宽10毫米、长( )毫米。
A.80.0
B.100.0
C.110.0
D.120.0
[单项选择]GPS接收到几颗卫星信号后可进入导航模式:().
A. 2
B. 3
C. 4
D. 5
[单项选择]巷道实现光爆时,主要是控制()的位置和装药量,并使其做到同时起爆。
A. 掏槽眼
B. 辅助眼
C. 周边眼
[填空题]构成课的基本组成部分主要有:()、检查复习、讲授新教材、巩固新教材和布置课外作业。
[多项选择]开展培训质量管理工作的基本原则有()
A. 有效性原则
B. 协作性原则
C. 可操作性原则
D. 预防性原则
E. 全程控制、全员参与原则
[单项选择]下列关于EJB的说法错误的是()
A. EJB是用于开发和部署多层结构的、分布式的、面向对象的Java应用系统的平台的构件体系结构
B. EJB体现了Java的“Writeonce,runanywhere”的原则,一旦一个EJB开发完成之后,那么就可以部署在任何支持EJB的平台上,而不需要重新编译或对源代码进行修改
C. EJB目前不支持和其它的非Java应用系统的互操作性
D. EJB没有用户界面,且完全位于服务器端而一个标准的JavaBean是一个客户端构件
[判断题]车票票面必须标明车票主要的使用规则
A.正确
B.错误
[单选题]患者,女性,47岁,餐后上腹痛伴恶心、呕吐2小时入院。查体:T 38℃,R 23次/分,P 98次/分,右上腹墨菲氏征阳性,B超提示胆囊腔内见2.3cm强回声光团,体位改变移动,胆总管直径1.2cm,余未见明显异常。
术中剥离胆囊,发现胆囊壁增厚与周围组织粘连时
A.无菌盐水浸泡冲洗
B.浆膜下注射0.25%普鲁卡因
C.胆囊壁注射去甲肾上腺素
D.生理盐水稀释肝素冲洗
E.血管钳钝性分离
[单选题]企业支付的税收滞纳金应该计入( )。
A.管理费用
B.财务费用
C.营业外支出
D.其他业务成本
[判断题]乘务岗位体重超标后,公司给予三个月过渡调整期,过渡调整期满复查后仍不达标者予以停飞;停飞后按照自身条件不达标纳入个人考评绩效,自停飞之日起一年内若体重达标,可再次申请复飞。( )
A.正确
B.错误
[单选题]根据《铁路交通事故调查处理规则》,行车设备故障耽误本列客运列车1小时以上,或耽误本列货运列车( )小时以上,未构成一般C类以上事故的,为一般D类事故。
A.2
B.3
C.1
[单选题] 《安全生产法》规定,生产经营单位使用新设备时,应对从业人员进行( )的安全生产教育和培训。
A. 公司级
B. 班组级
C. 车间级
D. 专门
[单选题]加速绝缘材料老化的主要原因是使用()的过高。
A.电流
B.电压
C.功率
D.温度
[判断题]悬空寺距今已有1500多年历史。
A.正确
B.错误