热门试题:
[单项选择]Never give out identifying information such as home address, school name, or telephone number in a public message such as chat or newsgroups, and be sure you’re dealing with someone both you and your children know and trust before giving out this information via E-mail. Do not post photographs of your children in newsgroups or on web sites that are available to the public.
Never allow your child to arrange a face-to-face meeting with someone they "meet" on the Internet. If a meeting is arranged, make the first one in a public place, and be sure to accompany your child.
Remember that people online may not be who they seem. Because you can’t see or even hear the person it would be easy for someone to misrepresent him or herself. Thus someone indicating that "she" is a "12-year-old girl" could in reality be a 40-year-old man.
Remember that everything you read online may not be true. Any offer that’s "too good to be true" probably is. Be careful about any offers that involve
A. not be honest on the net
B. be careful about the online friends
C. make friends with those you trust
D. believe nobody on the net
[单项选择]Text 3
Looking to improve your language skills, but you don’t have the time to go abroad to attend school More and more universities around the world are offering opportunities for students to get degrees online (distance education) from the comfort of their own homes, and many of these colleges and universities are accredited (官方认可的), meaning that they have met certain standards of excellence.
If you decide to take language courses online(or any subject for that matter), be sure there are advantages in studying online. Its costs are usually lower, and you can study at your own pace (节奏), and you can easily get the materials 24 hours a day from almost any computer in the world. However, you won’t get the human interaction (互动) of meeting people face to face, as you would if you were attending school abroad in person.
On the other hand, the advantages of going abroad may include day-to-day chances to learn a new culture, to meet new friends with whom you can use and
A. To discuss ways of improving language skills.
B. To persuade people to go abroad to attend universities.
C. To advise readers to meet different people from abroad.
D. To introduce online programs to people unable to go abroad.
[填空题]企业组织形式就是指企业经营的()和方式。
[判断题]站用电系统重要负荷(如主变压器冷却器、低压直流系统充电机、不间断电源、消防水泵)应采用双回路供电,且接于不同的站用电母线段上,并能实现自动切换。
A.正确
B.错误
[判断题]声测法的概率法判定是用声时平均值与2倍声时标准差之差作为判定桩身有无缺陷的临界值。
[单项选择]The flower needs ______. Would you like me to do it for you
A. watering
B. to water
C. water
D. to be watering
[判断题]换热器中加折流挡板主要是增加流体的湍流程度,从而提高传热系数
A.正确
B.错误
[多选题]电焊工沟下作业时,当出现( )情况时可以拒绝作业。
A.塌方隐患或易坠落的石块隐患未清除
B.逃生梯或逃生通道等应急逃生措施未到位
C.管沟挖出的土石方堆放未达到安全距离
D.管沟深度超过规定深度时未采取放坡措施
[单项选择]一般不会出现结核菌素试验阴性的情况是
A. 结核病极严重的患者
B. 肺结核病灶已纤维钙化
C. 结核菌感染3周
D. 细咆免疫功能低下
E. 长期用肾上腺皮质激素
[简答题]信号机按用途分为色灯信号机、臂板信号机和机车信号机。
[单项选择]实施企业战略的实质是( )
A. 追求效益最大化
B. 确定企业市场策略
C. 明确企业定位
D. 追求成本最小化
[单选题]患者,男性,30岁。拟诊肛裂,查体发现肛门外"前哨痔",肛乳头肥大水肿,之前未行任何治疗。其治疗措施不包括
A.坐浴
B.扩肛
C.软化大便
D.局部理疗
E.肛裂切除术
[多选题]干式空心电抗器的安装应符合(____)要求。
A.三相垂直排列时,中间一相线圈的绕向应与上、下两相相反,各相中心线应一致
B.三相垂直排列时,三相绕向应相同
C.两相重叠一相并列时,重叠的两相绕向应相反,另一相应与上面的一相绕向相同
D.三相水平排列时,三相绕向应相同
[单选题]关于内部资金转移定价的说法不正确的是( )。
A.内部是资金中心与各业务单位发生的资金转移
B.一定规则是指根据资金的期限和利率属性确定的定价方法
C.资金中心是指实体资金交易部门
D.全额是指对每一笔提供或者占用资金的业务,在其发生的当天,根据利率及期限属性进行逐笔计价
[单选题]信e贷当天未放款自动注销,或贷款结清后( )天注销。
A.3
B.5
C.7
D.15
[判断题]4.85. 第85题
变压器的安装位置与降低线损无关。
A.正确
B.错误
[单选题]分钩、试拉、压钩等短距离( )移动可不换端,但司机必须确认两侧及后端安全方可动车。
A.3米内
B.4米内
C.5米内
D.6米内
[单选题]【单选】各单位使用职教经费时,须经单位分管领导(或委托分管职教工作领导)组织()集体讨论决定,对( )职教经费支出项目集体研究并做好会议记录。
A.培训主管部门和相关部门|本季度
B.培训主管部门|本季度
C.培训主管部门和相关部门|当月
D.经费使用部门|当月
[单项选择]关于中小学教学用房墙裙高度的设计要求,错误的是()
A. 小学普通教室不宜低于1.2m
B. 中学科学教室不宜低于1.4m
C. 中学风雨操场不应低于2.1m
D. 小学舞蹈教室不应低于1.6m
[单选题]《电网工程建设预算编制与计算规定(2018 年版)》中规定,假设某工程发生人工费 100 万元、材料费 300 万元、施工机械使用费150 万元、措施费 80 万元、企业管理费 50 万元,则该工程的直接费是( )万元。
A.680
B.630
C.600
D.530
[单项选择]The letter you write is your personal representative. It takes your place when circumstances make it impossible for you to be there in person. It goes to the hospital to cheer a sick friend. It goes to your hostess to thank her for entertaining you. It conveys your best wishes, congratulations, condolences--when you are not able to do so in person.
A friendly letter is like a visit on paper. If you "hate to write letters", it’s simply because you have not yet discovered the fun it can be to write and receive letters that are good talk on paper. Many people neglect to answer letters from relatives and friends. To a letter unanswered is like saying, "I don’t think you are worth the time and effort it takes to write a letter./
According to the passage, when you can’t come to a certain place in person, you can ______.
A. send somebody else instead
B. make a telephone call
C. send a telegraph
D. write a letter
[单项选择][听力原文] ??生活中的许多事情之所以无法成功,并不是因为你能力不强,而是因为你的愿望不切实际。我们要相信自己天生具有强大的能力,但是相信自己有能力并不是强迫自己去做一些力所不能及的事情。事实上,世间任何事情都有一个限度,超过了限度,好多事情可能都是无法实现的。 ??所以,凡事别跟自己过不去。要知道,每个人多多少少都会有缺陷,世界上没有完美的人。这么想不是为自己找借口,而是使心灵不被沉重的目标压垮。解除精神上的束缚吧,它会促使我们从容地走自己选择的路,做自己喜欢的事情,永远保持对生活的美好认识和追求。 ??我们应时常肯定自己,只要积极地朝着更高的目标迈进,尽力发展我们能够发展的东西,剩下的,就安心交给老天。假如我们失败了,就要学会对自己让步,这样心里就会少一点儿困扰与忧郁。让心中保存一份平静,这既是对自己的爱护,也是对生命的珍惜。 失败有时是因为什么?()
A. 不够努力
B. 水平太低
C. 目标太高
D. 不能坚持
[单项选择]实行设计和施工总承包需要明确几个关键问题,下列( )项不包括在内。
A. 由谁承担设计和施工总承包任务
B. 如何进行总承包的招标、投标和评标
C. 何时开始总承包以及承包的范围是什么
D. 在什么地方进行总承包的招标、投标和评标
[填空题]电空制动控制器是司机用来操纵()制动或缓解的控制装置。
[单选题]17型车钩车辆连挂后观察位于钩头下方的下锁销杆上的显示孔,当()时,表明车钩已经被锁闭。
A.显示孔不可见
B.显示孔一半可见
C.显示孔大部分可见
D.显示孔完全可见
[判断题]遇水燃烧物质着火时,通常不能用水及泡沫灭火剂扑救。
A.正确
B.错误
[多项选择]根据《评标委员会和评标方法暂行规定》的规定,下列关于投标文件初步评审的表述中,正确的是( )。
A. 评标委员会应当按照投标报价的高低对投标文件排序
B. 对不同文字文本的解释发生异议的,以中文文本为准
C. 招标文件中未对汇率标准和汇率风险作出规定的,汇率风险应由招标人承担
D. 评标委员会应当书面要求存在细微偏差的投标人在评标结束前予以补正
E. 除非招标文件另有规定,评标委员会对重大偏差应作废标处理
[单选题]职业病诊断鉴定书属于证据中的( )。
A.物证
B.勘验笔录
C.鉴定结论
D.当事人陈述
[单选题]白灯主副灯丝断丝时,信号机不能开放,复示器也不反应,兰灯主副灯丝断丝时,复示器( )。
A.兰闪
B.白闪
C.灭灯
D.不反应
[单项选择]股静脉穿刺的部位在股三角区的()。
A. 股动脉内侧0.5cm
B. 股动脉外侧0.5cm
C. 股神经内侧0.5cm
D. 股神经外侧0.5cm
E. 股动脉与股神经之间
[判断题]腰椎正位投照时,为使上下腰椎的密度均匀一致,应将X线管的阳极端对准下腰部。
A.正确
B.错误
[填空题]QC小组的两图一表是指()、()和()。
[单选题] 在制冷系统中,用于储存液体制冷剂的容器叫做( )。
A.蒸发器
B.冷凝器
C.储液器
[单项选择]当变压器容量大,电动机启动电流不超过变压器额定电流的()时,较大容量的电动机也可以直接启动
A. 。10%~20%
B. 20%~30%
C. 30%~40%
D. 40%~50%
[多项选择]炽灼残渣检查法检查混入有机药物中的杂质为()
A. 有关物质
B. 无机杂质
C. 其他甾体
D. 金属氧化物
E. 金属无机盐类
[单选题]室内消火栓的间距应由计算确定,其中高层民用建筑及其裙房内消火栓的间距各不应大于( ) m。
A.30
B.50
C.50
D.30
[填空题]一条正脊四条斜脊,四个斜坡,屋顶面有弧度。这种形式的屋顶叫做( )。