热门试题:
[单项选择]船舶交流发电柴油机的稳定调速率δ2应（）
A. 不大于5%
B. 不小于5%
C. 不大于10%
D. 不小于10%
[填空题]Scientists have developed a new cancer drug. So far, they have tested it only on (36) animals. The drug is designed to (37) and kill cancer cells but not healthy cells.
First, the drug enters the cancer and destroys the supply of blood. Then it releases (38) to destroy the cancer cells.
Researchers at the Massachusetts Institute of Technology in Cambridge carried out the study. The (39) appeared in Nature (40) . A school news release called the drug an "anti-cancer smart bomb."
Ram Sasisekharan is a professor at M.I.T. He says his team had to (41) three problems. They had to find a way to destroy the blood vessels, then to (42) the growth of new ones. But they also needed the blood vessels to supply chemicals to destroy the cancer.
So, the researchers designed a two-part "nanocell". The cell is (43) in nanometers, or one thousand millionth of a meter. (44) .
The scientist
[单项选择]两步滴定法测定阿司匹林片剂的依据是
A. 所含羧基的酸性
B. 剩余滴定法
C. 其酯水解定量消耗碱液
D. 酸水解定量消耗酸液
E. 利用水解产物的酸碱性
[单项选择]In a typical audiolingual lesson the procedures are followed in the order of （）
A. imitation, recognition and repetition, pattern drills and follow-up activities
B. recognition, imitation and pattern drills, repetition and follow-up activities
C. imitation, recognition, pattern drills and repetition, and follow-up activities
D. recognition, imitation and repetition, pattern drills and follow-up activities
[单选题]车站对粮食、食品、饲料 等货物应( )，不得与水泥、化肥等易于污染的货物混用一个货位。
A.固定专用货位
B.安排可放货位
C.指定高处货位
D.指定临时货位
[单选题]扑救地下车库火灾时,由外部进入内部进攻,一般选择从( )出入通道向内部进攻。(易)
A.上风
B.下风
C.中部
D.距火源最近
[多项选择]
某公司2014年发生的关于信用卡业务，具体如下：
（1）1月1日，该公司向银行交存了备用金，申领了信用卡。
（2）由于信用卡用处不大，公司拟将信用卡注销。
要求：根据上述资料，回答下列问题。
下列情形中，可以办理信用卡销户的有（）。
A. 公司信用卡挂失满45天后，要求注销该丢失的信用卡
B. 公司要求销户，且已交回信用卡30天
C. 公司信用卡账户两年未发生交易
D. 公司信用卡账户一年未发生交易
[多选题]若配电站户外高压设备大部分停电，只有个别地点保留有带电设备而其他设备无触及带电导体的可能时，（）。
A.可以在带电设备四周装设全封闭围栏
B.围栏上悬挂适当数量的“止步，高压危险！”标示牌
C.标示牌应朝向围栏外面
D.标示牌应朝向围栏里面
E.略
F.略
[多选题]综合训练计划包括( )。(易)
A.年度训练计划
B.季度(阶段)或月训练计划
C.周训练计划
D.专项训练计划
[多选题]下列项目中,属于原始凭证填制要求的有( )。
A.记录真实
B.内容完整
C.书写清楚
D.填制及时
[单选题] (单选题)在Windows中， 扩展名为 exe 的文件属于（ ）。
A. 隐藏文本文件
B. 程序文件
C. 可执行文件
D. 其他文件
[单选题]建设工程最终结清的工作事项和时间节点包括：①提交最终结清申请单；②签发最终结清支付证书；③签发缺陷责任期终止证书；④最终结清付款；⑤缺陷责任期终止。按时间先后顺序排列正确的是（ ）。
A.⑤③①②④
B.①②④⑤③
C.③①②④⑤
D.①③②⑤④
[单选题]通信设备受电端子处48V直流电源电压波动范围( )。
A.40-57
B.43.2-56.4
C.48-54
D.46-55
[多选题]三相异步电机的调速方法有( )。
A. 改变绕组电阻
B. 改变电源频率
C.改变极对数
D. 改变电磁转矩
E. 在转子中串入电阻改变转差率
[单选题]广告施工高处作业项目开工前()。
A.要有针对性地对全体员工进行安全教育
B.要有针对性地对多数员工进行安全教育
C.工期紧可以先不教育
[单项选择]"雪人征"是哪种疾病的特征性征象（）
A. 左室双出口
B. 假性动脉干
C. 下腔静脉异常回流
D. 完全型肺静脉异位引流
E. 右肺静脉异常引流入肝静脉、门静脉或下腔静脉
[单项选择]工作接地线应全部列入（），工作负责人应确认所有工作接地线均已挂设完成方可宣布开工。
A. 工作票
B. 操作票
C. 工作任务单
D. 现场交底记录
[多选题]凡穿越( )而进入控制室、电缆夹层、控制柜及仪表盘、保护盘等处的电缆孔、洞、竖井和进入油区的电缆入口处必须用防火堵料严密封堵。
A.墙壁
B.楼板
C.电缆沟道
D.高压设备区
[单选题]取样管应至少每周冲洗一次。（ ）[1.0分]
A. 正确
B. 错误
[单选题]以下关于犯人运输的规定，描述正确的是（ ）
A.机上承运某省级干部时可以运输
B.运输犯人的全航程，需一名以上押送人员
C.为避免影响同机旅客，在整个飞行过程中应戴手铐，并做适当伪装
D.犯人运输不必事先提出申请
[单项选择]在计算过梁上的荷载时，若梁板下砖墙高hw＜ln(ln为过梁的净跨)，则( )。
A. 可按梁、板传来的荷载采用
B. 可按梁、板传来荷载的80%采用
C. 可按梁、板传来荷载的50%采用
D. 不考虑梁板荷载
[单选题]东部某市是我国获得文明城市称号且犯罪率较低的城市之一，该市某村为了提高村民的道德素养，建有一条“爱心互助街”，使其成为交换和传递爱心的街区。关于对法治和德治相结合的原则的理解，下列哪一选项是错误的。\（ ）
A.道德可以滋养法治精神和支撑法治文化
B.通过公民道德建设提高社会文明程度，能为法治实施创造良好的人文环境
C.坚持依法治国和以德治国相结合，要把道德教化放在更优先的位置
D.道德教化可以劝人向善，也可以弘扬公序良俗，培养人们的规则意识
[单选题]It's no secret that most of us don't get enough sleep and suffer for it.If you're between the ages of 16 and 64,1 don't get seven to nine hours ofsleep per night,your logical 2,executive function,attention,and mood can be impaired.3,severe sleep deprivation can lead to depression,anxiety,and 4 ofparanoia（妄想症）.In the long run,sleep deprivation is a main 5 to the nsk ofdementia and Alzheimer's disease.6,one group that doesn't need to heed these warnings i.s executives.In our 7 of 35,000 leaders and interviews with 250 more,we found that the more seruor a person's 8 is,the more sleep they get.There are tw0 9 explanations for this.Either senior executives,with the help of_10 and hard-working middle managers,do less and take more time for sleep.Or senior executives have had the 11 and discipline throughout their career to get enough sleep and 12 maintain a high performance level without 13.Our conclusion is that the latter is the 14."Sleep has always been foundational for my performance,"Cees't Hart,president and CEO of Carlsberg Group,shared with us."And 15 to perform in a way that is required by my current job,I need seven hours of sleep,every night.Of course,with 16 travel and work commitments,sometimes this is 17,and when that happens,it comes with a cost.When I sleep less,I perform less."18,our data found that 68%ofnon-executive leaders get five to seven hours of sleep per night.When there are not enough hours in the day,they 19 some from the night.Many leaders stay up late to catch up on email or other tasks.According to our research,this tendency is widespread,20 gender.6选？
A.Obviously
B.Surprisingly
C.Accordingly
D.Ironically
[单项选择]男，36岁，平常体健，淋雨后发热，咳嗽2天，右上腹痛伴气急、恶心1天。首选的治疗药物是（）
A. 解热镇痛药
B. 庆大霉素
C. 青霉素
D. 头孢他啶
E. 胃肠道解痉剂
[判断题]叉车不得快速起动、急转弯或突然制动；在转弯、拐角、斜坡及弯曲道路上应低速行驶；倒车时，可以使用紧急制动。（ ）
A.正确
B.错误
[多选题]受控发放的表格应包括哪些？请举例
A.批生产记录
B.批检验记录
C.偏差处理单
D.员工辞职清算单
[单选题]铁总运电〔2015〕108号《中国铁路总公司关于实行“变更到站”服务有关事项的通知》规定，办理车票“变更到站”只办理()。
A.两次
B.一次
C.三次
D.四次
[单项选择] Advice given by human resources officers in large foreign companies can help you find a satisfying job. Here are more useful suggestions.
1. Don’’t start writing your resume before your graduation. From the first day you enter the university, you have begun writing it. Plan to put your four years to full use so that at graduation your resume will be full of valuable experiences and remarkable academic (学术) results.
2. Never apply to a company or for a job blindly. Find out where your interests lie and what your advantages are. Decide first what road you want to take for the rest of your life. Choose a company and a job that fits you well.
3. Don’’t feel inferior(低下的) to boys if you are a girl job-hunter. Except for some physical work, girls are as capable as boys. Girls even have lots of advantages over boys. For Example, girls are stronger in social communication. They are innately (天生地) skilled to express themselves effectively and to show understanding to others.
A. your interests and strong points
B. your life experiences and skills
C. the job or jobs that are easier for you to find
D. the company that can offer you a good job
[判断题]开门七件事的三检是检查心态，检查流程和检查仪容。
[单项选择]患儿，男，5岁。上颌前牙冷热痛一周，无自发痛及夜间痛史。检查见：左上中切牙近中颈部龋，探敏感，叩痛（-），无穿髓点。最佳的充填材料可选用（）
A. 银汞合金
B. 玻璃离子水门汀
C. 复合树脂
D. 磷酸锌水门汀
E. 氧化锌丁香油
[多选题]面向未来5G主要技术场景,( )移动互联网和物联网业务将成为移动通信发展的主要驱动力。
A.互联网
B.物联网
C.移动互联网
D.移动物联网
[单选题]凿子被锤击部分（ ）等，不准使用。
A.有伤痕不平整、沾有油污
B.有伤痕不平整
C.有锈蚀
D.沾有油污
[单项选择]对《聊斋志异》提出“一书而兼二体”批评的是（）。
A. 戴震
B. 陈寅恪
C. 纪晓岚
D. 鲁迅
[判断题]在封隔器堵水施工中，封中间采两头的管柱结构为：管鞋+油管+Y341封隔器+油管+Y441
封隔器+丢手接头+单流开关+油管。
A.正确
B.错误
[单选题]试验列车自动制动机的手信号,制动显示方式；昼间——用( )。
A.拢起的信号旗高举头上，左右摇动
B.拢起的信号旗高举头上
C.拢起的信号旗在下部左右摇动
D.拢起的信号旗上下摇动
