热门试题:
[单选题]任何运行中星形接线设备的中性点,应视为( )设备。
A.大电流接地
B.不带电
C.带电
D.停电
[多选题]当增大变压器负载时其( )。
A.一次电流变大
B.铜耗增大
C.铁耗不变
D.二次电流变大
[单项选择]下列药物中目前已被淘汰的是
A. 长效磺胺
B. 雷尼替丁
C. 普萘洛尔
D. 环丙沙星
E. 西咪替丁
[多选题]遇有六级以上强风.浓雾等恶劣气候,不得进行何种作业?( )
A.悬空高处作业
B.高处作业
C.露天作业
D.露天攀登
E.电工作业
[多选题]超声波探头按波形分为( )。
A.纵波探头
B.横波探头
C.表面波探头
D.板波探头
E.可变角探头
[多项选择]子宫破裂的描述正确的是()
A. 既可以出现子宫体部破裂又可以出现子宫下段破裂
B. 完全破裂的一瞬间,产妇感下腹绞痛
C. 子宫完全破裂后先露回缩
D. 不完全破裂常出现阔韧带血肿
E. 不完全破裂诊断较困难
[多选题]合同义务转让的必备条件有( )。
A.须有有效债务的存在
B.须所移转的债务具有可移转性
C.须有以合同义务的转让为内容的有效合同
D.债务承担须经原债务人同意
E.债务承担不须经原债务人同意
[判断题]操作系统用来直接控制和管理微机系统硬件资源和软件资源,使用户充分而有效地利用这些资源管理程序的集合。( )
A.正确
B.错误
[填空题]军用列车中车辆的编组隔离,按( )有关规定办理。
[判断题]中队站的基本队形,分为横队、纵队、并列纵队
A.正确
B.错误
[多选题]下列说法正确的有( )。
A.车辆掉头或倒车,若无人指挥,应看清后面情况在确保安全的前提下倒车,必要时下车检查
B.行经下陡坡、长坡和溜滑路段,为省油,脱档熄火滑行
C.加添燃料时不用将发动机熄火
D.下坡路段停车后应锁好车门,关好车窗,拉手刹,挂倒档
[单项选择]当干燥一种团块或者是颗粒较大的时物料,要求含水量降至降低时,可选用()干燥器较适合。
A. 厢式;
B. 气流;
C. 带式;
D. 转简
[单选题]以下清热药具有免疫双向调节作用的是
A.栀子
B.知母
C.苦参
D.金银花
E.黄芩
[单选题] 人们形容“信息就在指尖上”,这说明( )。
A.网络中的信息资源分散、数量庞大
B.获取信息的方式有多样种多样
C.因特网的本质是一个连接全球的无穷无尽的信息资源库,要获取信息,只要按下手中的鼠标就可以了
D.信息可以在我们的思维加工后,新的信息就可以在指尖上流出来
[填空题]钢坯在加热炉内加热时间的计算很复杂,常常用经验公式来计算。这些经验公式通常把()作为重要参数。
[单选题]患者女性,50岁,既往有肝硬化病史10 年,近日来感腹胀,B超示大量腹水,医生抽腹水观察颜色为澄黄色,比重1.012,透明,初步断定腹水为
A.渗出液
B.漏出液
C.胸膜腔液
D.关节腔液
E.心包腔液
[简答题]如何理解分组密码的设计思想中扩散?通常如何实现扩散?
[单项选择]可引起呼吸抑制、喉痉挛和支气管痉挛的全麻药是:
A. 氧化亚氮
B. 硫喷妥钠
C. 氯胺酮
D. 麻醉乙醚
E. 氟烷
[填空题]轨道车司机在运行中严格执行“十六字令”和呼唤应答制度、( )制度。
[多选题]投保人用于购买保险的资金取决于( )。
A. 收入水平
B. 保险意识
C. 保险需求
D. 保险供给
[单选题]历史学家的工作对象是史料,这些史料主要是各种文献、遗存,它们可以归为广义上的文本,而且最终它们都要以语言形式进入史家的研究。就此而论,历史学家永远无法真正直接接触到过去本身,而只能借助于各种历史文本而对过去有所言说,因而,_。
填入画横线部分最恰当的一项是()。
A.文本性就是历史学家的全部工作所无法脱离的樊篱
B.无法接触完整的史料对历史学家来说是一种遗憾
C.对史料本身的收集和考证就成了史学客观性的保证
D.重建和还原历史的本来面目就成了历史学的根本目的
[单选题]客户办理借记卡销户时,显示该借记卡名下有外币子账户,需先使用()交易个人卡内账户销户交易办理外币子账户销户后,再办理借记卡销户。
A.2724
B.2909
C.2919
D.3983
[单项选择]齿条活塞导管孔和滚到的位置度超差,不可能导致的是()
A. 转向沉重发卡
B. 转向器内漏
C. 转向器左右两边手力不一致
D. 转向器回正困难
[单项选择]
Text
Liwan is the name of Guangzhou’s southwest district, bordered by Renmin Lu to the south and west. Not so long ago, in the (26) 1900s, this area of the city was renowned (27) its Cantonese restaurants, gardens, teahouses and boat rides on (28) many waterways. This was at a time (29) the Liwan area was (30) into a new town in much the same way (31) the Tianhe area is now becoming the place to be in Guangzhou.
Today, though, the Liwan district (32) rapid development (33) new high-rise apartment buildings are mushrooming everywhere. Most of the rivers that crossed the area (34) now disappeared, and (35) we can get to a boat ride is hiring a pedal boat on Liwan Lake. Fortunately, some attempt is (36) to preserve the area’s architectural and cultural heritage, particularly on the streets around Liwan Lake Park.
On Longjin Xi Lu, for instance, you can still see so
A. by
B. of
C. for
D. with
[判断题]液压传动适宜在传动比要求严格的场合采用。
[单选题]对于A320CEO飞机,擦机尾极限姿态为起落架未压缩时( )度,起落架压缩时( )度。
A.13.5,11.7
B.13.7,11.7
C.11.2,9.7
D.11.5,9.8
[多项选择]我国人民代表大会,同资本主义国家实行的议会制的区别表现在()。
A. 建立的经济基础不同
B. 体现的国家性质不同
C. 组织和活动原则不同
D. 权力的大小不同
[单项选择]质量事故书面报告由()提交。
A. 建设单位
B. 施工单位项目部
C. 项目监理机构
D. 设计单位
[单选题] 药品拼箱发货的代用包装箱应当有醒目的 标志。( )
A.零头
B.拼箱
C.封箱
D.装箱
[单选题]由大革命失败进入到土地革命战争的一个历史转折点的标志是( )。
A. 八七会议
B. 遵义会议
C. 中共四大
D. 中共五大
[填空题]机车运行中出现蛇行运动、沉浮运动、摇头振动、侧滚运动,轮轨间清洁与接触状态变化以及机车各动轮直径的大小差异,使轮轨间发生某种程度的滑动,都会使( )系数发生变化。P112T470
[填空题]
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A. Do you need
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B. What do you think of
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C. a little expensive
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D. Is it expensive
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E. That’s good
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F. How much is it
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G. Do you take
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H. How about this one
Sales Assoc: Hi, are you being helped
Karen: No, I’m not. I’m interested in some scarves.
Sales Assoc: (56) this one here It’s made of silk.
Karen: Hm, it looks nice, but I’d like to have something warm for the winter.
Sales Assoc: Maybe you would like a heavy wool scarf. (57)
Karen: I think that’s what I want. (58)
Sales Assoc: It’s seventy-five dollars plus tax.
Karen: It’s (59) . Is it possible to get a discount
Sales Assoc: Hm, since you like it so much, how about a 10 percent discount. That’s the best I can offer.
Karen: (60) . Could you
[单选题]⼴域⽹和局域⽹是按照_______来分的。
A.⽹络使⽤者
B.信息交换⽅式
C.⽹络连接距离
D.传输控制规程
[单项选择]我国经济体制改革的目标是
A. 建立现代企业制度
B. 建立健全宏观经济调控体系
C. 建立社会主义市场经济体制
D. 建立多层次的社会保障制度
[单项选择]拒食剂的作用特点是抑制昆虫()化学感受器的功能。
A. 听觉
B. 视觉
C. 味觉
D. 触觉
[单项选择]It was a cold spring morning in London. People walking in the street were wearing heavy clothes. The weather had been very bad for the past week, and now many people were ill. Today there were quite a few people in the doctor’s waiting room. There were still a few minutes before the doctor started seeing the patients (患者).
A man of about seventy years old was at the front of the queue (排队). He did not live in this city. He came from a farm north of London, he was here to visit his daughter who was a secretary in a big company. He wanted to see the doctor because of his back problem.
Soon an Indian (印度人) came into the waiting room, and walked straight to the doctor’s door. When he saw this, the old man stood up and took hold of his arm. He said slowly, "We were all here before you. You must wait for your mm. Do... you... understand "
The Indian answered, "No, Sir. You don’t understand! You’re all after me! I am the doctor!/
The change of weather made a lot of
A. Right.
B. Wrong.
C. Doesn’t say.
[单选题]当换热器中冷热流体的进出口温度一定时,判断下面的说法哪一个是错误的()。
A.逆流时,△tm一定大于并流、错流或折流时的△tm
B.采用逆流操作时可以节约热流体(或冷流体)的用量
C.采用逆流操作可以减少所需的传热面积
D.温度差校正系数中a的大小反映了流体流向接近逆流的程度