热门试题:
[多选题]汽车式起重机起吊作业应在起重机的（）进行。
A.前向
B.侧向
C.任何方向
D.后向
[单项选择]八正散与小蓟饮子组成中均含有的药物是（）
A. 生地、滑石
B. 栀子、大黄
C. 木通、小蓟
D. 木通、滑石
E. 竹叶、甘草
[判断题]15米金属拉梯由上、中、下三个梯节、支撑杆以及升降装置组合而成。( )1
A.正确
B.错误
[多选题]本市( )等行政管理部门按照职责分工，负责对产生餐厨废弃油脂单位的监督管理。
A.食品药品监督
B.工商
C.农业
D.质量技术监督
E.出入境检验检疫
[单选题]燃油滤清器中的纸质滤芯可过滤( )以下的颗粒。[332010102]
A.5μm
B.5μm—10μm
C.10μm—15μm
D.15μm—20μm
[多选题]事故责任分以下（ ）几种。
A.主要责任，事故发生或扩大主要由一个主体承担责任者。
B.重要责任，事故发生或扩大起到关键作用。
C.同等责任，事故发生或扩大由多个主体共同承担责任者。
D.次要责任，承担事故发生或扩大次要原因的责任者，包括一定责任和连带责任。
[判断题]长径比较大的流化床反应器中的流动模型可以看成平推流。 ( )
A.正确
B.错误
[判断题]接地线应用多股软铜线和专用线夹固定在导线上。导线截面积应符合短路电流要求,但不得少于25mm2。使用前应经过详细检查,损坏的接地线应及时修理或更换。严禁使用其它导线代替。禁止使用缠绕的方法进行接地或短路封线。
A.正确
B.错误
[判断题]FusionCompute 中的虚拟机-块网卡只能加入一个安全组中
A.正确
B.错误
[单选题]天窗分为施工天窗和维修天窗。维修天窗：双线不应少于（ ），单线不应少于90 min。
A.70 min
B.90 min
C.120 min
D.180 min
E.
F.1
[判断题]焦炉煤气管道色标为大红色。
A.正确
B.错误
[单选题]变压器绕组发生相间短路引起着火，则应（ ）
A.立即检查直流电源系统和站用电系统运行情况
B.立即检查失电母线及各线路断路器
C.不能放油，以防变压器发生严重爆炸
D.打开下部阀门放油至适当油位
[单选题]建筑起重机械在使用过程中需要顶升的,使用单位委托原( )或者具有相应资质的安装单位按照专项施工方案实施后,即可投入使用。
A.租赁单位
B.安装单位
C.使用单位
D.总承包单位
[判断题]通常将具有弱分子键的矿物称为非极性矿物。（）
A.正确
B.错误
[填空题]档案纸张材料中的（）一旦发生水解，纸张强度就会下降，耐久性随之受到影响。
[单选题]明目蒺藜丸的功能不包括( )
A. 清热
B. 散风
C. 明目
D. 退翳
E. 化瘀
[简答题]轨检车图纸上反映出的地面标志主要有哪些？
[单项选择]治疗IUD所致月经过多较好的药物是
A. 铁制剂
B. 维生素K制剂
C. 缩宫素
D. 吲哚美辛(消炎痛)
E. 抗生素
[单项选择]目前中国电信采用的是3G中的哪种制式（）。
A. WCDMA
B. CDMA
C. CDMA2000
D. TD.SCDMA
[多选题]强风情况下火灾设立警戒线考虑因素(
A.建筑部局
B.构造形式
C.建筑特点
D.有无引起燃烧或倒塌的危险等
[单选题]发生或者可能发生急性职业病危害事故时,用人单位应当立即( ) ,并及时报告所在地卫生行政部门和有关部门。
A.、采取应急救援和控制措施
B.、进行人员调离
C.、将人员解除劳动合同
D.、封锁消息
[单项选择]（） we have finished the course, we shall start doing more revisions work.
A. For now
B. Now that
C. Ever since
D. By now
[判断题]普通型毫秒电雷管可广泛用于各类爆破工程中，可以用于煤矿井下爆破作业。( )
A.正确
B.错误
[单项选择]我国人民代表大会制度的核心内容和实质是( )。
A. 国家的一切权力属于人民
B. 少数服从多数原则．
C. 平等原则
D. 集体行使职权
[单选题]反间谍工作的主管机关是( )。
A.国务院
B.公安部
C.国家安全机关
D.国家反恐怖领导机构
[单选题]心电轴+120°，V1导联R/S＞l，V5导联R/S＜1，见于
A.右室肥大
B.左室肥大
C.左房肥大
D.右房肥大
E.双房肥大
[单项选择]Most Americans have at least one credit card. They give their owners automatic credit in stores, restaurants, and hotels, at home, across the country, and even abroad. And they also make many banking services available. For many of us the "cashless society" is already here.
While computers offer these conveniences to consumers, they have many advantages for sellers too. Electronic cash registers can do much more than simply ring up sales. They can keep a wide range of records, including who sold what, when, and to whom. This information allows businessmen to keep track of their list of goods by showing which items are being sold and how fast they are moving. Decisions to reorder or return goods to suppliers can then be made.
At the same time these computers record which hours are busiest and which employees are the most efficient, allowing personnel and staffing assignments to be made accordingly. And they also identify preferred customers for promotional campaigns. Computers
A. approaches to the commercial use of computers
B. conveniences brought about by computers in business
C. significance of automation in commercial enterprises
D. advantages of credit cards in business
[单选题]在制定客货运客户开发方案时.应主动联系车队物资采购部门或油料管理部门.积极宜传中国石油的( )、信誉、网络和资源优势.
A.历史
B.销量
C.品牌
D.效益
[单选题]下面关于严格执行安全操作规程的描述，错误的是( )。
A.每位员工都必须严格执行安全操作规程
B.单位的领导不需要严格执行安全操作规程
C.严格执行安全操作规程是维持企业正常生产的根本保证
D.不同行业安全操作规程的具体内容是不同的
[不定项选择题]共用题干
Exercise
Whether or not exercise adds___1___the length of life,it is common experience that a certain___2___of regular exercise improves the health and contributes a feeling of wellbeing.
Furthermore,exercise___3___involves play and recreation,and relieves nervous tension and mental fatigue in so doing,is not only pleasant but beneficial. How much and what kind of exercise one should___4___merits careful consideration. The growing child and the normal young man and young woman thrill with the exhilaration of strenuous sports.They fatigue to the___5___of exhaustion but recover promptly with a period of rest. But not so with___6___of middle age and beyond. For them moderation is___7___vital importance. Just how much exercise a person of a given age can safely take is a question___8___to answer. Individual variability is___9___ great to permit of generalization.
A game of tennis may be perfectly safe for one person of forty but folly for another. The safe limit for exercise___10___ on the condition of the heart,the condition of the muscles,the type of exercise,and the regularity with which it is taken.Two general suggestions,however,will___11___ as sound advice for anyone.The first is that the condition of the heart and general health should be___12___ periodically by careful, thorough physical examinations. The___13___is that exercise should be kept below the point of physical exhaustion.
What type of exercise one should___14___depends upon one's physical condition. Young people can safely enjoy vigorous competitive sports,but most older persons do better to limit themselves to less strenuous activities. Walking,swimming,skating are among the sports that one can enjoy and safely participate___15___throughout life. Regularity is important if one is to get the most enjoyment and benefit out of exercise.
15._________
A.with
B.from
C.in
D.on
[单项选择]夜间在路旁停车时（）。
A. 不要打灯
B. 应打亮紧急灯，并让近光灯亮着
C. 打亮紧急灯
D. 应打亮紧急灯，并让远光灯亮着
[判断题]拉下肩带使呼吸器处于合适的高度,只要感觉舒服即可。( )
A.正确
B.错误
[单选题]扑救影剧院火灾，在观众厅、舞台两侧和舞台地下室设置（）和移动炮阵地，堵截火势蔓延。
A.大口径水枪
B.移动炮
C.机器人
[单项选择]敞车的车型代码是（）。
A. C
B. P
C. N
D. G
[多项选择]咨询业作为国民经济中的新兴产业，具有下列功能中的( )。
A. 管理功能
B. 服务功能
C. 引导功能
D. 联系功能
E. 核算功能
[单项选择]影响消费者行为的外在因素之一是（）
A. 需要
B. 学习
C. 相关群体
D. 态度
