热门试题:
[单选题]在电阻电感串联的交流电路中,总电压是各分电压的( )。
A.代数和
B.代数和
C.相量和
[单选题]根据经验，排放一个齿轮箱润滑油约需15分钟，那么排放一列车齿轮箱油需时长( )。
A.150分钟
B.180分钟
C.210分钟
D.240分钟
[单项选择]女，35岁，患有风湿性关节炎史，除阴天时关节酸痛外，无任何不适，未给予治疗。3天来感冒、发热、咳嗽、咳黄色黏痰。入院前突感呼吸困难，频频咳嗽，咳粉红色泡沫样痰，烦躁不安。检查：血压100/60mmHg，呼吸32次／分，心率120次／分，律齐，心尖区滚筒样舒张期杂音，肺动脉瓣区递减型高调叹气样舒张期早期杂音，于吸气末增强，双肺散在哮鸣音，肺底湿啰音。该患者此时的诊断最可能的是（）。
A. 风湿性心瓣膜病、二尖瓣狭窄、肺部感染
B. 风湿性心瓣膜病、二尖瓣狭窄、急性肺水肿
C. 风湿性心瓣膜病、二尖瓣狭窄、肺栓塞
D. 风湿性心瓣膜病、二尖瓣狭窄、支气管哮喘
E. 风湿性心瓣膜病、二尖瓣狭窄、急性右心衰
[判断题]熔断器在电路中主要是对电器设备进行保护，在熔断器损坏的情况下为了电器的正常运行，可以借助铜丝线来实现。（易）（基础知识）
A.正确
B.错误
[不定项选择题]A.不仅关心病人的躯体，而且关心病人的心理
A.注意克服物化趋势
B.维护和尊重患者的知情同意权
C.正确处理同行关系
D.不能以医谋私
E.由生物医学模式转到生物心理社会医学模式，要求临床医师
[判断题] 多用螺钉旋具的规格是以它的全长(手柄加旋扞)表示。( )
A.正确
B.错误
[多选题]氧化锌避雷器的优点有(____)。
A.伏秒特性平坦
B.残压低
C.通流能力大、无续流
D.适用于GIS组合电器、直流系统
[单项选择]术中体温低于（）℃时极易发生心室纤颤（）。
A. 28
B. 30
C. 32
D. 34
E. 36
[单项选择]For the first time in history, evolution has taken a backseat. There is an ongoing realization that human beings are capable of directly shaping their own evolution. As we ease into the twenty- first century, we realize that genetic enginee-ring is undoubtedly going to have a dramatic (67) on our lives. It seems that with genetic engineering, science has moved from (68) the natural world to redesigning it. Now we must ask ourselves (69) this influence will be for better or for worse. However, scientists remain (70) in their opinions. Some have (71) against the hazards of genetic engineering, (72) others have dismissed these perils as inconsequential. Lewis Wolpert, professor of biology at University College London, says, "There are no ethical (73) because you are not doing any (74) to anyone." And the gist of his statement is staunchly supported by James Watson, a Nobel Prize winner. "If we can make better human b
A. principles
B. issues
C. causes
D. themes
[单项选择]A field is simply a social system of relations between individuals or institutions who are competing for the same stake. An example of a field may be higher education, colleges, and universities. Habitus is a set of potential dispositions, an internalized set of taken-for-granted rules that govern strategies, and social practices that individuals in some respects carry with them into any field. There is a system of unspoken rules and generally unspeakable rules. They are unspeakable because it is understood that it would be rude or socially punishable to try to talk about those rules. Or, in some cases individuals within a habitus cannot even articulate those arbitrary rules because they are unaware of them. That is, these rules may feel so natural and normalized that they seem as though they are the way things should be and always have been. An example of an unspeakable rule might be that a person should never discuss class privilege, as opposed to hard work, as contributing to the su
A. is a more modern concept about social class.
B. refers to the underlying rules in a social system.
C. has a more ambiguous reference than a field.
D. assumes a great significance within social relations.
[单选题]如果要运行一个指定的程序，那么必须将这个程序装入到______中。
A.RAM
B.ROM
C.硬盘
D.CD-ROM
[单选题]任何工作人员发现有违反《电业安全工作规程》，并足以危及人身和设备安全者，应（ ）。
A.立即报告
B.立即制止
C.立即提醒
D.立即远离
[多选题]除专用合同条款另有约定外，应由监理机构组织发包人按合同进行交货和验收的有（ ）。
A.水工金属结构
B.启闭机
C.机电产品
D.水泥
E.钢材
[单选题]进入密闭区域侦察时,应当在( )缓慢开启门、窗,并视情向门、窗内射水。
A.正面
B.侧面
C.前面
D.后面
[单选题]安全围栏的挂钩焊接处( )有裂纹。
A.可以
B.允许
C.不得
[单项选择]最常见的原因是锥体束病变（）
A. 保护反射
B. 牵张反射
C. 反射消失或减弱
D. 反射增强（亢进）
E. 病理反射
[单选题]引起丹毒的致病菌是:( )
A.金黄色葡萄球菌
B.β—溶血性链球菌
C.大肠杆菌
D.绿脓杆菌
[单项选择]承包单位以欺骗手段获取资质证书的，( )；构成犯罪的，依法追究刑事责任。
A. 予以取缔，处以罚款
B. 吊销资质证书
C. 吊销资质证书，处以罚款
D. 处以罚款
[单项选择]运动员过多地安排（）训练，容易发生髌骨劳损。
A. 负重下蹲
B. 半蹲位发力
C. 蹬地练习
D. 对脚练习
[单选题] 离心泵过滤网安装在( )。
A.进口阀与泵之间
B.进口阀之前
C.泵出口
[单选题]1.营业机构应指定各类实体印章的保管人员原则上应由（）保管。( )
A.会计主管
B.行长
C.柜员
D.后台柜员
[单选题]埋弧焊熔滴过渡的形式为。( )
A.粗滴过渡
B.细滴过渡
C.短路过渡
D.喷射过渡
[单项选择]宫口开在4cm后，子宫颈口不再继续扩张达2小时或2小时以上者称为（）
A. 活跃期延长
B. 活跃期停滞
C. 潜伏期延长
D. 潜伏期停滞
E. 第二产程停滞
[单项选择]在现代社会中，当一个人追求幸福生活时不应忽略接受教育方面的需求。如果没有对于人类在科学、文学和艺术等方面成就的欣赏能力，并从这种欣赏中获得满足，那么，一个人就算不上获得了真正的生活，只不过是生存而已。
这段话主要支持了这样一种观点，即教育( )。
A. 并不关注于某些具体的目的、
B. 可以使人更充分地享受生活的乐趣
C. 可以使人获得维持生活的基本能力
D. 主要教授有关科学、文学和艺术方面的内容
[单选题]在Word2007中，下列关于文档窗口的说法正确的是( )。
A.可以同时打开多个文档窗口，被打开的窗口都是活动窗口
B.可以同时打开多个文档窗口，但其中只有一个是活动窗口
C.可以同时打开多个文档窗口，但屏幕上只能显示一个文档窗口
D.只能打开一个文档窗口
[判断题]《全国组织机构代码编制规则》属于强制性国家标准，统计中使用的单位代码是根据这一规则编制，由全国组织机构代码管理中心赋予各单位的（）。
[单选题]在PCM系统中，采用（ ）表示模拟信号的抽样量化值
A.8位折叠二进制码
B.4位折叠二进制码
C.8位自然二进制码
D.4位循环码
[单选题]对于烟气能量回收系统的特点，下列选项中关于烟气描述错误的是
A.流量大
B.压力高
C.温度高
D.催化剂细粉含量较高
[简答题]装置的设计生产能力为多少，弹性为多少，收率为多少？
[判断题]为了方便工作,高处作业时可以抛掷物体。
A.正确
B.错误
[单项选择]
As they grow older, most people wonder how increasing age will affect intelligence. Can people in middle age and beyond expect to think as effectively and to solve problems as efficiently as they have in the past
One of the difficulties in comparing the intellectual functioning of people at different ages is the problem of cohort((具有相同特征的)一群人) effects. Different age groups in the population have experienced different historical events (wars, exposure to television, and so on) as well as changes in the general standard of living. Different scores that people of varying ages achieve on intelligence tests could be partly due to changes in diet, housing, or health care or, even more likely, to the amount and quality of education. Since the beginning of this century, there has been a trend for more people to go to school and to remain in school longer. Because it eliminates these cohort effects, a longevous (长寿的) study may be the best way to look at age-related changes in inte
A. Keeping higher levels of functioning throughout adulthood can guarantee high performance in old age.
B. Coronary heart disease can change cognitive abilities greatly.
C. All the people have more or less the same intellectual change over the tire span.
D. Changes in environment can affect the intellectual functioning for many peopl
[单项选择]证券投资者参与证券投资的目不是( )。
A. 参与公司管理
B. 赚取市场差价
C. 获得高于银行利息的收益
D. 收购企业
[多项选择]下列句子中，使用了通假字的有（）。
A. 寡助之至，亲戚畔之
B. 齐人归女乐，季桓子受之，三日不朝
C. 提刀而立，为之四顾，为之踌躇满志，善刀而藏之
D. 逝将去女，适彼乐土
E. 交戟之卫士欲止不内
[单选题]在屏柜上拆接线时应在端子排外侧进行，拆开的线应包好，并注意防止误碰其他运行回路，禁止将运行中的电流互感器二次回路开路及电压互感器二次回路（ ）。
A.短路
B.接地
C.短路、接地
D.开路
