相关试题
【单选题】
目前人们一般辨别金属和非金属的方法是___
A. 是否导电
B. 是否有颜色
C. 是否透明
D. 是否有气味
【单选题】
黄金在自然界中的主要存在状态是___
A. 单质
B. 化合物
C. 混合物
D. 混杂物
【单选题】
盐是人们日常生活中最常见的一种化学物品,可用于调味和化工。在日常生活中盐还有许多妙用,但不能够用以___
【单选题】
对于经常有胃酸反应的人,你会建议他吃的药应具有 ___
A. 碱性的
B. 酸性的
C. 中性的
D. 辣性的
【单选题】
我国水资源的空间分布特点是___
A. 南丰北缺
B. 东北地区缺水最严重
C. 冬春季节少,夏秋季节多
D. 绝大部分地区水资源丰富
【单选题】
大气的运动变化是由什么引起的。___
A. 冷热不均
B. 水汽交换
C. 地壳运动
D. 万有引力
【单选题】
对细胞的概念,近年来比较普遍的提法是:有机体的___
A. 形态结构的基本单位
B. 形态与生理的基本单位
C. 结构与功能的基本单位
D. 生命活动的基本单位
【单选题】
自然界的生物可以分为三大类,这就是___
A. 动物、植物与微生物
B. 海洋生物、陆地生物与高山生物
C. 动物、植物与昆虫
D. 高等生物、低等生物与微生物
【单选题】
香樟是一种在长江三角洲地区常见的树种,它是属于 ___
A. 常绿针叶树种
B. 落叶针叶树种
C. 常绿阔叶树种
D. 落叶阔叶树种
【单选题】
老虎与豹是属于同一科大动物。下列动物中也属该科的是___
【单选题】
生物是人类不可缺少的“朋友”,但目前正遇到___
A. 人工培育威胁
B. 种类减少威胁
C. 自相残杀威胁
D. 天外来客威胁
【单选题】
被发现在南非的古沉积岩中,地球上最早出现的绿色植物是___
A. 蕨类植物
B. 地衣
C. 蓝藻
D. 苔藓
【单选题】
植物、藻类利用叶绿素产生的光合作用过程中,在可见光的照射下,能将二氧化碳和水转化为有机物,释放出的是 ___
【单选题】
呼吸作用是生物体内的有机物在细胞内经过一系列的氧化分解,在释放出能量的同时,最终生成的主要是 ___
A. 氧气
B. 二氧化碳
C. 氮气
D. 不知道
【单选题】
晚上,植物与动物都不应该放入卧室内,要将其移到卧室外,这是因为它们会降低卧室内的___
A. 空气温度
B. 空气湿度
C. 氧气浓度
D. 氮气浓度
【单选题】
杂交优势往往在第几代杂交种子中表现最明显。___
【单选题】
以下不属于人体增强技术类型的是___
A. 短暂性增强
B. 持续性增强
C. 结构性增强
D. 内在增强
【单选题】
大陆漂移学说是由谁提出的___
A. 勒比雄
B. 魏格纳
C. 赫斯
D. 李四光
【单选题】
(1)Whieh of the following descriptions about the characteristics of physiology is wrong?___
A. It is the study of how living organisms work.
B. It illustrates the discipline of the development and the evolution of disease and the essence of disease.
C. It is to study the living phenomena and the function activities of living organs.
D. It is to explain how they are regulated and integrated.
【单选题】
(2) Which of the following are specialized in producing force and movement?___
A. muscle cells
B. connective tissues
C. nerve cells
D. epithelial cells
【单选题】
(3)The fluid environment surrounding each cell is called the___
A. intracellular fluid
B. intracellular fluid
C. internal environment
D. external environment
【单选题】
(4) Which of the following is not the fundamental characteristic of living organisms?___
A. metabolism
B. adaption
C. reproduction
D. passive diffusion
【单选题】
(5)Whicl of the following is a physiological process with negative feedback?___
A. blood coagulation
B. process of passing urine
C. sino-aortic baroreceptor reflex
D. process of parturition
【单选题】
(6)Which of the following is not the characteristic of regulation by hormone?___
A. diffusenin nature
B. longer in duration
C. accurate in action
D. action in overcorrection
【单选题】
7)Which of the following is not the characteristic of cells?___
A. They are bound by the plasma membrane
B. They have the ability to break down large molecules to smaller ones to Liberate energy for their activities
C. They possess a nucleus which contains genetic information in the form of deoxyribonucleicacid(DNA).
D. Living cells can not transform materials.
【单选题】
8)The breakdown of large molecules to smaller ones is called___
A. respiration
B. anabolism
C. catabolism
D. absorption
【单选题】
9) Which of the following descriptions about the characteristics of nervous regulation is wrong?___
A. It responds fast
B. It acts exactly
C. It responds slowly.D.
D. uration is short
【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
A. Homeostasis is kept by feedback control.
B. Negative feedback minimizes the changes, leading to stability.
C. Positive feedback is not useful.
D. Feed-forward makes human body foresee and adapt itself to the environment promptly.
【单选题】
(1)Which of the following parts of knowledge of drugs should be included in pharmacology?___
A. The effects of drugs on man
B. The correlation of biological activity with chemical structure
C. The history, source, physical and chemical properties, compounding, biochemical and physiologicaleffects, mechanisms of action, absorption, distrilbution, biotransformation and excretion.
D. The prevention, recognition, and treatment of drug poisonings
【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
B. He had a broad botanical knowledge
C. Fewer drugs were obtained from natural sources
D. Natural drugs had little difference with synthetic ones
【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
B. to select a plant and its preparation
C. to have the ability to purify natural plants
D. to have curiosity that stimulates them to learn about sources of drugs
【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
B. the preparing, compounding, and dispensing of medicines
C. dosage forms of medicines available
D. the therapeutic and other uses of medicines
【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
B. Pharmacodynamics is focused on the characteristics of drugs
C. Pharmacodynamics borrows freely from both the subject matter and the experimenta techniques of physiology, biochemistry, microbiology, genetics and pathology
D. Pharmacodynamics correlates the entire field of preclinical medicine
【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
B. the second half of the eighteenth century
C. the second half of the nineteenth century
D. the second half of the twentieth century
【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
B. study of the process of drugs in the body
C. study of the effect and the mechanism of drugs on the body
D. study of the correlation of the actions and effects of drugs with their chemical structure
【单选题】
(9)Which of the following is true when drugs are selected?___
A. It has to be based in part on legal reasons.
B. It has to be based in part on ethical reasons.
C. It has to be based in part on the pharmacological evaluation in man
D. It has to be based in part on the pharmacological evaluation in animals
【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
A. They stimulate or depress biochemical or physiological function in man in a sufficiently reproducible manner to provide relief of symptoms or, ideally, to alter favorably the course of disease
B. They can produce desired effects with only tolerable undesired effects
C. They have only minimal effects on man but can destroy or eliminate parasites
D. The selectivity of their effects is one of their most important characteristics
【单选题】
1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
A. division
B. pieces
C. part
D. fragment
【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
B. inert
C. soft
D. active
推荐试题
【判断题】
86大馈线校验不会对大馈线的变电站出线开关进行校验
【判断题】
87大馈线校验不会对大馈线下的站内-连接线等虚拟设备进行校验
【判断题】
88当大馈线下的导线段和电缆段没有起始设备时,大馈线校验将会报错
【判断题】
89大馈线下的杆塔是耐张杆或者直线杆对大馈线校验不会有影响
【判断题】
90大馈线校验可以实现对馈线下设备的所属关系、设备连通性进行检查
【判断题】
91当该条大馈线内无常开开关时,该条大馈线将会生成在辐射闭合线路系统图内
【判断题】
92专题图中,格式刷在进行框选刷设备标注格式时,可以将框选内的所有设备标注格式都进行更新
【判断题】
93在系统图中,当需要查看两条线路之间是否存在联络,可以使用“连通性分析”功能进行查看
【判断题】
94当专题图中图纸中线路联络关系有较大的变动时,可以通过重新布局对图纸进行重新生成
【判断题】
95专题图中,如果需要将指定间隔调整到母线的相应位置,可以使用间隔重设来实现
【判断题】
96当需要对专题图中的一根导线段或者电缆段进行水平或者垂直拉直时可以使用专题图中正交的按钮来实现
【判断题】
97在专题图的菜单按钮上的“模糊查找”功能中,不能对导线段进行查找定位
【判断题】
98专题图中,右侧的图形树是无法隐藏的
【判断题】
99在专题图中,设备的标注显示字段是系统默认显示的,是无法进行修改的
【判断题】
100专题图中辅助外框是单线图专属的,且辅助外框可以进行隐藏
【判断题】
101当遇到已经生成过单线图的大馈线需要退役时,可以直接在图形端的大馈线树下将大馈线下设备清空,然后进行删除即可
【判断题】
102单线图中,不小心将图纸中部分分支线注记删除后,可以通过创建分支线注记功能来实现创建
【判断题】
103专题图中,在图纸中创建注记并完成图纸保存后,若要对注记进行进行删除操作,只能将该图纸删除重新生成才行
【判断题】
104专题图中,杆塔、导线段、开关这些设备都可以通过选中右键“转到地理图”,包括站内-连接线也是可以的
【判断题】
105专题图中,使用取消关联系统图功能后,在点击该供电区域框右键打开系统图,将无法再打开系统图图纸
【判断题】
106单线图中,联络线路的示意线根据联络开关的功能进行区分标注显示,当与之相连的常开开关为主线,显示“至:XX线”
【判断题】
107站内-接地刀闸在系统图和站室图内都是不进行成图展示的
【判断题】
108站室图中,站房间隔出线第一个杆塔与变压器相连,成图展示杆塔和柱上变压器设备
【判断题】
109站室图的下级站房,只能生成有线路出现的间隔,没有出线的站内间隔将不进行成图
【判断题】
110单线图成图中同一主干线或分支线成图时将不会进行拐弯
【判断题】
111站房的所属大馈线字段未维护不会影响单线图成图
【判断题】
112导出图模文件时存在报错将会导致图模文件无法发送至配电自动化
【判断题】
113发送至配电自动化的图模文件,针对图纸内的电压等级不一样的线路,颜色展示任旧一样
【判断题】
114区域系统图中,主干线和分支线的电缆段成图时的粗细是不一样的,主干线比分支线粗
【判断题】
115系统图中展示站外-中压用户接入点属性为分布式、自发自用的设备
【判断题】
116系统图在成图时,不是百分百都能保证设备与标注不压盖,在设备量较多线路较复杂情况下,也是有可能会出现部分压盖情况
【判断题】
117专题图中的图元样式跟地理图的设备图元样式是一模一样的
【判断题】
118专题图模块中无法直接查看开关的台账信息,必须要通过跳转到地理图才可以查看
【判断题】
119系统图可以通过选中某个单线图的设备右键跳转至相对应的单线图图纸
【判断题】
120在新设备变更申请中,站室图只生成当前站房的上一级和下一级站房,其它级站房不会进行生成
【判断题】
121单线图成图时可以将分支线注记一起生成,当然也可以选择不用生成
【判断题】
122在地理图中,配电变压器的设备属性列表已经不再显示“容量标注”字段
【判断题】
123大馈线修改功能可以对馈线的出线开关名称和类型进行修改
【判断题】
124地理图快速定位时,站内-电站这类设备是在站外一次的分类内
【判断题】
125网格设置时,网格数填写越大,站内图的网格反而越少