【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___
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相关试题
【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
【单选题】
3)The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
A. induce complications
B. make easy
C. introduce complications
D. introduce easy
【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
A. combined
B. assembled
C. joined
D. assorted
【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
A. sending
B. transporting
C. delivering
D. giving
【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
B. make sure
C. find
D. search
【单选题】
(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
A. count in
B. count on
C. depend on
D. rely on
【单选题】
(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
A. laboriously
B. hardly
C. easy
D. effectively
【单选题】
(9)Often these procedures yield a compound having acceptable___ and safety.___
A. strength
B. effect
C. potency
D. effort
【单选题】
10)In many laboratories today, robots___ the routine work of parallel synthesis.___
A. help
B. assist with
C. assist in
D. assist to
【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
B. manufacturing
C. physical pharmacy
D. biopharmaceutics
【单选题】
(2)Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
B. analytical methods
C. drug delivery systems and manufacturing process
D. dosing regimen
推荐试题
【单选题】
(1)地球表层覆盖着很多圈层,其中最厚的圈层是 ___
A. 岩石圈
B. 水圈
C. 大气圈
D. 生物圈
【单选题】
(2)目前受人类影响最强烈的地球圈层部位主要在大气圈底层、岩石圈上层以及 ___
A. 生物圈表层
B. 生物圈中层
C. 水圈底层
D. 水圈全部
【单选题】
(3)生物圈的范围为___
A. 大气圈、水圈和岩石圈的全部
B. 大气圈和水圈的全部、岩石圈的上部
C. 大气圈的底部、水圈和岩石圈的全部
D. 大气圈的底部、水圈的全部和岩石圈的上部
【单选题】
(4)地球上最大的生态系统是 ___
A. 森林生态系统
B. 生物圈
C. 海洋生态系统
D. 城市生态系统
【单选题】
(5)被称为地球之“肺”的是:___
A. 草原
B. 针叶林
C. 沼泽地
D. 热带雨林
【单选题】
(7)地球的表面积总共达到5.1亿平方千米,其中海陆各占的比例大致是 ___
A. 三分海洋七分陆
B. 七分海洋三分陆
C. 四分海洋六分陆
D. 六分海洋四分陆
【单选题】
(8)地球的表面积约为5.1亿平方千米,表面起伏不平,凸出来的地方成为陆地和山脉,而大片大片下凹的部分经过亿万年的积累,被液态海水所淹没而变成了海洋,海洋面积占地球表面积的近___。
A. 2%
B. 51%
C. 71%
D. 91%
【单选题】
(9)关于我国地形特点的叙述,不正确的是___
A. 地形多种多样
B. 山地面积广大
C. 地势平坦,起伏和缓
D. 西高东低 呈阶梯状
【单选题】
(10)我国山区面积广大,其劣势是___
A. 森林资源不足
B. 耕地资源不足
C. 水能资源不足
D. 动植物资源不足
【单选题】
(11)北回归线穿过的我国省区自西向东排列正确的是 ①广东 ②广西 ③云南 ④台湾 ___
A. ①②③④
B. ③①②④
C. ③②①④
D. ④①②③
【单选题】
(12)我国少数民族主要分布在___
A. 西北和东北
B. 东北和东南
C. 西南和西北
D. 东南和西南
【单选题】
(13)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】
(16)下列叙述中,叙说天气的是___
A. 山前桃花山后雪
B. 塔里木盆地终年干燥少雨
C. 昆明四季如春
D. 忽如一夜春风来,千树万树梨花开
【单选题】
(17)位于江西省海拔1500米左右的庐山成为避暑胜地的主要因素是___
A. 纬度因素
B. 海陆位置
C. 地形因素
D. 季风
【单选题】
(18)大气的运动变化是由___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】
(19)下列行为不能了解某地天气变化的是___
A. 查看卫星云图
B. 听天气预报
C. 流览“中国气象在线”网站
D. 阅读空气质量日报
【单选题】
(20)地球上的水主要分布在 ___
A. 海洋中
B. 冰川中
C. 大气中
D. 江河中
【单选题】
(21)水循环是指水通过吸收太阳能量改变形态从而转移往返。下列环节中,属于具有产生能源使人们正在利用的是 ___
A. 蒸发
B. 降水
C. 径流
D. 水汽输送
【单选题】
(22)由于水的时空分布问题,经常造成我国不少地区的自然灾害。下列灾害的地区分布格局,属于符合我国一般规律的是 ___
A. 北涝南旱
B. 东涝西旱
C. 南涝北涝
D. 西旱东旱
【单选题】
(23)以下改变水循环措施中,属于对不恰当、不科学的是 ___
A. 开挖运河
B. 建造水库
C. 曲流裁直
D. 围湖造田
【单选题】
(24)夏季天天每公顷森林,可以从地下汲取70~100吨水化为水蒸气。说明森林具有以下什么作用___
A. 调节大气成分
B. 净化空气
C. 增加空气湿度
D. 保护农田
【单选题】
(25)我国正在建设中的“三峡水利枢纽工程”主要是为了解决___
A. 水污染问题
B. 水资源时间分配不均的问题
C. 水资源空间分布不均的问题
D. 水资源总量不足的问题
【单选题】
(27)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】
(28)要观察细胞的生命活动,通常需要借助 ___
A. 放大镜
B. 望远镜
C. 显微镜
D. 反光镜
【单选题】
(29)与洋葱细胞相比,家兔细胞缺少的结构是 ___
A. 细胞膜
B. 细胞质
C. 细胞壁
D. 细胞核
【单选题】
(30)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】
(31)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】
(32)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】
(33)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】
(34)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】
(35)城市道路两旁普遍种植大叶法国梧桐,既能绿化,又能吸尘。“法国梧桐”其实是___
A. 原产法国,是从法国引进栽培的
B. 原产东南欧、印度及美洲的悬铃木
C. 属于梧桐科的一种
D. 不清楚
【单选题】
(36)哺乳动物是胎生的脊椎动物,靠母体分泌的乳汁浦育初生幼体,多生活在陆地,有些也生活在海洋中。下列三种海洋动物哪个是哺乳动物?___
【单选题】
(37)下列动物中,属于鱼类的是___
【单选题】
(40)从已发现的化石看,人类的演化大致可以依次分为从南方古猿阶段到___
A. 能人阶段、直立人阶段到智人阶段
B. 直立人阶段、能人阶段到智人阶段
C. 直立人阶段、智人阶段到能人阶段
【单选题】
(43)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】
(44)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】
(45)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】
(46)亲代与子代之间传递遗传信息的物质就是“遗传物质”,这种物质的载体被称谓是 ___
A. 染色体
B. 基因
C. 细胞
D. 蛋白质
【单选题】
(47)染色体和遗传基因的关系是 ___
A. 两者互不相干
B. 两者是相同的概念
C. 染色体上携带基因
D. 基因上携带染色体
【单选题】
(48)具有典型细胞结构的生物的遗传物质是 ___
A. RNA
B. DNA
C. DHA
D. PHA