相关试题
【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
【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
推荐试题
【单选题】
当A330型飞机,驾驶舱选择键被设置为“CAPT”位,当乘务长接通撤离警告系统时 ___
A. 无任何反应,失效
B. 仅有驾驶舱及乘务长位的撤离系统被启动
C. 所有撤离指示灯闪亮,撤离警告呼叫客舱及驾驶舱
D. 客舱没警告出现,驾驶舱收到蜂鸣声
【单选题】
在A330型飞机的乘务员提示面板(AIP)上哪种信息会优先出现 ___
A. 同等优先,两种信息可同进显示于AIP上
B. 旅客呼唤铃
C. 机组正常呼叫
D. 厕所烟雾探测器
【单选题】
当A330型飞机,机长呼叫乘务长时得到的提示声是 ___
A. 1X高/高/低音(叮、叮、咚)
B. 3X高/高/低(叮、叮、咚)
C. 1X高/低音(叮、咚)
D. 3X高/低音(叮、咚)
【单选题】
在A330型飞机上,当EMER LIGHT按键被接通,则会 ___
A. 撤离路径灯、客舱应急照明灯、出口标志灯和出口指示灯亮出
B. 撤离路径及客舱应急照明灯亮出
C. 厕所烟雾探测器指示灯亮出
D. 厕所中的辅助照明灯亮出
【单选题】
A330型飞机,如乘务长在紧急情况下需要紧急呼叫驾驶舱,正确的操作应该是: ___
A. 按压PRIO CAPT键,要求紧急通话
B. 按压3次以上的PURS键,要求紧急通话。
C. 按下INTPH键再按CAPT键,要求紧急通话。
D. 按压3次以上的CAPT键,要求紧急通话。
【单选题】
急性酒精中毒昏睡期的表现是:___
A. 面色潮红或苍白
B. 可有呕吐及上消化道出血
C. 口唇微紫、心率快、呼吸缓慢、大小便失禁、瞳孔散大
D. 眼球结膜充血
【单选题】
病人表现心跳、呼吸停止;意识丧失;瞳孔散大;对光反应消失,此为:___
A. 临终状态
B. 临床死亡
C. 生物学死亡
D. 自然死亡
【单选题】
扎止血带应将止血带扎在:___
A. 直接扎在伤口上
B. 伤口的近心端
C. 伤口的下方
D. 伤口的上下两端
【单选题】
成人异物堵塞用拍背法抢救,拍打时用:___
A. 整个手
B. 两手指
C. 手掌根部
D. 手的小鱼肌
【单选题】
正常情况,成人血压为:___
A. 舒张压 60 – 90 mmHg;收缩压 90 – 140 mmHg
B. 舒张压 60 – 95 mmHg;收缩压 90 – 160 mmHg
C. 舒张压 60 – 90 mmHg;收缩压 90 – 160 mmHg
D. 舒张压 60 – 95 mmHg;收缩压 90 – 140 mmHg
【单选题】
止血带止血时应每隔半小时放松多少分钟:___
A. 1 ~ 2分钟
B. 2 ~ 3分钟
C. 5 ~ 10分钟
D. 10 ~ 15 分钟
【单选题】
成人异物堵塞用腹部挤压法抢救时,压迫的位置是:___
A. 胸部以下
B. 肋骨以下
C. 腹中线脐上远离剑突
D. 腹中部—肚脐周围
【单选题】
成人CPR,无论是单人还是双人操作,人工呼吸与心脏按压比例为:___
A. 1:15
B. 2:15
C. 1:30
D. 2:30
【单选题】
飞行中有旅客死亡,必须在飞行结束后( )小时内由机长或(带班)乘务长交出《飞行中医疗事件记录单》___
A. 12小时
B. 24小时
C. 48小时
D. 72小时
【单选题】
急性酒精中毒的症状不包括:___
A. 呼气或呕吐物有酒精气味
B. 全身抽搐,口吐白沫
C. 部分或完全失去意识
D. 脸红,脉搏跳动强烈
【单选题】
不属于癫痫病人的处理原则是:___
A. 迅速取下身上尖锐物品
B. 给予镇静止痛药
C. 前额冷敷
D. 迅速在口中塞上软物防止咬上口唇及舌部
【单选题】
急腹症的机上初步处理原则:___
A. 立即使用止痛剂和麻醉药
B. 禁食
C. 让患者平卧休息
D. 给予冷敷
【单选题】
毒品反应的症状不包括:___
A. 瞳孔大小异常,幻觉,饥饿
B. 对疼痛和敏感性增加
C. 失去协调,总体神经过敏
D. 呼吸急促、流泪、鼻涕
【单选题】
颅脑受伤的急救:___
A. 立即搬运至宽敞舒适的地方
B. 把耳朵及鼻子里流出来的液体堵住
C. 清理头皮上的伤口
D. 控制流血时用力不要过猛,因为可能存在骨折现象
【单选题】
惊厥/抽搐病人的常见病因是:___
A. 酒精中毒
B. 毒品反应
C. 发热
D. 脑出血
【单选题】
腹膜刺激征是指:___
A. 腹部压痛、剧烈呕吐、肌紧张
B. 腹部压痛、反跳痛、腹泻
C. 反跳痛、肌紧张、剧烈呕吐
D. 反跳痛、肌紧张、腹部压痛
【单选题】
一度烧烫伤的症状:___
A. 轻度红、肿、热、痛,无水疱
B. 局部红斑、有水疱、拔毛痛
C. 皮肤湿热、无疼痛
D. 皮肤苍白、无水疱 、无拔毛痛
【单选题】
典型发作的心绞痛,每次历时一般约为多少分钟?___
A. 大于15分钟
B. 小于15分钟
C. 小于60分钟
D. 大于30分钟
【单选题】
分娩三要素之一:___
A. 产妇体重
B. 就医状况
C. 胎儿大小
D. 产妇孕次
【单选题】
典型的心肌梗塞疼痛持续的时间一般为:___
A. 大于15分钟
B. 小于15分钟
C. 大于20分钟
D. 大于30分钟
【单选题】
静默三十秒(STS)——B.P.J.C.E中的”J”代表 ___
A. JUDGEMENT,判断机长是否发出撤离指令
B. JUDGEMENT,判断机长的指令是否正确
C. JUDGEMENT,判断旅客是否安全
D. JUDGEMENT,判断机外是否安全,机门是否失效
【单选题】
以下叙述不正确的是 ___
A. 一串铃响表明有紧急情况发生
B. 二声铃响表示飞机即将起飞,落地
C. 连续的高音频蜂鸣声表示执行陆上迫降或水上迫降程序
D. 一声铃响表示即将起飞或落地
【单选题】
水上迫降后,在救生船内移动位置的正确方式___
A. 快速跑动
B. 直接走过去
C. 不能移动,船会翻覆
D. 用手和膝盖爬行
【单选题】
飞行中,在()阶段发现有异常迹象必须立即报告机长 ___
A. 滑行、巡航或下降
B. 起飞、巡航或爬升
C. 滑行、下降、着陆
D. 滑行、最终进近或下降
【单选题】
如地面人员需要向空中救援人员表明“是”,正确的动作应该是: ___
A. 手上持一块布条,置于身体前部,左右挥舞。
B. 双手平举一块布条,高举过头,保持
C. 手上持一块布条,高举过头,左右挥舞。
D. 手上持一块布条,置于身体前部,上下挥舞。
【单选题】
在莫尔斯代码中,SOS信号的发布方式为: ___
A. 三长、三短、三长。
B. 三短、三短、三长。
C. 三短、三长、三短。
D. 三长、三短、三短。
【单选题】
STS是指 ___
A. 服务程序
B. 静默三十秒
C. 国际民航组织的某一代码
D. 航前准备的内容
【单选题】
维持体液平衡的方法___
A. 多吃肉类
B. 用嘴呼吸
C. 饮用酒精饮料补充体液
D. 多休息,少活动
【单选题】
迫降前的客舱准备中,旅客取下的尖锐物品应摆放在哪里___
A. 他们的外套内,以防丢失
B. 放入行李内,或用清洁袋包好放在行李架内
C. 放在前面座椅的口袋内
D. 交由乘务员统一保管
【单选题】
下列表述错误的是 ___
A. 为了加快撤离速度,客舱内有大量浓烟时,要求旅客在客舱内站着奔跑到门口撤离
B. 如客舱内有大量浓烟,用口令让旅客俯下身子或爬行到门口撤离
C. 陆地迫降常伴随有着火、浓烟,需防止撤离时吸入有毒烟雾昏迷、窒息,以至死亡
D. 如客舱内有大量浓烟,可用手电筒指示旅客向门口爬行
【单选题】
饮用水的供应中,求生第5天,如何分配水资源?___
A. 不饮水
B. 饮用量只需浸润唇、舌、喉
C. 不超过55~225ml
D. 不超过400ml
【单选题】
巡航中当发现有异常迹象时,任何一名乘务员应及时将情况 ___
A. 报告随机机务
B. 报告机长
C. 报告主任乘务长(带班乘务长)
D. 转告其他乘务员
【单选题】
在烟雾环境中,为避免吸入有毒的烟雾、气体,我们通常可使用PBE,我们还可采取的措施有: ___
A. 使用活动氧气瓶
B. 低下头保持在扶手以下的位置,用湿毛巾捂住口鼻
C. 打开附近的通风口驱散烟雾
D. 用天花板内的氧气面罩
【单选题】
在紧急撤离时,为了应付恶劣求生环境, 我们应尽可能多携带 ___
A. 各种必要供应品、餐食、饮料、餐车等
B. 各种必要设备、饮料、食品、毛毯等
C. 各种必要设备、干果箱、干点、小食品等
D. 各种饮料、水、食品、旅客行李等
【单选题】
飞行中遭遇,机外起火,客舱内充满烟雾、机体受损、异常的声响和撞击,发动机周围漏油等可能会导致 ___
A. 返航
B. 机长受伤
C. 迫降
D. 航班取消