当前位置:文档之家› 21世纪是零点能世纪

21世纪是零点能世纪

21世纪是零点能世纪
21世纪是零点能世纪

21世纪是零点能世纪[1]

THE ZERO POINT ENERGY CENTRURY[2]

江兴流[3]

(北京航空航天大学,北京100191)

JIANG Xing-Liu

(Beihang University, Beijing, 100191, China)

【摘要】普朗克在1912年提出了零点能的概念。1916年,W. Nernst认为,我们的宇宙是充满零点能的宇宙。在物理学中,零点能是指一个量子物理系统具有的最低可能的能量。当一个真空域的边界发生变化时所引起的零点能的改变,会导致可观察到的卡西米尔效应。

21年前,“冷核聚变”研究者观察到许多异常现象,它们不能用已有的核物理理论加以解释,尽管这些现象在理论和应用方面都有着重要前景,但仍然受到主流科技界的排斥。经过“冷核聚变’研究者的长期的不懈努力,越来越多的人认识到“冷核聚变”研究的重大意义,有些政府组织意识到这可能是具有诺贝尔奖水平的能源技术,开始积极行动,投入研究经费。

基于“比费尔德-布朗效应”(Biefeld-Brown Effect)的飘升机(Lifter)是一种

只用电能的、没有可动部件的、静音飞行的飞行器。实验证明,它也可以在绝缘油中和真空中运动。它的出现为推进原理的突破提供了新思路。

随着对真空零点能、挠场、卡西米尔效应的深入研究,人们开始认识到“冷核聚变”和飘升机现象是零点能的一种表现,对真空零点能进行深入的理论和实验研究将带来能源和推进技术的革命性突破。科技界有人提出,21世纪是零点能世纪。

【Abstract】The Zero-Point Energy (ZPE) in physics, is the lowest possible energy that a quantum mechanical physical system may have and is the energy of the ground state. The quantum mechanical system that encapsulates this energy is the Zero-Point Field. The variation in Zero-Point Energy as the boundaries of a region of vacuum move leads to the Casimir Effect, which is observable.

It is well known that phenomena of electrical discharge always bring on transient energy concentration temporally and spatially. Highly localized nuclear activation in electrochemical systems and other electrical discharge processes had been observed at many laboratories in world. Based on the theory of vortex dynamics, the strange phenomena of “Cold Fusion”, such as the excess heat, anomalous nuclear transmutation and so forth, are considered to be interpreted by the torsion coherence with the Zero-Point Energy induced by localized intense field emission of micro-protrusion of the cathode, and the dynamic Casimir Effect. A logical extrapolation of this discovery is that the strong force of the nucleus is in fact an ultra-close range Casimir Effect.

The Lifter using the Biefeld-Brown effect, works without moving parts, flies silently, uses only electrical energy and is able to lift its own weight plus an additional payload. There existBiefeld-Brown Effect in air, in insulation oil and in high vacuum.

The Casimir Effect governs interactions of matter with the energy that is present in a vacuum. Success in harnessing this force could someday help researchers to convert energy from quantum vacuum to usable energy of heat,

electricity, mechanical energy or other forms of power, and to develop

low-friction ballistics and even levitating objects that defy gravity.

【关键词】零点能;卡西米尔效应;挠场;比费尔德-布朗效应

【Key words】Zero Point Energy; Casimir Effect; Torsion Field; Biefeld-Brown Effect

0 前言

现代物理要求发展一种能正确描述自然界的物质和能量的性质和它们之间相互作用的理论模型。这种模型不仅能诠释人所共知的现象,还能预示尚未发现的现象。目前流行的物理模型称作标准模型。该理论基于大爆炸假说,认为在大爆炸的那一瞬间创造出所有的物质、能量和场力,而引力、电磁力与核弱力、核强力是单独的、互不相干的场效应。用主流科学的标准模型无法解释许多基本的自然现象,如:基本粒子的自旋、超流、超导、龙卷风,以及Bifeld-Brown效应、冷核聚变所产生的许多异常效应等,一种新的、更为完善的理论正在探索中。

零点能(Zero Point Energy, ZPE)驱动粒子运动,粒子运动产生零点能,整个宇宙就是以这种能量自反馈的循环再生形式存在着。所有的物理现象都与真空密切相关,许多与涡旋动力学有关的异常现象,有可能从真空零点能的挠场相干过程中,找到答案。如:湍流形成,陀螺失重,超流和超导,声致发光,电化学异常现象,超快强激光打靶产生高能离子,类星体与超高能宇宙射线,天体抵抗熵增加而形成星系等等。

21世纪物理学的发展趋势是利用零点能,用微观粒子与宏观真空相结合的方法研究各种物理现象,提高人类对自然界的认知能力,并与自然界和谐共处。

1 量子真空零点能

量子理论预示,真空并不是真正一无所有。真空作为虚等离子体,充满时隐时现的粒子和在零线值上涨落的场。在一个电磁场中,虚光子的出现是以量子系统中的能量的微小重整,也即拉摩漂移为标志的。基于此,科学家早就知道,我们地球处在一个高密度的能量的海中,这种能量渗透到宇宙的每一个角落。因此,通常认为的发电机或电池并不向外电路输出能量,它们只是起到一种通道的

作用,它们从周围环境的真空能吸取能量,转换为可应用的能量,输出到外电路各个元件。最近的研究表明,量子真空零点能这一巨大的能量宝库有可能开发为可应用的能源,Haisch等人申请的专利(US 7379286 B2, MAY 27, 2008)就是一例。

可见的物质和不可见的能量通过涡旋相互联系:就像水中的涡旋,它是水,又不同于周围的水,它对周围的涡旋或水有某种作用力,因此,可以认为涡旋具有基本的物质形态;龙卷风是空气,但它不同于周围的空气。物质粒子产生于真空零点能。但由于有涡旋结构,它又有别于周围的真空零点能。

卡西米尔力是主导物质和真空中的能量的相互作用的力。在真空中,两块靠得很近的导电平板之间的吸引力——卡西米尔力,可能影响从微机械到自然界的统一场论。人们也在探索用超短程卡西米尔力解释核力的来源。

真空是宇宙中的基本介质。爱因斯坦在他的《空间的概念》一文中指出:空间是第1位的,物质是第2位的。空间包容了所有的物质。物质是一种以波的形式出现的能量模式。物质量子是物质的建筑砖块,它更多地表现为波的形式而不是粒子的形式。

中国《科技日报》于2000年4月19日刊登一篇题为《“冷核聚变”与新能源——真空能》的评论性文章。该文简述江兴流提取的真空能理论和实验研究成果,认为真空能的大规模利用为人类描绘了一个美好的未来。10年过去了,如今这篇文章在互联网上成为关注能源问题的人们的点击率很高的一篇重要文章。江兴流等人撰写的论文《瞬态涡旋动力学与非平衡体系中的异常核现象》已被作为优秀论文收入由路甬祥为编委会主任的《中国科技发展论坛》大型文献中。

2 挠场

有人提出,涡旋是能量运动的最基本形式。随着对自然界和实验室现象的深入观察,人们发现:涡旋现象存在于自然界的各个层次,从微观的基本粒子自旋、超导体和超流体中的涡旋点阵、DNA的螺旋结构、宏观的等离子体自收缩、电化学点腐蚀、龙卷风、银河系、类星体、黑洞等都存在涡旋现象,整个宇宙通过旋量守恒而联系在一起。粒子和物质产生的涡旋是信息的携带者,它们几乎瞬间地通过挠场相互作用着。因而有人把涡旋称为宇宙的引擎,它是连接不可见能量和可见物质的桥梁。从物理学的角度来看,能量和物质是相同的,不同之处在

于振荡频率。调整振荡频率,能量和物质可以互相转换。现实中,许多异常物理现象都与涡旋相关。人们也发现,大量的异常放能和核反应现象不能用现有的4种相互作用加以解释,需要引入挠场(或称自旋场、轴子场、微轻子场)。挠场的研究始于1922年的嘉当理论。在爱因斯坦-嘉当理论中,一切旋转体都产生挠场波,并且通过时空传播。挠场与经典电磁场和引力场不一样。它属于一种尚未清楚了解的基本相互作用,它有许多独特的性质,如:高穿透性、记忆和滞后效应、超光速传递和全息特性等,它是物理真空极化的一种表现,具有涡旋拓扑性质。

近年来,通过对粒子自旋和宏观物体的旋转角动量的深入研究,科学家对挠场理论作了进一步的完善。这一理论不仅使我们对提取真空能提供了可能的途径,而且也对量子理论中违反直觉性质的异常现象有了新的认识,如与量子牵连相关的非定域的许多现象。目前,国外的挠场理论和试验研究已经有了很大的进展。由于挠场具有许多独特性质,使它在生物、医疗、新能源、通信、地质、材料、天文等方面有着特殊的应用。

挠场的特性:

(a) 像引力场一样,挠场不会被任何自然物质所屏蔽,即挠场在自然物质中传播不会损失能量。

(b) 挠场的作用只改变物质的自旋状态。

(c) 挠场的传播速度至少为光速的109倍。

(d) 挠场产生轴向加速。

(e) 挠场源被移走以后,在该地点仍保留着空间自旋结构,即:挠场有滞后效应。在冷核聚变研究中,许多实验室观察到滞后放热(Heat after death)现象,就是例证。

(f) 挠场是全息的。

(g) 挠场是思维和意识的物质基础。

继铜基超导材料之后,日本和中国科学家最近相继报告发现了一类新的高温超导材料——铁基超导材料。高温超导是指材料在某个相对较高的临界温度,电阻突降至0的现象。1986年,科学家发现了第1种高温超导材料——镧钡铜氧化物。自那以后,铜基超导材料成为全世界物理学家的研究热点。然而直至今日,对于铜基超导材料的高温超导机制,物理学界仍未形成一致看法。这也使得

高温超导成为当今凝聚态物理学中最大的谜团之一。因此很多科学家都希望在铜基超导材料以外再找到新的高温超导材料,从而能够使高温超导机制更加明朗。2008年2月,东京工业大学(Tokyo Institute of Technology)的Hideo Hosono及其同事发现了第1个铁基高温超导材料,在温度为26K时,材料的电阻消失了。2008年3月25日,中国科学院物理研究所赵忠贤领导的科研小组报告,氟掺杂镨氧铁砷化合物的高温超导临界温度可达52开尔文(-221.15℃);4月13日,该科研小组又有新发现:氟掺杂钐氧铁砷化合物假如在压力环境下产生作用,其超导临界温度可进一步提升至55开尔文(-218.15℃)。此外,中科院物理所闻海虎领导的科研小组还报告,锶掺杂镧氧铁砷化合物的超导临界温度为25开尔文(-248.15℃)。

新的铁基超导材料将激发物理学界新一轮的高温超导研究热。

铁的自旋是控制铁基超导材料许多物理性质的关键因子,如:原子位置、晶胞尺寸、结构相变、晶格震荡等。而粒子的自旋来源于量子真空的零点电磁涨落。自旋极化是挠场理论研究的主要目标。J. E. HIRSCH认为:现有的BCS超导理论,不能解释许多超导现象,更不能预示超导材料,只是一个类似于金融界的“麦道夫”理论一样的大骗局。作者认为:研究超导材料的自旋极化和涡旋点阵,将为我们建立正确的超导理论提供新思路。

3 冷核聚变现象以及物质与能量转换

从1989年开始的世界范围的“冷核聚变”研究以来,许多研究者,如:伊利诺依大学的G. H. MILEY,北海道大学的T. Mizuno,北京航空航天大学的江兴流等众多科学工作者发现,在电化学过程产生6~220质量数的反应产物。这些反应产物包括从氢到铅的许多元素,并且新产生元素的同位素分布与天然的同位素大不相同。这些物理现象证明:在化学反应能的激发下,能产生核反应,它们无法用现有的核反应理论解释,对流行的标准模型理论是一种挑战。

根据《Physics World》报道:最近,日本知名科学家、大阪大学名誉教授Yoshiaki Arata在媒体前公开展示了他最新的研究成果,在常温条件下将氘气变成氦,并且产生超常能量。这些实验结果也为其他实验室所重复。他们将氘气压入钯锆氧化物(ZrO2-Pd)后,反应容器的温度上升到70摄氏度,并且长期处于远

高于室温的状态达50个小时。据称这些热量便是来自冷核聚变反应。

动态卡西米尔效应与卡西米尔腔体的几何结构有关——

◆可以是放出能量或产生新元素,如:声致发光、各种条件下的“冷核聚变”实验所观察到的现象;

◆也可能是吸收能量,使元素发生变化或消失,如:正负电子对在晶体中湮灭,涡流管同时具有的抽真空、制冷和加热功能,以及张裕光发明的集成动量转换器实现尾气微排放等等。

在美国,被称为“现代达芬奇”的Walter RUSSELL提出生成波(Wave of Creation)理论:一对轴向收缩的螺旋波——

◆在两极缠绕成球形,合成为物质;

◆在赤道扩张,解开缠绕,回归为能量。

他认为:核嬗变过程,并不是从一种元素变为另一种元素,而是元素的存在提供了嬗变的条件。由此可知,所有的粒子都可以看成是某种结构的涡旋体。瞬变涡旋提供了元素变化的条件。Walter RUSSELL从实验中观察到,在外加电磁场的作用下,只充有气态14N的真空室中,发生了核嬗变。谱仪分析表明:真空室中,出现大量的元素4He和5Li。此外,Walter RUSSELL在低温条件下通过毛细管效应或改变磁场分布的方法,将氧转化为氮和氢;但他那时还没有认识到量子真空零点能的基本性质,还不能提出动态卡西米尔效应的概念。

声致发光和声致核反应:声致发光可以用不同极化程度的介质的移动界面之间的量子辐射加以描述。实验表明,其光谱是连续谱,而不是某一元素的特征谱,就像Miley、Mizuno等人观察到的“冷核聚变”实验中出现的、几乎连续的、新产生的6~220质量数的反应产物元素谱。

生物核嬗变与零点能:2009年3月22日,美国化学学会237次年会的环境化学分会在盐湖城召开。会上,V. VYSOTSKII和A. KORNILOVA系统地介绍了他们及世界其他实验室在生物体系中的核嬗变的研究成果。实验结果表明:研究者观察到Na变成Mg,K变成Ca和Mn变成Fe,并且测量到超常能量的产生。对于生物核嬗变的研究结果,表明了核嬗变现象的普遍性。

一个异常物理现象的破解,可以动摇一个理论体系,冷核聚变现象的研究正处于这种状况。大量的实验事实表明,低能核反应是存在的,例如:元素的化

学态影响该同位素的半衰期;电化学过程中的核现象;高密度电荷团引发的核嬗变;燃烧过程中的核产物;生物体内的核过程等等。德国冯纽曼研究所的杜尔等人用大型计算机计算的结果表明:物质只不过是真空涨落的产物。质子中的3个夸克的总质量只有质子质量的1%。基于对真空零点能的研究,我们相信:所谓的“冷核聚变”现象是零点能的一种表现。

4 Biefeld-Brown效应与场推进

20世纪20年代美国物理学家Paul Alfred BIEFELD和他的学生Thomas Townsend BROWN发现了一种奇特的、即使是到了现在尚不能完全被理论解释的现象,即在给一个不对称电容器加上高电压时,电容器会产生一种未知的力的作用。这个现象就以这两位物理学家的名字命名,称为Biefeld-Brown效应,我们也可称之为“场推进”。

图1应用Biefeld-Brown效应的场推进船舶

图2绝缘油中的Biefeld-Brown效应

基于Biefeld-Brown效应的世界上第1艘场推进船只,最先出现在北京航空航天大学的有关实验室。这种没有螺旋浆、没有喷射推进装置的新型船只静悄悄地在水面航行,船体中包括蓄电池、高压电源、场推进装置、无线电接收器等,总重量为1.5kg,船只的航行方向由地面电磁遥控器控制。这种场推进船舶在北京航空航天大学第17届“冯如杯”学生课外学术科技作品竞赛中获1等奖,并获第10届“挑战杯”全国大学生课外学术科技作品2等奖。

基于Biefeld-Brown效应的场推进旋转与飘升演示仪在2007年第8届物理演示实验教学研讨会上获全国高校第8届物理演示教学仪器1等奖。此外,我们还用细丝-薄膜电极旋转结构,在空气中、在绝缘油中和在高真空中观察到Biefeld-Brown效应。而且,在某一特定外加电压条件下,旋转方向会发生突然反转。

2004年《航空周刊与空间技术》(Aviation Week & Space Technology, March 1, P. 50)中提到“科幻小说描述的零点能,可能成为星际航行的关键所在。”,“一些世界级航空公司及美国国防部的有关部门认为零点能将是航空航天运载工具推进方式的下一个突破口。”萨哈洛夫曾提出:引力不是单独的力,引力与

真空零点涨落有关。而且,许多科学家认为:物体的引力质量和惯性质量并不是恒定的,它们可以通过调控环境电磁辐射的频率和强度加以改变。电晕放电是一种高频脉冲电磁辐射源,船舶推进过程中,伴随着电晕放电现象。人们正在探索能否用一块两面具有不同微观结构的金属板,获得单方向的推力。从微观考虑,不同的表面微结构形成的量子腔体,由于吸收或反射真空零点能的不同频段的频率,从而形成产生单向推力。

5 小结

宇宙中所有的物质都来源于零点电磁涨落能,没有任何一个物理体系称得上是孤立体系。低能核反应是普遍存在的现象。从体系的温度变化、粒子浓度扩散、生物核嬗变到电化学过程,都存在一定几率的核反应,人为地增强空间场,将促进核嬗变过程。

能量的最小单位是涡旋,涡旋是联系可见物质和不可见能量的桥梁。所有的物质都由能量汇集而成,而在物理世界中,涡旋不断地积聚、控制或消散能量和质量。源于真空零点能的卡西米尔效应可以解释核力的起因。

研究流体中的不同尺度和结构的湍流现象,结合零点能、挠场和动态卡西米尔效应,观察湍流的演化过程,将使我们对大自然本质的认识进一步深化。零点能及其所涉及的领域是当前科技的制高点,也是新经济的增长点。

--------------------------

[1]江兴流:《21世纪是零点能世纪》,北京:《前沿科学》(季刊),2010年(第4卷)第3期(总第15期),第15~20页。收稿日期:2010年05月20日;修订日期:2010年08月05日。

[2] JIANG Xing-Liu, THE ZERO POINT ENERGY CENTRURY, FRONTIER SCIENCE (quarterly), Beijing, 2010,04 (3), pp. 15~20.

[3]【作者简介】江兴流,男,北京航空航天大学教授,博士研究生导师,享受政府津贴。长期从事前沿科学研究工作,研究真空零点能、纳米科学技术、核科学、场推进等,曾获多项国家自然科学基金、“863”项目及其他科研基金资助。

补充插图2011年07月04日晚,社会系统工程专家组与北京实现者社会系统工程研究院举办了一期“知行者·实现者论坛”(Realizrer Forum),主题为“真空零点能(Zero Point Energy, ZPE)应用技术”。论坛气氛平等、开放而热烈,在“既解放思想又实事求是”的基础上,始终充满着“既大胆猜想又谨慎质疑”的张力。著名主流科学家、北京航空航天大学江兴流教授,著名“非主流”科学家、中国地质大学沈今川教授等出席论坛。

图为参加者合影留念。左→右:殷晗(上海力博机电设备有限公司),安虎生(北京实现者社会系统工程研究院),江山(北京银云海技贸公司),沈今川(中国地质大学),江兴流(北京航空航天大学),孙舸[北京实现者社会系统工程研究院人类潜能实验室(RHPL)],吴州(俄罗斯金星有限责任公司),常远(中国航天社会系统工程实验室、西北工业大学资源与环境信息化工程研究所),夏惠义[华夏神盾科技(北京)有限公司],,孙法兴(无锡圣贝尔机电有限公司)。

参考链接

21世纪大学英语应用型综合教程修订版4课本练习答案

Unit 1 A. Fill in the blanks with the words given below. Change the form where necessary. internal ditch fabulous renovate plaster amateur blunder instinct 1. The police _blundered___ badly by arresting the wrong man. 2. The house was severely destroyed, so the couple spent thousands of dollars _renovating__it. 3. The pilot was forced to _ditch___ the jet plane in the Gulf because of the hijacking. 4. Unlike the Satellite, it has no __internal__ battery, though it will accept external batteriesmade for the iPad. 5. The basis for traing relies on the dog ' s natural __instinct__ to hunt. 6. The __plaster___ was beginning to fall from the walls. 7. During each war the monopoly capitalists amassed ___fabulous__ wealth. 8. At college he studied English and did _amateur___ boxing B. Fill in the blanks with the expressions given below. Change the form where necessary.down to call in beat up wind up trial and error at all costs Don' t _beat___ yousrelf up__ over something that you have no control over. They decided to _call in__ a doctor because the child was not any better. Ultimately, he said, the issue came ___down to __a dispute between the two countries.I always said he would _ wind up __ in jail. Growth is a process of __ trial and error ___ . You can learn as much from failure as youcan from success. Maybe more. The bridge must be repaired within three days __ at all costs __. 这座房子在地震中损毁

21世纪大学英语应用型综合教程一-1-5章课后题答案

21世纪大学英语应用型综合教程一-1-5章课后题答案

英语课后题复习资料 Unit 1. 一. flexibility duration option definitely actually ignore convince survive 1.Economic crises destroy the capitalist system,and they grow in size and duration. 2.Stability also depends upon the flexibility of the local economy. 3.He was sentenced to do hard labor without the option of a fine. 4.She states her views very definitely. 5.Did he actually say in so many words that there was no hope of a cure? 6.The baby felt ignored by her parents. 7.You need to convince the employers that you can do the job. https://www.doczj.com/doc/b1185806.html,panies will have to do more than this if they are to survive the earthquake.

二. 1.I only cautht a glimpse of him sitting in the car (瞥见他坐在车里),so I can’t tell exactly what he looked like. 2.They are seeking/searching for(寻求新的机会) to reach their final goals. 3.It happened without my being aware of it(在我不知不觉中). 4.We are/get involved in different activities(投入到各项课外活动中) on campus. 5.Some guys always do everything as they like,that ignore the feelings of others(却忽视了别人的感受) . 三. 1.你的老师在评卷的时候会把你生病的情况考虑在内。 Your teacher will take your illness into consideration when marking your exams. 2.因为他总是轻信别人,所以很容易受伤。 He is likely to be hurt because he always believes/trusts others easily. 3.他的肤色跟他是不是好律师无关。

21世纪大学英语应用型综合教程2U5译文

Unit5 Text A 约翰·肯尼迪就职演说 1961年1月20日,星期五 今天我们并不是在庆祝政党的胜利,而是在庆祝自由的胜利;它象征着一个结束,也象征着一个开始;它意味着一种更新,也意味着一种变革。因为我已在你们和上帝面前,宣读了庄重的誓言,与我们的先辈在175年前所拟定的相同。 现在的世界已大不相同了,因为人类的手中掌握着既能消灭人间的各种贫困,又能毁灭所有人类生命的力量。但我们先辈为之奋斗的相同的革命信念,在世界各地仍然有着争论。这个信念就是:人权并非来自国家的慷慨施舍,而是来自上帝的恩赐。 今天,我们不敢忘记我们是第一次革命的继承者。让我们的朋友和敌人都能够听见我此时此地的讲话:(革命的)火炬已经传给了新一代的美国人——他们出生在本世纪,经历过战争的洗礼和严峻而艰苦的和平的考验,为我国悠久的传统感到自豪——他们不愿目睹或容许我国一向坚持,并且今天仍在国内和国际做出承诺的人权渐趋毁灭。 让每个国家都知道,不论是祝福我们的,还是诅咒我们的,为确保自由的存在和胜利,我们将不惜付出任何代价,承受任何沉重负担,应付任何艰难险阻,支持任何朋友,反对任何敌人。 这就是我们的保证——而且还不止于此。 对于那些和我们有着共同文化和精神渊源的昔日盟邦,我们保证会像对待挚友般忠诚。只要团结起来,在许多需要合作的事业中几乎没有什么事是办不到的。我们如果分歧对立,就会一事无成,因为我们在这种情况下,就不敢应付强有力的挑战。 对于那些我们欢迎其加人到自由国家行列中来的新国家,我们将恪守诺言:决不让一种更为严酷的暴政来取代消失的殖民统治,,我们并不总是指望他们会支持我们的观点,但我们始终希望他们能坚决捍卫自身的自由,而且铭记,在历史上,凡是愚蠢地骑在虎背上谋求权力的人,都是以葬身虎口而告终的。 对那些遍布半个地球的身居茅舍和乡村、为摆脱赤贫桎梏而挣扎的人们,我们保证尽最大努力帮助他们自救,不管需要花多长时间——之所以这样做,并不是因为共产党可能在这样做,也不是因为我们需要他们的选票,而是因为这样做是 正确的,,自由社会如果不能帮助众多的穷人,也就无法保护少数的富人。 最后,对于那些与我们敌对的国家,我们提出的不是保证,而是要求:在科学释放出可怕的破坏力量,把全人类卷入到预谋的或意外的自我毁灭的深渊之前,让我们双方重新开始寻求和平。我们不敢以示弱来引诱他们。因为只有当我们毋庸置疑地拥有足够的军备,我们才能毫无疑问地确信永远不会使用这些军备。 所有这些在最初的100天内不会完成,在最初的1000天内也不会完成,在本届政府仔期内也不会完成,甚至我们在这个星球上的有生之年都不会完成。但是让我们开始行动。同胞们,我们的事业最终成败与否,与其说掌握在我的手中,不如说掌握在你们的手中。自从合众国建立以来,每一代美国人都受到过召唤去证明他们对国家的忠诚。曾经响应召唤而献身的美国青年的坟墓遍及全球。 现在,号角已再次吹响——不是召唤我们拿起武器,尽管我们需要武器,不是召唤我们去作战,虽然我们严阵以待——而是召唤我们为迎接黎明而肩负起漫长斗争的重任,年复——年,“从希望中获得欢乐,在苦难中保持坚韧”,去反对人类共同的敌人:专制、贫困、疾病和战争本身。我们能不能结成一个包括东西南北各方的全球大联盟,以反抗这些敌人,确保人类有更为富足的生活呢?你们愿意加入这场历史性的斗争吗? 在悠久的世界历史中,只有少数几代人被赋·子这种使命,能够在面临最大的危机时捍卫自由,、我们在这场奋斗中所奉献的精力、信念和献身精神,将照亮我们的国家和所有

21世纪大学英语第一册答案

21世纪大学实用英语课文翻译及课后答案 Text A 大学——我一生中的转折点 佚名 作为一名一年级新生初进大学时,我害怕自己在学业上搞不好。我害怕独自一人在外,因为我是第 一次远离家人。这里周围都是我不认识的人,而他们也不认识我。我得和他们交朋友,或许还得在我要学的课程上 跟他们在分数上进行竞争。他们比我更聪明吗?我跟得上他们吗?他们会接受我吗? 我很快就认识到,我的生活现在就取决于我自己了。如果我要在学业上取得成功,我就必须制定一份学习计划。我 必须调整花在学习上的时间和花在社交上的时间。我必须决定什么时候上床睡觉,什么时候吃什么,什么时候喝什 么,对什么人表示友好。这些问题我都得自己回答。 开始时,生活有点艰难。我在怎样利用时间上犯了错误。我在交朋友上花的时间太多了。我还在怎样选择大学里的 第一批朋友上犯了一些错误。 然而不久,我就控制住了自己的生活。我做到了按时上课,完成并交上了第一批作业,而且以相当好的成绩通过了 前几次考试。此外,我还交了一些朋友,跟他们在一起我感到很自在,我能把我担心的事告诉他们。我建立了一种 真正属于我自己的常规——一种满足了我的需要的常规。 结果,我开始从一个不同的视角看待我自己了。我开始把自己看作是一个对自己负责也对朋友和家人负责的人。凡 事自己做决定并看到这些决定最终证明是明智的决定,这种感觉很好。我猜想这就是人们所说的“成长”的一部分 吧。 我未来的生活将会怎样呢?在人生的这一阶段,我真的不能确定我的人生之路最终将会走向何方,我真的不知道在 以后的几年中我会做什么。但我知道,我能应对未来,因为我已经成功地跃过了我生命中的这一重要障碍:我已经 完成了从一个依赖家人给予感情支持的人向一个对自己负责的人的过渡。 Practice 5 1. smart 2. succeed 3. shortly 4. managed 5. share 6. fear 7. responsible 8. however 9. enter 10. surrounded 11. handle 12. comfortable Practice 6 1. is up to 2. keep up with 3. under control 4. at first 5. grew up 6. make friends with 7. turned out 8. as a result 9. set up 10. in addition Practice 7 1. how to play the game 2. where I wanted to go 3. whether they would accept him or not 4. what to do and how to do it 5. whom to love and whom not to 6. when he made that decision Practice 8 1. I see Li Ming as my best friend. We share the same hobbies and interests. 2. They looked upon their math teacher as their best teacher. 3. We think of this place as our home. 4. They looked on their college life as their happiest years in their life. Practice 9 1. John is both smart and responsible. He likes to make friends with other people. 2. I have made the decision to compete for the new post. You can compete for it, too. 3. Shortly after the doctor came, he managed to have my father’s illness under control. 4. As freshmen, most of us do not know what college life has in store for us, but we all know that we must do well in our studies. 5. To succeed in college, we must keep up with the other students and set up a routine that meets out needs. 6. Though the assignments last week turned out to be more difficult than I thought, I handed them in

21世纪大学英语读写教程第2册答案

21世纪大学英语读写教程第二册课后答案 第一单元 Text Comprehension II. 1.It was a military campaign in which many soldiers died.The effects on Churchill were()he lost his political position and he was overwhelmed with grief. 2.He felt so inspired to paint that he was distracted from his personal problems. 3.His sister-in-law’s painting inspired him to try his hand at it;his wife rushed out to buy all the materials he would need;and the wife of Sir John Lavery helped him overcome his fear of the blank canvas. 4.The blank whiteness of the canvas made him feel he didn’t know where to begin.This nervousness was not typical of Churchill,who was known publicly as a brave and strong-willed person. 5.Churchill was comparing the canvas to an opponent in a fight,and he could now see that he need not fear his“adversary”. 6.He meant that Churchill would have been a great painter,just as he was a great politician. 7.It was his great comfort when the death of his mother was followed quickly by the death of his daughter. 8.Because the judges suspected that it was not painted by an amateur;they were later surprised and delighted because Churchill was not just a famous political figure but also a talented untrained artist.

21世纪大学英语第一册课文的翻译

21世纪大学英语第一册课文的翻译 Unit1 TextA 优等生的奥秘 埃德温·基斯特莎莉·瓦伦丁·基斯特 现在是剑桥大学理科一年级学生的阿历克斯,曾在曼彻斯特的中学校队里踢足球,还导演过学校的戏剧演出——但他中学毕业时得了五个A。在布里斯托尔大学攻读英语的阿曼达在中学里参加过戏剧演出,还经常打网球,但她仍然得到了四个A。 像他们这样的优等生是如何做到这一点的呢?脑子好使并不是唯一的答案。最有天赋的学生未必在考试中取得最好的成绩。懂得如何充分利用自己的才能要重要得多。 学习刻苦也不能说明全部问题。在这些成绩优秀的学生中,有些人投入的时间其实比那些分数低的同学还少。班级中拔尖学生的成功之道在于他们掌握了一些基本的技巧,这些技巧其他人也能很容易地学到。根据教育专家和学生们自己的叙述,优等生成功的奥秘有以下几点。 1.全神贯注!拔尖生不允许他们的学习时间受到干扰。一旦书本打开,便电话不接,电视不看,报纸不读。“这并不意味着对生活中的重要事情置之不理,”阿曼达解释说,“这意味着要安排好学习时间,以便能全神贯注。要是我牵挂一位患病的朋友,我会在做功课之前先给她打个电话。这样我坐下来学习时,就能真正集中心思了。” 2.在任何地方——或所有的地方学习。亚利桑那州一位教授曾奉命辅导一些成绩欠佳的大学运动员。他记得有一名赛跑运动员每天都要训练。他曾说服他利用这段时间记忆生物学术语。另一名学生则把词汇表贴在盥洗室墙上,每天刷牙时都记住一个生词。 3.安排好资料。汤姆在中学时打过篮球。“我非常忙,不可能为了找一支铅笔或一本不见的笔记本而浪费时间。我把每样东西都放在随后可取的地方,”他说。新墨西哥州学生保罗为每门功课备有两个文件夹,一个放当天布置的作业,另一个放已完成要交的家庭作业。一个抽屉把必需的用品放在一起,这样就可减少因找东西而浪费的时间。 4.安排好时间。当教师布置写一篇长论文时,阿历克斯会花两三天时间去阅读与题目有关的资料并做笔记,然后写出草稿,再写成论文。他会计划好在作业该交的前两三天完成,以便如果花费的时间超过预期,他还能在规定的最后期限前完成。阿曼达严格遵守一张学习时间表,其中包括每两小时休息一次。“在你过度疲劳时还试图学习并不明智,”她指出,“短暂的休息,哪怕只是伸展一下身体,呼吸呼吸新鲜空气,也能带来意想不到的效果。” 5.学会阅读。“我过去常花许多时间阅读一些无关的资料,”阿曼达回忆说,“但后来我习惯了快读;如果一段文章的第一句话无关紧要,我便接着读下一段。”“我修过的最好的一门课便是快速阅读,”一名俄克拉荷马州的学生说,“我不仅提高了每分钟阅读的词数,而且学会了首先看书的目录和插图。这样,当我开始阅读时,我就对阅读材料先有了一些了解,而且能记住更多的内容。”在这些学生看来,有效阅读的奥秘就在于做一个主动的阅读者,即能不断提出一些能使自己充分理解所读材料的问题。 6.做好笔记。“在写任何东西之前,我先把一页纸分成两部分,”阿曼达说,“左边部分约占纸宽的三分之一;右边部分占三分之二。我把笔记写在宽的一边,而把中心思想写在左边。这在复习时非常有用,因为你马上就能看到为什么这些材料是有关的,而不用为信息量太大而发愁。”在下课铃响起之前,多数学生便已经合上书本,收好作业,和朋友们说说话儿,准备离开了。而聪明的学生却利用这几分钟,用两三句话写出这堂课的要点,下一次上课之前,他便可以把这些要点浏览一遍。 7.问问题。“如果你问问题,你立刻就会知道,你是否已经掌握了要点,”阿历克斯说。课堂参与是一种求知欲的显示。例如,在经济学课上,好奇的学生会问,中国经济怎么可能既是社会主义的,又是市场驱动的,从而使他们不仅对于“什么”,而且对于“为什么”和“怎么样”产生兴趣。 8.一起学习。一起学习的价值从加州大学伯克利分校的一项试验中显示了出来。该校的

21世纪大学英语课后习题答案

1.Do you think that making music and art 【compulsory】subjects in schools would reduce some children’s enjoyment of them? 2.Bob’s one of those people who 【relish】 risk and danger he’d be bored in a safe, steady job. 3.Elizabeth is certainly talented enough to succeed in her career; she just doesn’t have enough 【confidence】 in her own abilities. 4.I’m sorry you’re in trouble, but as you made your decision on your own you’ll just have to face the 【consequences】 5.Many educators would be delighted to abolish exams, but they also worry that without them there would be too little 【 incentive】for students to work hard. 6.The teacher accidentally hit the boy’s hand with an eraser and was 【henceforth】known as “Dead-Eye Bean”. 7.If I had money, I’d 【invest】 it all in Internet companies. 8.Psychologists say that our behavior is influenced by many factors too subtle for us to consciously 【perceive】. 9.He’s always had a 【passion】for books. If he could work in a library, it would be a dream come true. 10.Look at those three whispering in the corner again they’re 【scheming】 something, I just don’t know what! 1、汤姆去年转来我校。他全神贯注地听杨小姐上课并很快成了她最喜欢的学生。 Tom ( was ) transferred to our school last year. He hung on Miss Young’s every word in class and soon became the apple of her eye. 2. 看到女儿高中毕业,他感到一阵难以用语言表达的爱和骄傲。

21世纪大学英语教程第一册01 - 网络英语教材

Unit 1 Text A Listening First Listening Before listening to the tape, have a quick look at the following words. grade 分数 concentrate 全神贯注 schedule 时间表 pressure 压力 selectively 有选择地 relevant 有关的 skip over 跳过;略过 approach 方法 Second Listening Listen to the tape again. Then, choose the best answer to each of the following questions. 1. The purpose of this listening passage is ____. A) to describe college life B) to give advice for college success C) to warn against being lazy at college D) to increase college enrollment(入学人数) 2. According to the listening passage, the most important key to getting good grades at college is _____. A) asking questions in class B) doing assignments ahead of time C) working as hard as you can

21世纪大学英语应用型综合教程二

21世纪大学英语应用型综合教程二 1.In the six-and-one half years sincet the federal government beagan certifying food as “organic,”Americans have taken to the idea with considerable enthusiasm.自联邦政府六年半前认证“有机”食品以来,美国人以极大的热情接受了这一概念。 2.To eat well, says Michael Pollanthe,the author of"In Defense of Food,"means avoiding "edible food_like substances"and sticking to real ingredients,increasingly from theplant Kingdom. “吃得好”,《食物无罪》的作者迈克尔波轮说,“意味着避免摄入‘可食用的类似的物质’,并坚持从蔬菜中获取真正营养成分的原则。 3.Neither the enabling legislation nor the regulations address food safety or nutrition. 不论有机食品的立法或是法规都未涉及食品安全或是营养问题. 4.Professor Howard that major corporations now are responsible for at least 25 perceent of all organic manufacturing and marketing. 霍华德教 授估计,大公司现在承担了至少25%的有机食品生产和销售。 5.Popularizing such choices may not be as marketable as creating a logo that says"organic" . 推广这样的做法可能不会像设计一个“有机”的标志那 么有市场. 1. The two former elephant trainers had seen enough abuse and neglect at circuses and zoos to inspire them to create a sanctuary where

21世纪大学英语词汇

Unit 1 subjects in schools would reduce some children's enjoyment of them? risk and danger — he'd be bored in a safe, steady job. 3. Elizabeth is certainly talented enough to succeed in her career; she just doesn't have in her own abilities. 4. I'm sorry you're in trouble, but as you made your decision on your own you'll just have to face 5. Many educators would be delighted to abolish exams, but they also worry that without for students to work hard. known as "dead-Eye Bean." it all in Internet companies. 8. Psychologists say that our behavior is influenced by many factors too subtle for us to 9. He's always had for books. If he could work in a library, it would be a dream come true. 10. Look at those three whispering in the corner again —something, I just don't know what! 参考答案: (1)compulsory (2)relish (3)confidence (4)consequences (5)incentive (6)h enceforth (7)invest (8)perceive (9)passion (10)scheming The suffix -ess can be added to some nouns to refer to female humans and animals.(U1TA) e.g.: prince →princess tiger →tigress A. Add this suffix to the following nouns so that they refer to a female person or animal. Be sure to make any necessary spelling changes.

21世纪大学英语应用型综合教程修订版4课本练习答案

1. The police _blundered___ badly by arresting the wrong man. 2. The house was severely destroyed, so the couple spent thousands of dollars _renovating____ it. 3. The pilot was forced to _ditch___ the jet plane in the Gulf because of the hijacking. 4. Unlike the Satellite, it has no __internal____ battery, though it will accept external batteries made for the iPad. 5. The basis for training relies on the dog’s natural __instinct____ to hunt. 6. The __plaster___ was beginning to fall from the walls. 7. During each war the monopoly capitalists amassed ___fabulous____ wealth. 8. At college he studied English and did _amateur______ boxing Don’t _beat___ yourself up__ over something that you have no control over. They decided to _call in____ a doctor because the child was not any better. Ultimately, he said, the issue came ___down to __a dispute between the two countries. I always said he would _ wind up ____ in jail. Growth is a process of __ trial and error _________. You can learn as much from failure as you can from success. Maybe more. The bridge must be repaired within three days __ at all costs ____. 这座房子在地震中损毁严重,汤姆花了不少钱来修它。 The house was badly damaged in the earthquake, and Tom spent a lot of money renovating it. 正如史蒂夫·乔布斯所指出的,不断摸索一直都是苹果模式的一部分。 As Steve Jobs noted, trial and error has always been part of the Apple

21世纪大学英语教程(第四册)Unit1课文原文

21世纪大学英语读写教程(第四册)Unit1课文原文 《Who Is Great?》 Michal Ryan As a young boy, Albert Einstein did so poorly in school that teachers thought he was slow. The young Napoleon Bonaparte was just one of hundreds of artillery lieutenants in the French Army. And the teenage George Washington, with little formal education, was being trained not as a soldier but as a land surveyor. Despite their unspectacular beginnings, each would go on to carve a place for himself in history. What was it that enabled them to become great? Were they born with something special? Or did their greatness have more to do with timing, devotion and, perhaps, an uncompromising personality? For decades, scientists have been asking such questions. And, in the past few years, they have found evidence to help explain why some people rise above, while others—similarly talented, perhaps—are left behind. Their findings could have implications for us all. Who is great? Defining who is great depends on how one measures success. But there are some criteria. "Someone who has made a lasting contribution to human civilization is great," said Dean Keith Simonton, a professor of psychology at the University of California at Davis and author of the 1994 book Greatness: Who Makes History and Why. But he added a word of caution: "Sometimes great people don't make it into the history books. A lot of women achieved great things or were influential but went unrecognized." In writing his book, Simonton combined historical knowledge about great figures with recent findings in genetics, psychiatry and the social sciences. The great figures he focused on include men and women who have won Nobel Prizes, led great nations or won wars, composed symphonies that have endured for centuries, or revolutionized science, philosophy, politics or the arts. Though he doesn't have a formula to define how or why certain people rise above (too many factors are involved), he has come up with a few common characteristics. A "never surrender" attitude. If great achievers share anything, said Simonton, it is an unrelenting drive to succeed. "There's a tendency to think that they are endowed with something super-normal," he explained. "But what comes out of the research is that there are great people who have no amazing intellectual processes. It's a difference in degree. Greatness is built upon tremendous amounts of study, practice and devotion." He cited Winston Churchill, Britain's prime minister during World War II, as an example of a risk-taker who would never give up. Thrust into office when his country's morale was at its lowest, Churchill rose brilliantly to lead the British people. In a speech following the Allied evacuation at Dunkirk in 1940, he inspired the nation when he said, "We shall not flag or fail. We shall go on to the end...We shall never surrender."

21世纪大学英语应用型综合教程二

1.In the six-and-one half years sincet the federal government beagan certifying food as “organic,”Americans have taken to the idea with considerable enthusiasm.自联邦政府六年半前认证“有机”食品以来,美国人以极大的热情接受了这一概念。 2.To eat well, says Michael Pollanthe,the author of"In Defense of Food,"means avoiding "edible food_like substances"and sticking to real ingredients,increasingly from theplant Kingdom. “吃得好”,《食物无罪》的作者迈克尔波轮说,“意味着避免摄入‘可食用的类似的物质’,并坚持从蔬菜中获取真正营养成分的原则。 3.Neither the enabling legislation nor the regulations address food safety or nutrition. 不论有机食品的立法或是法规都未涉及食品安全或是营养问题. 4.Professor Howard that major corporations now are responsible for at least 25 perceent of all organic manufacturing and marketing. 霍华德教授估计,大公司现在承担了至少25%的有机食品生产和销售。 5.Popularizing such choices may not be as marketable as creating a logo that says"organic" . 推广这样的做法可能不会像设计一个“有机”的标志那么有市场. 1. The two former elephant trainers had seen enough abuse and neglect at circuses and zoos to inspire them to create a sanctuary where elephants could live out their lives. 这两位前驯象员在马戏团和动物园见过太多大象所遭受的虐待和忽视,于是决心为大象建立一座可以颐养天年的憩息所. 2. Soon Hohenwald was rockingas the two greeted each other with ttrumpeting and celebratory bumping.不一会儿,霍恩沃尔德因他们相遇时互致问候的吼声和庆祝性的碰撞而震动起来 3. Shirley and Jenny instantly fell into their old routine,wandering the sanctuary side by side.雪莉和詹妮很快恢复了她们的老习惯:肩并肩地在保护区内闲逛. 4. At one point, the four spent therr hours trumpeting----the vibrations felt by evey living being in the sanctuary.有一次,四头大象持续三小时的鸣吼使保护区内的每个生命都为之震颤。 5. Elephants wear their hearts on their trunks ,as it were,so it was easy to tell that Shirley was not dealing well with Jenny is death----her eyes were half shut and her trunk dragged on the ground. 可以说大象不会隐藏他们的心情,因此和容易看出雪莉无法承受詹妮之死所带来的打击——他的眼睛半闭着,鼻子拖在地上。 1. Sport has the power to change the world,the power to inspire,the power to unite people in away that little else can.体育运动员具有改变世界的力量,其激励人心,团结众人地力量,在某种程度上难有匹敌。 2.During his 27 years in captivity ,mainly on Robben Island,sport helped sustain the spirits of Mandela and his fellow inmates.在他27年的铁窗生活中(主要关押在罗本岛),体育运动支撑着他和难友们的精神。 3.Cities make huge efforts when bidding to stage major sporting events,not just for their commercial worth but for the long---term social benefits

相关主题
文本预览
相关文档 最新文档