1、511. There is an increase in demand for all kinds of consumer goods in every part of our country 我国各地对各种消费品的需求量正大大增加。2. We also realized the growing need and necessity to industrialize certain sectors of the economy我们也认识到越来越需要使某些经济部门工业化。3. They are deeply convinced of the correctness of this policy
2、and firmly determined to pursue it.我 们 深 信 这一 政 策 是 正 确 的 ， 并 有 坚 定 的 决 心 继 续 奉 行 这 一 政 策 。4. We seek a deep-rooted understanding through the multiplication of our economic, cultural, scientific, technical and human ties我们要通过加强我们我们之间的经济、文化、科学、技术和人员等方面的交流来加深彼此的了解。5. Rockets have found applications fo
3、r the exploration of the universe火箭已经用来探索宇宙。6. If we were ignorant of the structure of the atom It would be impossible for usto study nuclear physics 如 果 我 们 不 知 道 原 子 的 结 构 ， 我 们就 不 可 能 研 究 核 子 物 理 学 。7. Electronic control techniques can be designed to take full advantage of quick response inherent
4、 in a gas turbine propulsion system电子控制技术可以充分地利用燃气轮机推进系统固有的反应快的优点。8 His treatise aims at discussing the properties of the newly discovered elements他这篇论文的目的是讨论新发现元素的特征 。9 These pumps are featured by their simple operation, easy maintenance, low power consumption and durable service这些水泵的特点是操作简便，维护容易，耗
5、电量少，经久耐用 。10No one has ever seen a single atom or molecule even with the most powerful microscope即使用倍数最高的显微镜，也没有人看到过一个 单个的原子或分子 。11. Cargo insurance is to protect the trade from losses that many dangers may cause货物保险就是保护贸易商免受许多风险所可能造成的种种损失 。12 English is the language of commerce and second language
6、of many countries which formerly had French or German in that position英语是国际贸易中通用的语言，在许多国家已取代法语或德语成为第二语言 。13. Reading makes a full man, conference a ready man, and writing an exact man阅读使人充实，会话使人敏捷，写作使人精确 。14 The problem of acquiring, tracking and discriminating all the targets needs the full capabil
7、ity of the phased array radar解决捕获、跟踪和识别所有目标的问题，要求发挥相控阵雷达的全部能力 。15The principal function that may be performed by vacuum tubes are rectification, amplification , oscillation , modulation and detection真空管的五大主要功能是：整流、放大、振荡、调制和检波 。16 A key is a piece inserted between a shaft and a hub to prevent relativ
8、e rotation键是一种装在轴和轮毅之间的零件，用以防止相对转动 。17 My work, my family , my friends were more than enough to fill my time我干工作，我做家务，我有朋友来往，这些占用了我全部时间 。 18 The former is more common in adult , the latter in children前者在成年人中较常见，后者在儿童中较常见 。19 Tighter tolerances are possible, but with lower yield and greater cost使公差再小
9、一些是可能的，但这会降低成品率，使成本增加 。 20This experience has been obtained in the realm of far less stringent operational requirements and conditions, particularly in regard to power dissipation这种经验是在极不严格的工作要求和工作环境下取得的，特别在功耗方面更是如此 。21The experience has told us that this kind of material is of good quality 经验告诉我们这种
10、材料的质量很好 。22 The products should be sampled to check their quality before they leave the factory产品在出厂之前应该进行质量抽样检查 。23 They have fitted themselves to the land and the rhythm of its seasons他们已经适应了当地的水土和季节 。24 Physics is the study of heat , sound ,magnetism, electricity, light , the properties of matter
11、 and what it is composed of物理学研究的是热、声、磁、电、光、物质的性质和成份 。25 We have solved the problem and have arrived at the same conclusion as they arrived at我们已解决了这个问题，并得出和他们相同的结论 。26 Edison and his men were very much excited as the first electric light sent out its glow当第一盏灯放光时，爱迪生和他的工作人员很兴奋 。27 It is to increase
12、 the friction that the surfaces of automobile tyros are made with projections 正是为了增加摩擦，才把汽车胎的表面做成有许多突起的小块 。28 When we want to move a body of great mass, we must apply a great force要移动质量大的物体，就要用大力 。29 The high temperature and high rotational speeds at which the gas turbine operates present difficulti
13、es in manufacture燃气轮机工作时的高温与高转速使制造产生了一些困难 。30 Practically all substances expand when heated 52and contract when cooled实际上一切物质都是热胀冷缩的 。31 What I was learning was what Dick Darman later said at Bens goodbye party two years later 我所学到的，是两年以后迪克；达曼在欢送本的告别会上所说的。32 That the British and American governments
14、 remained unperturbed was due in great part to a unique service provided by the British Broadcasting Corporation 当时英美政府之所以能够保持镇定自若，主要是由于英广播公司提供了一项很不寻常的服务。33 Our position has always been that such intervention is totally unjustified 我们的一贯立场为：这种干涉是完全无理的。34 l dont think that he has at all weighed the a
15、dvantages of changing his job against the disadvantages我认为他根本就没有把换工作的利弊加以权衡比较。35 She told me that she would often spend a whole morning working upon a single page她对我说，她往往要花整整一个上午修改一页稿子。36 We knew that we never could find peace as long as we were filled with hatred我们明白了，如果我们心里总是充满了怨恨，就永远也安宁不下来。37I ha
16、d heard you were coming ， but we had no idea it would be this soon我们听说你要来，可是没想到你来得这样快。38 There is no question that the Soviet Union will seek to gain from the instability毫无疑问，苏联将利用不稳定的形势捞到好处。39 The 25 一 year teaching veteran says he was denied a promotion and pay raise last year because he hadnt pub
17、lished a sufficient number of research papers这 位 有 25 年 教 龄 的 老 教 师 说 ， 由 于 他 未 能 发 表 足 够 数 量 的 科 研 论文 ，去 年 没 有 给 他 提 职 、 提 薪 。40 What America has lost is the cocky ， do-anything assurance of the l 950s美国已经失去了 50 年代那种趾高气扬、为所欲为而毫无顾忌的劲头。41 And it is not whether universities have produced valuable rese
18、arch and scholarship问题也不在于大学是否已取得有价值的科研成果和学术成就。42 We should remember that the scientific developments in one field are closely related to the developments of the same time in other fields 我们应当记住，一个领域的科学发展与其他领域在同一时期的发展有着密切的联系。43 1t has been said that in America， people think in terms of decades； in E
19、urope， they think in terms of generations； in China， they think in terms of centuries有人说，在美国，人们以十年为单位来考虑问题在欧洲，人们以一代人为单位来考虑问题而在中国，人们以世纪的眼光来考虑问题。44 Dont take for granted that it will be all plain sailing不要以为一切都会一帆风顺。45 Legend has it that Da Yu was made emperor because of his success in controlling flo
20、ods据传说，大禹是因为治水成功而当上皇帝的。46There has never been a man around me who wrote so many memos在我周围没有一个人像他那样写过那么多的备忘录。47 He wishes to write an article that will attract public attention to the matter他想写一篇文章，来呼吁公众关注此事。48 The sun emit a large amount of invisible rays of a nature similar to radio waves and light
21、，which are electromagnetic waves 太阳发射大量与光和无线电波性质类似的不可见的射线，这些射线就是电磁波。49 The melting point of cast-iron of which the carbon content is higher， is lower如果铸铁的含碳量较高，其熔点就较低。50 This factory produced machine tools to which precision instruments were attached这家工厂生产附有精密仪器的机床。51 Such people as they are will ne
22、ver do that sort of thing像他们这样的人绝不会做那种事情。52Chinas isolation from the West was finally broken in the l9th century，when it was invaded from the sea 中国与西方隔绝的状态终于在十九世纪被打破了，当时中国遭到了从海上来的侵略。53The whole staff consisted of about 250 doctors and nurses ， nearly half of whom were women在全体工作人员中，大约有 250 名是医生和护士，
23、几乎半数是妇女。54 The reason why John failed was his laziness 约 翰之 所 以 失 败 是 由 于 他 懒 惰 。55 1 would like to live in a p1ace where trees are green all the year round我喜欢住在树木四季常青的地方。56 When a giant radiotelescope turns in on the messages sent from a rocket in space，a computer guides the turning of the telescop
24、e in the right direction当一架巨型射电望远镜为了对准宇宙中的火箭所发回的电讯而转动时，计算机便会指引望远镜转到所需要的角度。57 The drill may just miss the oil although it is near： on the other hand, it may strike oil at a fairly high leve1 钻头可能到了离油很近的地方而没有碰到油；另一方面，也可能在相当浅的地方打出油来。58 The oil used for this purpose must be of the correct thickness：if i
25、t is too thin it will not give sufficient lubrication， and if it is too thick it will 53not reach all parts that must be lubricated润滑油的浓度必须适当，太稀则起不到应有的润滑作用，太稠则流不到需要润滑的所有零件。59 We do not read history simply for pleasure， but in order that we may discover the laws of politic growth and change我们读历史不单纯是为
26、了娱乐，而是为了能从中发现政治发展和演变的规律。60 The more corporate staff abroad who can communicate well in English the greater your trading opportunity 驻 外 公 司 职 员 能 用 英 语 熟 练 交 流 的 越 多 ， 做 生 意 的机会 就 越 多 。61 As divorce rates in Asia are on the rise， moral education is getting more and more important在亚洲，由于离婚率不断上升，道德教育越来
27、越重要。62He knew nothing about the blueprint until I told him 这个蓝图在我告诉他之前，他一点也不知道。63This material is no more elastic than that one这种材料并不比那种更有弹性。64Many centuries had passed before man learned to make fire许多世纪以后人类才学会了生火。65. He speaks quick1y， the tone of his voice so arresting that it sobers everyone他快快他
28、讲着，语调十分引人注意，大家也都安静地听。66 Current will not flow continual1y， since the circuit is broken by the insulating materia1 电流不再继续流动，因为电路被绝缘材料隔断了。67 The working plan will be examined by a special committee first，这个工作计划将先由一个特别委员会加以审查。68 1f the pressure in a closed vessel is allowed to rise too high， the vessel
29、 will burst如果听任密封容器中的压力过分升高，容器就会爆炸。69 Most of the questions have been settled satisfactorily； only a few questions of second importance remain to be discussed大部分问题已经圆满解决了，只剩下几个次要问题有待讨论。70 Now so much has been published on all kinds of subjects that even a specialist who devoted all his time to readi
30、ng could not keep up with it现在就各种问题发表了许多材料，即使是专家整天看材料也跟不上。71Therefore，when we are received with so much honor and so much kindness in this great country， I believe that the Peoples Republic of China is doing a very significant thing因此，当我们在这个伟大的国家里受到这样隆重和盛情的接待时，我认为中华人民共和国这样做是有重大意义的。72 Now fresh water
31、 is becoming scarce， but more and more is needed because of the increasing number of people in the world现在淡水越来越不足，而由于世界人口日益增长，淡水的需要量却越来越大。73 It is required that the machine should be maintained at regular intervals机器需要定期维修。74 It should be pointed out that this process is oxidation 应 该 指 出 这 一 过 程 是
32、氧 化 。75 It is generally recognized that the insulation resistance of a cable is inversely proportional to its length普遍认为电缆的绝缘电阻与其长度成反比。76 Such a poor state e could no t possibly have waged against its neighbor without backing from other countries这样贫穷的国家如果没有他国的支持，本来根本不可能对其邻国发动战争。77Nothing in the worl
33、d moves faster than light世界上没有任何东西比光走得快。78 All these metals are not good conductors 所有这些金属不都是良导体。79 Not every minute difference is noted并不是每一点细微差别都注意到了。80There is no material but will deform more or 1ess under the action of force在力的作用下，各种材料或多或少都要变形。81 They worked neither for fame nor for persona1 ga
34、ins 他 们 工 作 一 不 为 名 二 不 为 利 。82 The speed of light is too great to be measured with a simple unit光的速度大大，以致于不能用简单的单位来度量83 Although he explained it to her， she was still completely at sea尽管他给她作了解释，可她仍然迷惑不解。84 We were kept in the dark as to future plans我们对未来的计划一无所知。85 Japan is the last country to inven
35、t radar， but England发明雷达的国家决不是日本，而是英国。86 Much more important than the element itself are some of its compounds比这一元素本身更重要的是它的一些化合物。87 Of considerable interest is that many planets revolve round the sun besides the earth相当有趣的是，除地球外，有许多行星环绕太阳旋转。88 With the development of electrical engineering ， power
36、can be transmitted over a long distance随着电气工程的发展，电力可以远距离输送。89 Surrounding the earth is a layer of air of great thickness环绕地球的是一层厚度很大的空气。90， Between atoms there is enough space for them to move， and move they do原子之间有足够的空间让原子运动，而它们的确在运动。91 Different metals do differ in their conductivity不同的金属一定具有不同的导电
37、性能。92 1t is the power station that supplies the motive power to the whole city供给全城动力的就是发电54站。93 1t was Newton who proved mathematically that the path of a planet must be an ellipse用数学证明行星的轨道必定是个椭圆的，就是牛顿。94 It is only through a great deal of practice that we shall be able to operate this machine too1
38、只有通过大量实践，我们才能操作这台机床。95 The notions of energy thermodynamics emphasizes能的概念为热力学所强调。96 If these stamps were genuine， they would be worth a lot of money这些邮票如果是真的，可就值大钱了。97 If this bridge had been built of armored concrete， its strength would have been much greater这座桥要是当初用钢筋混凝土建造，它的强度就会大大提高。98 If any co
39、untry were in the same position that we are， they would be making the same case with the same force and conviction假如任何国家处在我国所处的地位的话，他们也会跟我们一样坚定不移地持同样的态度。99The nation was on its knees and， were nothing done， would soon be prostrate国家处境不妙，如果不想一点办法，就会完蛋。100 Without her advice， I would have failed 假 如 没
40、有 她 的 劝 告 ， 我 想 必 已 失 败 了 101 I suppose poor Mary is all broken up I would be in her case我想可怜的玛丽已伤心透了如果我处在她的地位，我也会是这样的。102If computers were not used， our research work would be difficult假使没有用计算机，我们的研究工作就困难了103 How could he have operated the machine-tool if he hadnt learned the technique some weeks a
41、go？ 要 是 他 在几 个 星 期 前 没 有 学 习 技 术 ， 他 怎 么 能 操 作 这 台 机 床 呢 ？104 She wished she had stayed at home她但愿那时留在家中就好了。105 I suppose when l was a young man l should have done the same fool thing我想，如果我是一个年轻人，我大概也会干出这样的蠢事来。长句译成汉语:116 (脂 肪 )Doctors a1so say eating 1ess fat will reduce the amount of dangerous chol
42、esterol(胆 固 醇 ) in the blood This cholesterol can stick to the wall of blood passages， blocking the flow of blood， In the arteries that carry blood to the heart muscle， such blockages cause a heart attack 1nstead， eat more foods low in fat This includes low-fat milk and dairy products， lean meats， p
43、oultry without the skin， and fish and shellfish Experts also say cooking foods in olive oil and fish oil will help lower cholestero1 And they say it is best to steam， bake， roast or broil foods， not to fry They also say eating dried peas and beans helps lower the amount of fat in the blood.Health ex
44、perts also say we should eat more fruit and vegetables， and foods high in fibers such as whole grain breads and cereals and brown rice Some fibers help lower levels of dangerous cholesterO1 This would help reduce the danger of heart disease Most experts agree that fiber also can protect against canc
45、er They are not sure how fiber does this Some believe it helps the body to quickly remove fat that may cause cancer to develop医生们还说少吃多脂肪食品将减少血液中有碍人体健康的胆固醇含量，这种胆固醇可以紧贴在血管壁上从而堵塞血流 。在负责把血液送人心脏肌肉的动脉血管中，这种堵塞会导致心脏病 。所以，更好的方法是，吃低脂肪食品，包括低脂牛奶、乳制品、瘦肉、去皮的禽肉、鱼类和水生贝类 。专家们还说用橄榄油和鱼油烹任将有助于降低胆固醇，专家们建议最好采用清蒸、烘或焙的方法烹任
46、食品，而不要用油炸 。他们还认为吃干豌豆和豆类会帮助降低血液中的脂肪含量 。健康专家们认为，我们应该多吃水果和蔬菜以及那些纤维含量高的食品，如粗面面包和各类谷类或糙米 。有些纤维会帮助降低有害的胆固醇，这有助于减少得心脏病的危险 。大多数专家认为纤维也可以预防癌症，他们还不大肯定纤维如何能做到这点，但专家认为，纤维可以帮助身体快速消除可能导致癌症的脂肪 。117 （ 情 绪 与 生 长 发 育 ） Doctors say that emotiona1 problems also can cause growth disorders A child may suddenly stop growi
47、ng because of stress， from being sick or perhaps from reaction to a fami1y problem Such a growth disorder is temporary The child will start growing again as suddenly as he stopped， just as soon as the cause of stress is removedDoctors also note that most growth hormone is produced during sleepThis m
48、eans that a child with serious sleeping problems may not grow normally However， normal growth would return once the sleeping problem is solvedDoctors say that some growth disorders are apparent at birth Others may not be noticed for years until the child falls behind normal growth rates, ofcourse Mo
49、st girls grow faster than boys, and they stop growing sooner But general a child grows five centimeters or more each yearThey say parents should talk to a doctor if a childs yearly growth falls below five centimeters医生说，情绪方面的问题也会妨碍生长发育 。一个孩子可能会由于患病或由于家庭问题的影响，产生压力，从而突然停止生长 。这种生长发育的障碍是暂时性的，一俟紧张的原因消除，这个孩子就会像突然停止
