1、In order to learn to be one's true self,it is necessary to obtain a wide and extensive knowledge of what has been said and done in the world.
要想了解真实的自我，必须深入、广泛的探索前人所说过的话，所做过的事情。
2、This element of the unknown has for centuries added greatly to the fear and horror surrounding earthquakes,but in recent times there have been indications that earthquake prediction may be possible.
数百年来，地震的不可知性给地震蒙上了极大的恐惧和惊慌，然而近几次的地震发生之前已经显露了一些迹象。
3、The accuracy of scientific observations and calculations in always at the mercy of the scientist's timekeeping methods.
科学观察和计算的精确度常取决于科学家的计时方法。
4、In frederick,students' parents are buying classroom supplies amd offering to pay for groceries and utilities to keep first-year teachers and principals in their jobs.
在frederick地区，学生家长们出资购买教室用品，并主动为学校第一年的教师和校长们支付所需的各类杂货及水电费，以此来留住他们继续工作下去。
5、"Rumors about what's happening to the district are moving at lighting speed."said a student."We want to know the truth,and spread that around instead."
一位学生说：“关于这个地区的流言正在以闪电般的速度传播着，我们想知道真相，并且传播真相。”
6、Yet the waves,no matter how big or how violent,affect only the surface of the sea.
然而不管水浪多大、多猛烈，只对海面造成影响。
7、In the U.S.,the figure is much higher than in Great Britain,and people there spend over 10 percent of their income on the installment plan.
在美国，这个数字要比英国高得多，美国人将他们收入的百分之十花费在分期付款上。
8、The idea of a fish being able to generate electricity strong enough to light lamp bulbs-or even to run a small electric motor-is almost unbelievable,but several kinds of fish are able to do this.
鱼产生的电流能点亮电灯——或者甚至能带动小型电动马达——是多么不可思议，但是有些鱼确实可以。
9、Engineering students are supposed to be examples of practicality and rationality,but when it comes to my college education Iam an idealist and a fool.
工科的学生往往被看成是实际与理性的榜样，但是就我的大学教育而言，我是一个理想主义者和傻瓜。
10、The reality that has blocked my path to become the typical successful student is that engineering and the liberal arts simply don't mix as easily as I assumed in high school.
摆在我们面前阻碍我成为一名成功学生的现实就在于工科与文科并不像我在高中时所认为的那样，两者并不是简单的融合在一起。
11、When the light reaches the other end,it is first changed into electrical signals,which are in trun coverted sound messages.
光到达另一端后，首先转化成电流信号，随后再转变成声音信息。
12、In most cases these individuals are dreaming of wealth and fame,not the long hours alone at a typewriter.
多数情况下，这些人正梦想着的是财富和名望，而不是在打字机前长时间的工作。
13、Because we live in a democratic nation,whose citizens make the policties for the nation,large numbers of us must be educated to understand,to support ,and when necessary,to judbe the work of experts.
因为我们生活在一个民主国家，由公民制定国家的政策，我们中的许多人必须接受教育，学会理解、支持，必要的时候还要判断专家的工作。
14、There are many communities and populations which have lost precious records due to tragic events such as the fire in the Irish courts during Civil War in 1921 or American slaves for whom many records were never kept in the first place.
在很多地区，相当多的人曾因为一些悲剧事件而失去他们珍贵的资料，如1921年的内战期间爱尔兰法庭失为这样的悲剧，又如美国的奴隶，对于他们平说最初就有很多珍贵资料未能保留下来。
15、Theoretically,any individual will someday be able to trace his or her family origins through this database.
理论上，有一天任何人都能通过这个资料库查出他或她家族的起源。
16、On the contrary ,to avoid problems in aerial navigation ,the wheeless vehicle probably will travel no more than three inches above road surface.
相反，为了避免天线导航，没有轮子的汽车将在离地面不超过3英寸的距离行驶。
17、I appeal to you to clarify this issue so that the poor elderly of our city may become aware of the housing benefits for which they qualify.
我请求你阐明这个问题，这样我们这个城市里贫穷的老人就可以了解到他们有资格享有住房的津贴。
18、It was believed that a person was sick because he had been attacked by evil spirits.
人们认为生病是遭受恶魔的攻击。
19、We are concerned to develop the ability of all our pupils into the full,not just their academic ability.
我们关心的是全面充分地发展我们每一位学生的能力，而不仅是他们的学习能力。
20、We expect our pupils to do their best,not their least,and we give them every encouragement to attain this goal.
我们期望学生们能够不遗余力尽其所能，为达到此目标我们也将给予他们充分的鼓励。
21、The wheel is the simplest yet perhaps the most remarkable of all inventions,because there are no wheels in nature--no living thing was ever created with wheels.
轮子是最简单的发明，或许也是最伟大的发明，因为自然界原本没有轮子——没有任何生物是轮子创造的。
22、Girls exceed boys in language abilities,and this early linguistic bias often prevails throughout life.
女孩在语言能力上胜过男孩，而且这种早期就显露的语言方面的偏向常常影响终生。
23、Grandma Moses painted a little as a child and made embroidery pictures as a hobby ,but only switched to oils in old age because her hands had become too stiff to sew and she wanted to keep busy and pass the time.
摩西奶奶小的时候画过一些画，之后绘制剌绣图案成了她的爱好。老了以后，她的手指变得僵硬不能缝纫，而她还希望保持忙碌打发时间，就转向油画。
24、The project provided opportunities for researchers from India and abroad to study tigers in the reserves and gather proviously unavailable information abou their habits.
这个方案给印度和国外的研究者提供了机会，使他们可以在保护区内研究老虎，收集以前难以获得的有关老虎习性的资料。
25、Land problem is becoming serious and many rural people feel bitter about the fact that some rich forests are reserved for tigers.
土地问题变得越来越严重了，令很多农民感到痛心的是，一一些肥沃的森林地区被圈起来，建成了老虎的保护区。
26、In learning a foreign language ,the best begining is with the non-verbal linguistic elements of the language ,its gestures ,its body language.
学习语言最好从语言的非语言方面、手势和身势入门。
27、Originally the White House was gray and was called the Presidential Plalace.
最初白宫是灰色的，并且被叫做总统府。
28、This new activity involved all the original hunting sequences but the aim of the operation was no longer to avoid atarvation.
这种新的活动包括原先狩猎的一系列行为，而目的已不再是避免饥饿。
29、Some scientists say that 16 of these mirrors ,each about half a mile arross ,could aim their reflected light at one area on the earth that was about 200 miles by 300 miles.
一些科学家认为可用16面直径为半英里的镜子将反射光照到地球面积约为60000平方英里的区域。
30、What no one knows yet is what effect this artificial daytime would have on plants ,animalls ,and humans.
目前，人们还不知道的是这种人造的白天对植物、动物和人会有什么影响。
一级建造师二级建造师消防工程师造价工程师土建职称公路检测工程师建筑八大员注册建筑师二级造价师监理工程师咨询工程师房地产估价师 城乡规划师结构工程师岩土工程师安全工程师设备监理师环境影响评价土地登记代理公路造价师公路监理师化工工程师暖通工程师给排水工程师计量工程师