大学英语四六级考试及学习方法(三)

1、大学英语四六级考试及学习方法（三）2009年6月英语四级阅读第二篇Passage TwoScientists have devised a way to determine roughly where a person has lived using a strand of hair , a technique that could help track the movements of criminal suspects or unidentified murder victims . Devised: 想出 ，计划，发明 murder :谋杀Determine:决定，确定 victims:

2、受害人Roughly:粗略的，大体上的 a strand of hair:一缕头发 technique:技术 track:追踪 criminal:犯罪的;可疑的 unidentified:未确认的suspects:猜想The method relies on measuring how chemical variations in drinking water show up in peoples hair. Measure:测量 chemical variations：化学变化Show up:显眼，看的清楚“Youre what you eat and drink, and thats re

3、corded in your hair,” said Thure Cerling, a geologist at the University of Utah. Recorded:已记录的 geologist：地质学者While U.S diet is relatively identical, water supplies vary. The differences result from weather patterns. The chemical composition of rainfall changes slightly as raid clouds move.Relatively

4、：相关的 identical：同样的 patterns：方式，形式 Composition：成分 rainfall：降雨量 slightly：轻微的 Raid:突然袭击Most hydrogen and oxygen atoms in water are stable , but traces of both elements are also present as heavier isotopes (同位素) . The heaviest raid falls first .As a result, storms that form over the Pacific deliver heav

5、ier water to California than to Utah.Stable：稳定的 elements：原理，基础 deliver：递送California：加州 Utah：犹他州Similar patterns exist throughout the U.S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline. Each inch of hair corr

6、esponds to about two months. Throughout：遍及地区 proportion：均衡，部分timeline.：线条 corresponds to：相当于Cerlings team collected tap water samples from 600 cities and constructed a mop of the regional differences. They checked the accuracy of the map by testing 200 hair samples collected from 65 barber shops.Tap

7、：龙头 samples：样本 regional：地区的，区域的Accuracy：精确的 barber：理发师They were able to accurately place the hair samples in broad regions roughly corresponding to the movement of raid systems.“Its not good for pinpointing (精确定位),” Cerling said . “Its good for eliminating many possibilities.”Eliminate:排除Todd Park,

8、a local detective, said the method has helped him learn more about an unidentified woman whose skeleton was found near Great Salt Lake.Detective：侦探 skeleton：骨骼The woman was 5 feet tall. Police recovered 26 bones, a T-shirt and several strands of hair.Recover：恢复When Park heard about the research, he

9、gave the hair samples to the researchers. Chemical testing showed that over the two years before her death, she moved about every two months.She stayed in the Northwest, although the test could not be more specific than somewhere between eastern Oregon and western Wyoming.Specific：明确的，详细地“Its still

10、a substantial area,” Park said “But it narrows it way down for me.”Substantial:坚固的，真实的附录（三）部分词组，打不动了，你慢慢总结吧，该词组出处：俞敏洪四级联想记忆单词书。regardless of 不顾，不管in the region 在左右，接近relate to 有关relate with 联系relative to 有关，关于rely on/upon 依靠，依赖；指望remark on/upon 议论，评论，谈论in excess of 超过to excess 过度，过分，过量exclusive of 除

11、外，不计算在内exert oneself 努力，尽力exert all ones strength 尽某人全力at the expense of 由付费；以为代价beyond/past expression 无法表达或形容find expression in 在中表现出来to a certain extent 在一定程度上lack faith in sth 对某事缺乏信心take a fancy to 喜欢上；爱上fancy doing sth 喜欢做某事be fascinated by 被迷住in favour of 支持，赞同win ones favour 获得某人的好感show favo

12、ur towards sb 偏袒某人figure out 想出，理解；明白in the flesh 亲自，本人focus on 聚集，集中，聚焦in force 有效，生效，在实施中force sb. to do sth. 强迫某人做某事and so forth 等等gang up 聚集，结成一伙gang up on sb. 合伙对付某人given to 倾向，惯于be given to doing sth. 喜欢做某事at/in a pinch 必要时，在紧急关头feel the pinch 感到手头拮据takewith a pinch of salt 对有所保留；对半信半疑pine awa

13、y (因悲哀等)消瘦，衰弱，憔悴pine for 渴望，思念pitch in 协力，作出贡献plug in 给接通电源，连接take the plunge (经过踌躇)决定冒险一试plunge into 纵身跳入plunge down 冲下poles apart 大相径庭polish off （飞快的）完成；polish up 润色portion out 分配，把分给pour out 倾诉；倾倒pour into 倒入pour down 倾盆而下without prejudice (to) (对)没有不利，无损（于）in ones presence 当着某人的面，有某人在场presence o

14、f mind 镇定自若prevail over 获胜，占优势prevail on/upon 说服，劝说，诱使previous to 在之前prior to 在之前in private 私下地，秘密地the profession 同业，同行profit by/from 得益于in proportion to 与成比例，与相称proportional to 比例的，成比例的propose to do sth./propose doing sth. 打算做某事propose sb. for 为推荐某人prospect for 勘探，勘察provide sb. with sth. 提供给某人某物 puzzle out 苦苦思索而弄清楚（或解决）puzzle over 苦思jump the/a queue 插队form a queue 排队queue up for 排队等待rail at/against 咒骂，严厉责备，抱怨range over 涉及，论及out of/beyond range 在射程外at any rate 无论如何，至少at