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1、全文可编辑word文档 页眉与背景水印可删除【考研英语】2021年4月北京交通大学研究生招生考试英语练习题100道（附答案解析）第1题【单选题】The _ is expected to be passed in the next parliament. A、legislation B、tolerance C、graduate D、instrument【正确答案】A【答案解析】instrument 仪器；工具；乐器；手段；器械。第2题【单选题】For one thing, physics is a much different field today. In Einsteins day, the
2、re were only a few thousand physicists worldwide, and the theoreticians who could intellectually rival Einstein probably would fit into a streetcar with seats to spare.Education is different, too. One crucial aspect of Einsteins training that is overlooked is the years of philosophy he read as a tee
3、nagerKant, Schopenhauer and Spinoza, among others. It taught him how to think independently and abstractly about space and time, and it wasnt long before he became a philosopher himself.What was critical to Einsteins success? A、His talent as an accomplished musician. B、His independent and abstract t
4、hinking. C、His untiring effort to fulfill his potential. D、His solid foundation in math theory.【正确答案】B【答案解析】答案选 B。推理判断题。根据题干中的关键词critical，success定位到文章第2段第2、3句。根据文章内容可知，他青年时期用了几年时间来研习康德、叔本华和斯宾诺森等人的哲学理论。这些理论教会他如何对时空进行独立而抽象的思考，这对他的成功非常重要，故选B。文中提到说爱因斯坦还是位杰出的音乐家，他会在狂怒地演奏他的小提琴时彻底地全面考虑棘手的物理问题，但这并不是他成功的关键因素
5、，故排除A；文中未提及C他为实现潜能进行的不知疲倦的努力；文中只是讲了现在数学到了极限以及音乐与数学的相互影响，并没有提到爱因斯坦在这方面的坚实基础，故也排除D。第3题【单选题】_ me to give you some advice. A、Purchase B、Essence C、Permit D、Bound【正确答案】C【答案解析】Permit 许可；允许。第4题【单选题】This cloth wont shrink when its washed. A、benefit B、smaller C、vague D、convince【正确答案】B【答案解析】shrink 收缩；畏缩；smalle
6、r 较小，更小的。第5题【单选题】Drug use accounts for approximately three-quarters of all reported cases of HIV in the country. A、possibly B、roughly C、generally D、specificly【正确答案】B【答案解析】approximately 大致地，近似地。roughly大体上，大致上。参考译文：在那个国家，在所报道的所有艾滋病病例中，吸毒者约占75%。第6题【单选题】A powerful indictment of Americas disregard of eco
7、logy, Silent Spring was aimed chiefly at the wholesale use of chemical pesticides, especially DDT. A、一个对美国忽视生态的有力控诉，沉默的春天主要是针对大规模使用农药，特别是滴滴涕。 B、沉默的春天有力地控诉了美国忽视生态，它主要是针对大规模使用农药特别是滴滴涕。 C、有力地控诉了美国对生态的忽视，沉默的春天主要是针对大规模使用农药，特别是滴滴涕。 D、沉默的春天对美国忽视生态，主要是针对大规模使用农药，特别是滴滴涕的使用，进行了有力的控诉。【正确答案】B【答案解析】答案选B。本句的主语是Sil
8、ent Spring，注意“A powerful indictment of”的翻译。第7题【单选题】This cloth wont shrink when its washed. A、benefit B、smaller C、vague D、convince【正确答案】B【答案解析】shrink 收缩；畏缩；smaller 较小，更小的。第8题【单选题】But even if every large city purified and reused its water, we still would not have enough. Where could we turn next? To t
9、he oceans! All wed have to do to make use of the vast amount of sea-water is - remove the salt. This salt-removing process is already in use in many parts of the world.According to the passage, sea-water can be turned into fresh water by_. A、heating it up B、treating it with chemicals C、taking salt o
10、ut of it D、drying it up【正确答案】C【答案解析】海水之所以不能饮用就是因为它是咸的。答题依据是本段的remove the salt即take salt out。第9题【单选题】Congress assembles together in January. A、range B、restrict C、gather D、restore【正确答案】C【答案解析】assembles 集合，聚集；装配；收集；gather 收集；收割；使聚集；使皱起。第10题Directions:You are going to read a list of headings and a text
11、about worlds first DNA computers. Choose the most suitable heading from the list A-F for each numbered paragraph (1-5). The first and last paragraphs of the text are not numbered. There is one extra heading which you do not need to use. Mark your answers on ANSWER SHEET 1. （10 points）AThe ability of
12、 DNA to store informationBExamples for the future use of DNA computersCThe advantage of DNA computersDThe research of DNA computers is at the beginning stageEThe working principle of the microscopic computersFThe evaluation made by the researching team on DNA computersIsraeli scientists have built a
13、 DNA computer so tiny that a trillion of them could fit in a test tube and perform a billion operations per second with 99.8 percent accuracy.1) _It is the first programmable autonomous computing machine in which the input, output, software and hardware are all made of biomolecules. Instead of using
14、 fires and formulas to solve a problem, the microscopic computers input, output and software are made up of DNA moleculeswhich store and process encoded information in living organisms.2) _Scientists see such DNA computers as future competitors to their more conventional cousins because miniaturizat
15、ion is reaching its limits and DNA has the potential to be much faster than conventional computers. “We have built a nanoscale computer made of biomolecules that is so small you cannot run them one at a time. When a trillion computers run together they are capable of performing a billion operations, said Ehud Shapiro, Professor of the Weitzman Institute in Israel.3) _Although too simple to have any immediate applications it could for
