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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5月北京外交学院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】Good news for chocoholics: the treat preferred by millions all over the world is good for you, according to American researchers at the University of California. Chocolate contains substances called flavonoids that can help main
2、tain a healthy heart and good circulation. The researchers have discovered that cocoa acts like aspirin and that eating a bar of chocolate has also been shown to release endorphins in the body: these chemicals help to reduce pain and stress and make you feel happy.Why is chocolate good for heart and
3、 circulation? A、It reduces pain and stress. B、It contains substances called flavonoids. C、It releases endorphins in human body. D、It acts like aspirin to protect heart.【正确答案】B【答案解析】答案选B。因果关系词=信号词。凡是注释中文的地方可能是答案区域。第2题【单选题】The shy girl felt _ and uncomfortable when she could not answer her teachers qu
4、estions. A、amazed B、awkward C、curious D、amused【正确答案】B【答案解析】amazed吃惊的。awkward狼狈的/局促的。curious好奇的。amused滑稽的。第3题【单选题】People suspected that “Lucky”, as he was called by friends, wanted to kill his wife he no longer lived with. They say that Lucan entered his old house and in the dark, killed the nanny by
5、 mistake. His estranged wife heard noises, came downstairs and was also attacked, but managed to escape. Seven months after the murder, a jury concluded that Lucan had killed the nanny.It is thought that Lucan killed the nanny because_. A、she was looking after the children B、she was a friend of Luca
6、ns C、it was dark and he thought she was Lady Lucan D、Loard Lucan thought the nanny stole his car【正确答案】C【答案解析】答案选C。因果关系题。对照本段People suspected that“Lucky”，as he was called by friends, wanted to kill his wife he no longer lived with. They say that Lucan entered his old house and in the dark，killed the
7、nanny by mistake.本来是要杀他的妻子，可是因为天太黑，所以错杀了保姆。第4题【单选题】Water is absent in this area. A、ample B、assiduous C、affluent D、deficient【正确答案】D【答案解析】absent 缺少的；deficient 不足的；有缺陷的；不充分的。第5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
8、；收割；使聚集；使皱起。第6题【单选题】Secondary school had its own share of challenges. I was a tall kid and wasnt good at any sport, except looking. I loved basketball and tennis. The first day I held a racket, and I was disgraced by my opponent. He won six straight sets without sweat and there I was, sweating badly
9、 like Id run a marathon, whereas I hadnt even made a single point.Stanley was disgraced by his classmate in a _. A、basketball game B、tennis game C、marathon game D、football game【正确答案】B【答案解析】答案选B。词义理解和事实细节题。通过关键词disgrace，考生可迅速定位至本段，再通过本段的关键词racket，可以判定正确答案是网球比赛。第7题【单选题】方程的根的个数为（ ） A、3 B、2 C、1 D、0【正确答案
10、】C【答案解析】第8题【单选题】“People disappear in that river every year,” one of the policemen said to me that afternoon, half in dismay, half in frustration. A、“年年都有人消失在这条河里，”当天下午警察中的一个人半是沮丧，半是失意地对我说。 B、“这条河里年年都要死人，”当天下午一个警察半是沮丧，半是失意地对我说。 C、“这条河里年年都有人消失，”当天下午警察中的一个以一种无可奈何的神气沮丧地对我说。 D、“这条河里年年都要死人，”当天下午一个警察以一种无可奈
11、何的神气沮丧地对我说。【正确答案】D【答案解析】答案选D。本题考查的知识点为成语。英语和汉语都有许多成语。汉语的成语大多由四个字组成。英译汉时，适当地使用成语，译文显得简洁、生动，可以增加文采。第9题【单选题】_ popular belief, the ostrich does not hide its head in sand when frightened; it runs away. A、As to B、Opposite to C、Due to D、Contrary to【正确答案】D【答案解析】As to关于。Opposite to对立/对面（方位/身份/性别）。Due to因为。Co
12、ntrary to违反/反对（观点/态度）。第10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11题【单选题】Gang Xiao and Ben Schrag at Brown University, visualize the current by measuring subtle（细微的） changes in the magnetic field of a
13、n object and _. A、to shrink it to the size of a desktop computer B、to make it capable of measuring very weak changes in magnetic fields C、as well as revealing microscopic defects in anything from aircraft to banknotes D、converting the information into a color picture showing the density of current a
14、t each point【正确答案】D【答案解析】答案选D。空格前的by在句中引导两个在句法结构上并列的分词短语：一个是measuring subtle （细微的） changes in the magnetic field of an object；另一个就是converting the information into，即：通过测量一个物体的磁场内的细微变化和把信息转化成显示每一点电流强度的彩色图片而使电流显现。第12题【单选题】The atomic clock is _ to within 3 seconds in a century. A、exact B、clear C、accurat
15、e D、explicit【正确答案】C【答案解析】句意：原子钟在一百年内可精确至三秒以内。accurate 意为“准确的，精确的”，指由于细心而精确地使某事符合事实和真理；exact意为“精确的；恰好的；严密的”，指不多不少，确切地与事实或标准相符；clear意为“清晰的；清楚的；明白的”；explicit 意为“详述的；明确的”。第13题【单选题】A great number of houses would have to be removed to make way for the new amusement park. A、take the place of B、give space for C、build up D、work out【正确答案】B【答案解析】make way for 让路，让地给.。give space for
