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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9月辽宁中科院大连化学物理所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】I am sure that you are asking. How does a rocket fly?If you want to know, get a balloon and then blow it up until it is quite big. Do not tie up the neck of the balloon. Let go! The balloon will fly off through the air ver
2、y quickly. The air inside the balloon tries to get out. It rushes out through neck of the ball and this pushes the balloon through the air. It does not need wings like an air plane.A rocket can fly to the moon because _. A、it looks like a balloon B、it is much lighter than an airplane C、it doesnt hav
3、e wings D、it works like an untied balloon【正确答案】D【答案解析】本段都在讲述气球的飞行原理，来解释火箭的工作原理，因此选D。第2题【单选题】Finally, many great players come from the same kind of neighborhood - a poor, crowed area where a boys dream is not to be a doctor, lawyer, or businessman, but to become a rich, famous athlete or entertainer.
4、 For example, Liverpool, which produced the Beetles, had one of the best English soccer（英式足球）teams in recent years. Pele practiced in the street with a ball made of rags. And George Best learned the tricks that made him famous by bouncing the ball off a wall in the slums of Belfast.All great players
5、 have a lot in common, but that doesnt explain why they are great. Hundreds of boys played in those Brazilian streets, but only one became Pele. The greatest players are born with some unique quality that sets them apart from all the others.In the last paragraph the statement “ but only one became P
6、ele” indicates that _. A、Pele is the greatest soccer player. B、the greatest players are born with some unique quality. C、Peles birthplace sets him apart from all the others. D、the success of a soccer player has everything to do with the family back ground.【正确答案】B【答案解析】答案选B。Pele是个伟大的球员，Hundreds of bo
7、ys played in those Brazilian streets, but only one became Pele成百上千的人在巴西的街道上踢球，但是只有一个Pele这样的伟大球员。最后一句话点明主题The greatest players are born with some unique quality that sets them apart from all the others.所以答案是B。第3题【单选题】Parents often decide on the basis of what their children want. Cathy, a mother told
8、us, “My children have packed lunches, because they say they hate school dinners. I make 3 packed lunches every morning, so our kitchen is like a sandwich bar in the morning.” However, another mother, Susan made her choice based on the nutritious value of the food. She said, “My daughter always has s
9、chool dinners. I think she probably gets healthier food by having a cooked lunch at school than she would if I made a few sandwiches.”Which of the following is TRUE according to the passage? A、Katz thinks chips are good for his kids. B、Susans daughter likes eating sandwiches. C、Cathy may have at lea
10、st three children. D、Jamie likes burgers and pizzas.【正确答案】C【答案解析】答案选C。细节查找并简单推断题。从本段，特别是I make 3 packed lunches every morning可知Cathy有三个孩子在上学，有没有不上学的孩子不得而知，故选项C为最佳选项。其他三项均与原文意思不符。第4题【单选题】_ is known to everybody, the moon travels round the earth once every month. A、It B、As C、That D、What【正确答案】B【答案解析】此题
11、的最佳答案是B，as引导的是一个非限制性定语从句，可置于主句前(常译为“正如”)或主句后(常译为“这一点”)，句意为“正如大家所知，月球每月绕地球转一周”。第5题【单选题】She took her in her arms and tried to comfort her. A、prove B、overlook C、eliminate D、ease【正确答案】D【答案解析】comfort 使（痛苦等）缓和；ease 减轻，缓和。第6题【单选题】Water is absent in this area. A、ample B、assiduous C、affluent D、deficient【正确答案
12、】D【答案解析】absent 缺少的；deficient 不足的；有缺陷的；不充分的。第7题【单选题】We have to modify our plan a little bit. A、reduce B、suffer C、adjust D、utilize【正确答案】C【答案解析】modify 修改，修饰；更改；adjust 调整，使适合。第8题【单选题】The government _ on purchase of cars was 80 billion yuan in 2008, and use and maintenance amounts to around 300 billion y
13、uan a year. A、spending B、spent C、cost D、costing【正确答案】A【答案解析】本题考查的是现在分词的用法，spending on purchase of cars在这里是一个现在分词短语。句意：2008年政府花费了800亿用于购车，并且一年的使用和维护费用则高达3000亿。第9题【单选题】Actually industry can vary a good deal over the centuries. A、alter B、improve C、alert D、perish【正确答案】A【答案解析】vary 改变；improve 改善，增进；提高的价值。
14、第10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 an 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 micro
15、scopic defects in anything from aircraft to banknotes D、converting the information into a color picture showing the density of current at 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11题【单选题】A pretext was the last thing that Hastings was likely to want. A、最后，哈丁斯好像需要一个借口。 B、哈丁斯可能不需要任何借口。 C、
