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1、贵阳市 2015 高考英语（四月）阅读理解、完形填空课外练（4）答案阅读理解阅读理解【2014江西省九江市高三年级模拟考试】Many people think of the brain as a mystery.They dont know much about intelligence and how it works.When they do think about what intelligence is，many people believe that a person is born smart，average，or dumband stays that way in the who
2、le life.But new research shows that the brain is more like a muscleit changes and gets stronger when you use it.And scientists have been able to show just how the brain grows and gets stronger when you learn.Everyone knows that when you lift weights，your muscles get bigger and you get stronger.A per
3、son who cant lift 20 pounds when he/she starts exercising can get strong enough to lift 100 pounds after working out for a long time.Thats because the muscles become larger and stronger with exercise.And when you stop exercising，the muscles shrink and you get weaker.Thats why people say “Use it or l
4、ose it！” But most people dont know that when they practice and learn new things，parts of their brain change and get larger a lot like muscles do when they exercise.Inside the cortex (皮层) of the brain are billions of tiny nerve cells，called neurons.The nerve cells have branches connecting them to oth
5、er cells in a complicated network.Communication between these brain cells is what allows us to think and solve problems.When you learn new things，these tiny connections in the brain actually multiply and get stronger.The more you challenge your mind to learn，the more your brain cells grow.Then，thing
6、s that you once found very hard or even impossible to dolike speaking a foreign language or doing algebra (代数)seem to become easy after learning them for a period of time.The result is a stronger，smarter brain.Scientists started thinking that the human brain could develop and change when they studie
7、d animals brains.They found out that animals that lived in a challenging environment were more “perspicacious”they were better at solving problems and learning new things.1. According to the first paragraph，_.Athe function of our brain is like that of the muscleBuntil now its impossible to explain t
8、he brains mysteryCmany people believe ones intelligence is naturally determinedDones brain grows stronger as the age increases2Training muscles is compared to_.Ausing the brainBconnecting things in your brainClifting weightsDdoing research about the brain3What is Paragraph 3 mainly about?AThe comple
9、x structure of the brain.BHow changes in the muscles affect the brain.CThe importance of the brain.DHow the brain becomes stronger by learning new things.4What does the underlined word “perspicacious” in the last paragraph probably mean?AStrong. BSmart.CPopular. DActive.5The following paragraph will
10、 most probably talk about_.Athe differences between animals brains and humans brainsBthe relation between human brains and musclesCscientists findings about animals brainsDhow to make your brain smarter through self-development语篇解读 科学研究发现，经常学习能促进大脑的发育，正如经常锻炼能使肌肉更强健一样。1解析： 考查推理判断。根据第一段中的“many people
11、believe that a person is born smart，average，or dumband stays that way in the whole life.”可知 C 项正确。答案： C2解析： 考查细节理解。根据第一段中的“But new research shows that the brain is more like a muscleit changes and gets stronger when you use it.”可知答案。答案： A3解析： 考查段落大意。本段详细描述了大脑如何通过练习和学习新事物而发生变化，从而变得更敏捷。答案： D4解析： 考查词义猜
12、测。根据破折号后面的“they were better at sloving problems and learning new things”可知，该词应为“敏锐的”之意。答案： B5解析： 考查推理判断。最后一段提出科学家是从研究动物的大脑得出的结论，因此下一段最可能进一步描述这些研究成果。答案： C.阅读理解。A weather map is an important tool for geographers. A succession of three or four maps presents continuous picture of weather changes. Weathe
13、r forecasters are able to determine the speed of air masses and fronts (气锋) to determine whether an individual pressure area is deepening or becoming shallow and whether a front is increasing or decreasing in intensity (强烈). They are also able to determine whether an air mass is retaining its origin
14、al characteristics or taking on those of the surface over which it is moving. Thus, a most significant function of the map is to reveal a summary picture of conditions in the atmosphere at a given time.All students of geography should be able to interpret a weather map accurately. Weather maps conta
15、in an enormous amount of information about weather conditions existing at the time of observation over a large geographical area. They reveal in a few minutes what otherwise would take hours to describe. The United States Weather Bureau issues information about approaching storms, floods, frosts and
16、 all climatic conditions in general. Twice a month it issues a 30-day “outlook” which is a rough guide to weather conditions likely to occur over broad areas of the United States. These 30-day outlooks are based upon an analysis of the upper air levels which often set the stage for development of air masses, fronts and storms.Considerable effort is being exerted today to achieve more accurate weather predictions, with iden
