三年高考两年模拟高考英语专题汇编 专题十四 阅读七选五(含解析)
35页1、专题十四 阅读七选五A组20162014年各省市高考题(改编)Passage 1(2016全国)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Secret codes (密码)keep messages private.Banks, companies, and government agencies use secret codes in doing business, especially when information is sent by computer.People have used secret codes for thousands of years._1_ Code breaking never lags(落后) far behind code making.The science of creating and reading coded messages is called cryptography.There are three main types of cryptography._2_ For example, the
2、 first letters of “My elephant eats too many eels” spell out the hidden message “Meet me.”_3_You might represent each letter with a number, for example. Lets number the letters of the alphabet, in order, from 1 to 26.If we substitute a number for each letter, the message “Meet me” would read “135520135.”A code uses symbols to replace words, phrases, or sentences.To read the message of a real code, you must have a code book._4_ For example, “bridge” might stand for “meet” and “out” might stand fo
3、r “me.” The message “bridge out” would actually mean “Meet me.” _5_However, it is also hard to keep a code book secret for long.So codes must be changed frequently.AIt is very hard to break a code without the code book.BIn any language, some letters are used more than others.COnly people who know the keyword can read the message.DAs long as there have been codes, people have tried to break them.EYou can hide a message by having the first letters of each word spell it out.FWith a code book, you m
4、ight write down words that would stand for other words.GAnother way to hide a message is to use symbols to stand for specific letters of the alphabet.Passage 2(2016全国)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。A garden thats just right for youHave you ever visited a garden that seemed just right for you, where the atmosphere of the garden appeared to total more than the sum(总和) of its parts?_1_But it doesnt happen by accident.It starts with looking inside yourself and understanding who you are wit
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