6.Passwords consist of a unique sequence(一連串)of characters-letters,numbers,and symbols-required to access personal banking information,secure buildings,computer networks,certain Web sites and more.Each password is different,and only the correct one allows the right of entry.
Before you can choose a password,however,you must know the types of passwords required.First find out if all letters must be lowercase(小寫字母).Should the password consist of letters or numbers only,or are special characters permissible?What is the minimum and maximum length allowed?Your password should be something you can easily remember but something impossible for anyone else to decode or guess.Poor choices include names of people,family or fictional characters,common sequences such as QWERTY on the keyboard or 789456123on the numeric keypad.Other inappropriate choices include your telephone number or birth date,your middle name,your parent's name,your street name,or any other familiar name or number.
The best way to choose a password that is hard to decode,yet easy to remember,is to select something memorable from your past.It could be the name of your grandparents'dog when you were 5 (tippy5).You could form a string of characters using the first letter of each word in a phrase or saying that makes sense to you.For instance,your mother might say,"The sun is shining-So am I."A password from this saying might be (TsisSaI) or (Tsis-SaI).Once you have created a good password,keep it safe.Do not store it in a computer or leave a handwritten copy where others might see it.You could put the number in your address book in a masked form.It is not likely that anyone who found Ted Williams,35N.Sheldon Ave.in your address book would know it contains your password (TW35NSA).
It is best to have different passwords for each system.Since access to sensitive information could open the door for criminals,it is wise to change your passwords frequently.Some authorities suggest changing passwords every three months.

72.Suppose Michael Greenberg,who was born on December 31,1978,is a workaholic.His mother Catherine Evans often reminds him to balance work and relaxation by saying"All work and no play makes Jack a dull boy."Then which of the following could possibly be the best choice of a password for Michael Greenberg?A
A.a(chǎn)wanpmjadb
B.12311978
C.michaelgreenberg
D.catherineevans
73.How is the third paragraph mainly developed?B
A.By making comparisons.
B.By giving examples.
C.By listing points.
D.By making classifications.
74.The example of Ted Williams,35N.Sheldon Ave.is used to showC.
A.a(chǎn) good password
B.a(chǎn) secret address
C.a(chǎn) masked form
D.a(chǎn) handwritten copy
75.According to the last paragraph,what is especially important for a password?D
A.Access.
B.A certain system.
C.Authorities'advice.
D.Safety.

分析 密碼由一系列獨特的字母、數(shù)字和符號組成,設(shè)置密碼時要先了解所需密碼的類型.選擇密碼的最好方式是很難解碼,但很容易記住,文中舉例說明哪些密碼的設(shè)置是可取的,哪些是不好的做法.

解答 72.A 細節(jié)理解題.根據(jù)第三段的"You could form a string of characters using the first letter of each word in a phrase or saying that makes sense to you."和所舉的例子可知,"All work and no play makes Jack a dull boy."的首字母組成awanpmjadb,故選A.
73.B 寫作手法題.根據(jù)第三段的內(nèi)容和關(guān)鍵詞"For instance"可知,本段是通過舉例子來組織內(nèi)容的,故選B.
74.C 細節(jié)理解題.根據(jù)第三段的"You could put the number in your address book in a masked form.It is not likely that anyone who found Ted Williams,35N.Sheldon Ave.in your address book would know it contains your password (TW35NSA)."可知,用這個例子來展示一個帶著面具形式的密碼,故選C.
75.D 推理判斷題.根據(jù)最后一段的內(nèi)容:最好是每個系統(tǒng)都有不同的密碼,因為對敏感信息的訪問可以為犯罪分子打開大門,經(jīng)常改變密碼是明智的,一些權(quán)威人士建議每三個月更換一次密碼.可知,對于密碼來說,最重要的是安全,故選D.

點評 本篇是日常生活類閱讀.考查學(xué)生對細節(jié)的理解把握和推理判斷能力,做題時一定要找到文章中的原句,和題干進行比較,再做出正確選擇.在做推理判斷題時不要以個人的主觀想象代替文章的事實,要根據(jù)文章事實進行合乎邏輯的推理判斷.

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