Betterthinktwicebeforechoosingapasswordfore-mail,onlinebankorshopping.Simplepasswordsareeasytobestolen.Apasswordislikeakeytoyourhome.Ifsomeonestealsit,he’llgetchancestostealsomethingelse.Weusepasswordseverywhereinourlife.Wearesousedtopasswordsthatwedon’tpayanyattentiontothemuntilweloseorforgetone.Astudyof28,000passwordsrecentlystolenfromapopularwebsiteshowedthatpeopleoftendotheeasything.Itfoundthat16percenttookafirstnameasapassword.Another14percentusedtheeasiestkeyboardcombinationssuchas“12345678”orQWERTY.Fivepercentofthestolenpasswordswerenamesoftelevisionshowsorstarspopularwithyoungpeople.Threepercentofthepasswordsexpressedfeelingslike“Idon’tcare,”“Whatever,”“Iloveyou,”ortheiropposite,“Ihateyou.”RobertGraham,whodidthestudy,advisespeopletochooseapasswordthatislongerthaneightcharacterswithonecapitalletter(大写字母)andonesymbol.Ofcourse,safepasswordsdon’tmeanthosehardtoremember.Forgettingyourpasswordissometimesabigheadacheforyou.Maybe,theperfectpasswordiseasyforyouandhardforothers.小题1:Theunderlinedword“password”inParagraph1means__________.