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__________.