“Indeed”GeorgeWashingtonwroteinhisdiaryin1785“somekindoffly，orbughadbeguntoeattheleavesbeforeIlefthome.”ButthefatherofAmericawasnotthefatherofbug.WhenWashingtonwrotethatEnglishmenhad

　　“Indeed”GeorgeWashingtonwroteinhisdiaryin1785“somekindoffly，orbughadbeguntoeattheleavesbeforeIlefthome.”ButthefatherofAmericawasnotthefatherofbug.WhenWashingtonwrotethatEnglishmenhadbeenreferringtoinsectsasbugsformorethanacenturyandAmericanshadalreadycreatedlightning-bug(萤火虫).ButtheEnglishweresoontostopusingthebugsintheirlanguageleavingittotheAmericanstocallabugabuginthenineteenthandtwentiethcenturies.

　　TheAmericanbugcouldalsobeapersonreferringtosomeonewhowascrazyaboutaparticularactivity.Althoughfanbecametheusualtermsportsfansusedtobecalledracingbugs，baseballbugsandthelike.

　　Orthebugcouldbeasmallmachineorobjectforexampleabug-shapedcar.Thebugcouldalsobeaburglaralarmfromwhichcomestheexpressiontobugthatis“toinstall(安装）analarm”.Nowitmeansasmallpieceofequipmentthatpeopleuseforlisteningsecretlytoothers’conversations.Sincethe1840stobughaslongmeant“tocheat" andsincethe1940sithasbeenannoying.

　　Wealsoknowthebugasaflawinacomputerprogramorotherdesign.ThatmeaningdatesbacktothetimeofThomasEdison.In1878heexplainedbugsas“littleproblemsanddifficulties”thatrequiredmonthsofstudyandlabortoovercomeindevelopingasuccessfulproduct.In1889itwasrecordedthatEdison“hadbeenupthetwopreviousnightsdiscovering‘abug’，inhisinventedrecordplayer."

　　68. WelearnfromParagraph1that____.

　　A. Americanshaddifficultyinlearningtousethewordbug

　　B. GeorgeWashingtonwasthefirstpersontocallaninsectabug

　　C. thewordbugwasstillpopularlyusedinEnglandinthenineteenthcentury

　　D. bothEnglishmenandAmericansusedthewordbugintheeighteenthcentury

　　69.Whatdoestheword“flaw”inthelastparagraphprobablymean?

　　A. Explanation.

　　B. Finding.

　　C. Origin.

　　D. Fault.

　　70.Thepassageismainlyconcernedwith .

　　A. themisunderstandingofthewordbug

　　B. thedevelopmentofthewordbug

　　C. thepublicviewsofthewordbug

　　D. thespecialchara