文档介绍：Seｃtion I Use ｏｆ English
Direｃｔｉoｎs：
Rｅａd the folloｗing teｘt。 Chooｓe the ｂest word（s) fｏr ｅach ｎｕmｂｅreｄ blａcｋ anｄ ｍarｋ Ａ， B, C or Ｄ ｏn ANSWＥR SＨＥET １. （1０ poｉntｓ)
Ｔhe Ｉｎteｒneｔ affordｓ ａnｏnyｍity tｏ ｉｔs useｒｓ， a ｂｌesｓing tｏ ｐrivａcｙ ａnd freedom of sｐeｅcｈ。 Bｕｔ that ｖery ａｎoｎyｍity iｓ also ｂｅhind tｈe ｅxplosion oｆ cyber-crime that has  1  aｃrｏss the Ｗeｂ．
Ｃａn privaｃy ｂe pｒｅsｅrved  2   bringｉｎg safｅty and secｕrity ｔｏ a world ｔhat seems ｉｎcrｅasiｎgly  3   ?
Lａst ｍonｔh, Howard Schmｉdt， tｈｅ ｎaｔioｎ’s ｃybeｒ－cｚar, ｏfｆｅred thｅ fｅderａl ｇoｖerｎment a  4  to make the Web a saｆeｒ ｐlace—a “volｕntａrｙ trusteｄ idenｔity” ｓystem that would bｅ the hiｇh—tｅｃh  5  of a phｙsｉcal keｙ, ａ ｆiｎｇeｒｐｒinｔ aｎd a ｐｈotｏ ID carｄ， alｌ rollｅd  6  one. The system migｈｔ use a ｓmａrt identｉty carｄ， or ａ diｇiｔal credential  7  ｔo a spｅciｆｉc computｅr 。anｄ ｗould auｔhｅnticatｅ users at ａ range of online services.
The idea is to  ８  a fedｅratiｏn ｏｆ priｖａte ｏｎlinｅ iｄentｉtｙ sysｔems． Useｒ coulｄ  9  which ｓysｔeｍ tｏ ｊoｉn, and oｎｌy ｒegisｔered ｕsers whose idenｔities have ｂeｅn auｔheｎｔｉcatｅｄ cｏｕlｄ naviｇate ｔhosｅ systems. Ｔhe ａpproacｈ coｎｔrasts with one that wｏuld require aｎ Ｉntｅrneｔ driveｒ’s liｃenｓe      10    by ｔｈe governｍｅｎt．
Gooｇle ａｎd Ｍicrosｏfｔ ａre among compａnieｓ tｈaｔ alｒｅadｙ ｈave thesｅ “single sign—oｎ” systemｓ tｈat ｍakｅ it possible for ｕsｅrs to   1１  just once but ｕse mａny difｆerent services。
  1２ ．the ａｐprｏａｃh ｗoｕld create a “waｌled garden” n ｃyｂｅrspace， ｗiｔh safe “nｅｉgｈborhooｄs” and bright “sｔreetｌightｓ” to eｓtablｉsh a ｓense of a   1３  ｃoｍｍｕｎity．
Ｍr。 Scｈmidt descｒibed it ａｓ a “voluntaｒｙ ecosystｅｍ” ｉn which “individuａlｓ anｄ orgａniｚatiｏns can compｌeｔe oｎline tｒansactｉons wｉtｈ  １4  ，ｔrustｉng ｔhe idｅnｔities of each oｔher ａnd the iｄentities oｆ thｅ iｎfrasｔrｕcture  15  ｗhicｈ ｔｈe transactｉon ruｎｓ”。
Ｓtilｌ， ｔhe admｉｎｉｓtｒation’s pｌａn haｓ  1６  privacｙ rｉghts ａctiviｓts. Sｏｍｅ ａｐplaud the apｐroａcｈ； ｏthers ａre conｃｅrｎed。 It seems cleａｒ ｔhａｔ such a schemｅ iｓ an initiative pｕsh towａrd whａt wouｌd  17  be ａ cｏmpｕｌsory Ｉｎｔerｎeｔ “ｄri