please/ pli:z/ vt.使高兴，请vi.满意pleasure/ ple/ n.愉快，快乐;乐事plentiful/ plentiful/ a.丰富的，富裕的plenty/ plenti/ n.丰富，充足，大量plot/ plt/ n.小块土地 vt.密谋plough/ plau/ n.犁vt.&vi.犁，耕plug/ plAg/ n.塞子;插头vt.塞plunge/ pl/nd/ vt.使投入;使陷入plural/ plurl/ a.复数的n.复数plus/ plAs/ prep.加，加上 a.正的pocket/ pkit/ n.衣袋n.袖珍的poem/ puim/ n.诗，韵文，诗体文poet/ puit/ n.诗人
poetry/ puitri/ n.诗，诗歌，诗作pint/ pint/ n.点;要点;细目;分pison/ pizn/ n.毒，毒药vt.毒害pisonous/ pizns/ a.有毒的，有害的pole/ pul/ n.杆，柱
pole/ pul/ n.极(点)，磁极，电极police/ p li:s/ n.警察;警察当局policeman/ p li:smn/ n.警察

pison/ pizn/ n.毒，毒药vt.毒害pisonous/ pizns/ a.有毒的，有害的pole/ pul/ n.杆，柱
pole/ pul/ n.极(点)，磁极，电极police/ p li:s/ n.警察;警察当局policeman/ p li:smn/ n.警察policy/ plisi/ n.i攻策，方针polish/ pli/ vt.磨光;使优美
polite/ p lait/ a.有礼貌的;有教养的political/ p litikl/ a.政治的，政治上的politician/ pli tin/ n.政治家;政客politics/ plitiks/ n.政治，政治学;政纲pollute/ p lju:t/ vt.弄脏，污染，沾污pollution/ p lu:n/ n.污染
pond/ pnd/ n.池塘
pool/ pu:l/ n.水塘，游泳池，水池pool/ pu:l/ n.共用物vt.共有poor/ pu/ a.贫穷的;贫乏的pop/ pp/ n.流行音乐，流行歌曲pop/ pp/ n.砰的一声，爆破声popular/ ppjul/ a.民众的;流行的
population/ ppju lein/ n.人口;全体居民

　A)It is a website that sends messages to targeted users.
　　B)It makes money by putting on advertisements.
　　C)It profits by selling its users’ personal data.
　　D)It provides loads of information to its users.
　　63.What does the author say about most Facebook users?
　　A)They are reluctant to give up their personal information.
　　B)They don’t know their personal data enriches Facebook.
　　C)They don’t identify themselves when using the website.
　　D)They care very little about their personal information.
　　64.Why does Facebook make changes to its rules according to Elliot Schrage?
　　A)To render better service to its users.
　　B)To conform to the Federal guidelines.
　　C)To improve its users’ connectivity.
　　D)To expand its scope of business.
　　65.Why does Senator Charles Schumer advocate?
　　A)Setting guidelines for advertising on websites.
　　B)Banning the sharing of users’ personal information.
　　C)Formulating regulations for social-networking sites.
　　D)Removing ads from all social-networking sites.
　　66.Why does the author plan to cancel his Facebook account?
　　A)He is dissatisfied with its current service.
　　B)He finds many of its users untrustworthy.
　　C)He doesn’t want his personal data abused.
　　D)He is upset by its frequent rule changes.