在Windows中，用户建立的文件默认具有的属性是（）。

9.网络操作系统一般可以分为任务型和通用型两类。（）

ReyesGuana,42,grewupinapoorMexicanfamily.Hehassevenbrothersandsisters.Hisparentsalwayshadtwojobstomakeendsmeet.Asaboy,Guanahadagoodrelationshipwiththeschoolcleaner.Hecalledher“Nick”becausesheworeNikeshoes.TheboylikedhowNikemadeeverythingclean.Hetoldherhewantedtobeacleaner,too.“Wellit’sgoodifyouwanttobeacleaner.”NiketoldlittleGuana,“Butmakesureyougotocollege.”Guanaalsolookeduptotheprincipal(校长)ofhisschool.Theschoolleadertoldtheboythathisjobwastohelpstudentsandteachers.“Wow,whenIgrowup,Iwanttodowhatyou’redoing.”Guanatoldhim.“Well,ifyousticktoyourdream,youwill,”theprincipalreplied.AndGuanareallygotthere.Butitwasquitealongjourneyforhim.Twenty-threeyearsago,hefollowedinNike’sfootstepsandwascleaningschools.Heworkedatthreeschoolstopayforhiscollegeeducation.Heheldthatjobforfouryearsandthenworkedhiswayuptobeingaschoolsafetymonitor.Afterthat,heworkedasateacherforafewyears.Now,asaprincipal,Guananeverforgetswherehecamefrom.Hehelpsstudentsfrompoorfamiliesandshowsrespect(尊重)foreveryschoolsstaffmember.Healwaysinviteseveryonetoschoolparties,includingthosewhocleanthefloorsandthosewhodrivetheschoolbuses.25.Whatwouldbeanothertitleforthispassage?

ReyesGuana,42,grewupinapoorMexicanfamily.Hehassevenbrothersandsisters.Hisparentsalwayshadtwojobstomakeendsmeet.Asaboy,Guanahadagoodrelationshipwiththeschoolcleaner.Hecalledher“Nick”becausesheworeNikeshoes.TheboylikedhowNikemadeeverythingclean.Hetoldherhewantedtobeacleaner,too.“Wellit’sgoodifyouwanttobeacleaner.”NiketoldlittleGuana,“Butmakesureyougotocollege.”Guanaalsolookeduptotheprincipal(校长)ofhisschool.Theschoolleadertoldtheboythathisjobwastohelpstudentsandteachers.“Wow,whenIgrowup,Iwanttodowhatyou’redoing.”Guanatoldhim.“Well,ifyousticktoyourdream,youwill,”theprincipalreplied.AndGuanareallygotthere.Butitwasquitealongjourneyforhim.Twenty-threeyearsago,hefollowedinNike’sfootstepsandwascleaningschools.Heworkedatthreeschoolstopayforhiscollegeeducation.Heheldthatjobforfouryearsandthenworkedhiswayuptobeingaschoolsafetymonitor.Afterthat,heworkedasateacherforafewyears.Now,asaprincipal,Guananeverforgetswherehecamefrom.Hehelpsstudentsfrompoorfamiliesandshowsrespect(尊重)foreveryschoolsstaffmember.Healwaysinviteseveryonetoschoolparties,includingthosewhocleanthefloorsandthosewhodrivetheschoolbuses.24.Accordingtothewriter,____________.

ReyesGuana,42,grewupinapoorMexicanfamily.Hehassevenbrothersandsisters.Hisparentsalwayshadtwojobstomakeendsmeet.Asaboy,Guanahadagoodrelationshipwiththeschoolcleaner.Hecalledher“Nick”becausesheworeNikeshoes.TheboylikedhowNikemadeeverythingclean.Hetoldherhewantedtobeacleaner,too.“Wellit’sgoodifyouwanttobeacleaner.”NiketoldlittleGuana,“Butmakesureyougotocollege.”Guanaalsolookeduptotheprincipal(校长)ofhisschool.Theschoolleadertoldtheboythathisjobwastohelpstudentsandteachers.“Wow,whenIgrowup,Iwanttodowhatyou’redoing.”Guanatoldhim.“Well,ifyousticktoyourdream,youwill,”theprincipalreplied.AndGuanareallygotthere.Butitwasquitealongjourneyforhim.Twenty-threeyearsago,hefollowedinNike’sfootstepsandwascleaningschools.Heworkedatthreeschoolstopayforhiscollegeeducation.Heheldthatjobforfouryearsandthenworkedhiswayuptobeingaschoolsafetymonitor.Afterthat,heworkedasateacherforafewyears.Now,asaprincipal,Guananeverforgetswherehecamefrom.Hehelpsstudentsfrompoorfamiliesandshowsrespect(尊重)foreveryschoolsstaffmember.Healwaysinviteseveryonetoschoolparties,includingthosewhocleanthefloorsandthosewhodrivetheschoolbuses.23.Theunderlinedphrasegotthereisclosestinmeaningto_______.

ReyesGuana,42,grewupinapoorMexicanfamily.Hehassevenbrothersandsisters.Hisparentsalwayshadtwojobstomakeendsmeet.Asaboy,Guanahadagoodrelationshipwiththeschoolcleaner.Hecalledher“Nick”becausesheworeNikeshoes.TheboylikedhowNikemadeeverythingclean.Hetoldherhewantedtobeacleaner,too.“Wellit’sgoodifyouwanttobeacleaner.”NiketoldlittleGuana,“Butmakesureyougotocollege.”Guanaalsolookeduptotheprincipal(校长)ofhisschool.Theschoolleadertoldtheboythathisjobwastohelpstudentsandteachers.“Wow,whenIgrowup,Iwanttodowhatyou’redoing.”Guanatoldhim.“Well,ifyousticktoyourdream,youwill,”theprincipalreplied.AndGuanareallygotthere.Butitwasquitealongjourneyforhim.Twenty-threeyearsago,hefollowedinNike’sfootstepsandwascleaningschools.Heworkedatthreeschoolstopayforhiscollegeeducation.Heheldthatjobforfouryearsandthenworkedhiswayuptobeingaschoolsafetymonitor.Afterthat,heworkedasateacherforafewyears.Now,asaprincipal,Guananeverforgetswherehecamefrom.Hehelpsstudentsfrompoorfamiliesandshowsrespect(尊重)foreveryschoolsstaffmember.Healwaysinviteseveryonetoschoolparties,includingthosewhocleanthefloorsandthosewhodrivetheschoolbuses.22.Guanabecameaschoolsafetymonitor________.

ReyesGuana,42,grewupinapoorMexicanfamily.Hehassevenbrothersandsisters.Hisparentsalwayshadtwojobstomakeendsmeet.Asaboy,Guanahadagoodrelationshipwiththeschoolcleaner.Hecalledher“Nick”becausesheworeNikeshoes.TheboylikedhowNikemadeeverythingclean.Hetoldherhewantedtobeacleaner,too.“Wellit’sgoodifyouwanttobeacleaner.”NiketoldlittleGuana,“Butmakesureyougotocollege.”Guanaalsolookeduptotheprincipal(校长)ofhisschool.Theschoolleadertoldtheboythathisjobwastohelpstudentsandteachers.“Wow,whenIgrowup,Iwanttodowhatyou’redoing.”Guanatoldhim.“Well,ifyousticktoyourdream,youwill,”theprincipalreplied.AndGuanareallygotthere.Butitwasquitealongjourneyforhim.Twenty-threeyearsago,hefollowedinNike’sfootstepsandwascleaningschools.Heworkedatthreeschoolstopayforhiscollegeeducation.Heheldthatjobforfouryearsandthenworkedhiswayuptobeingaschoolsafetymonitor.Afterthat,heworkedasateacherforafewyears.Now,asaprincipal,Guananeverforgetswherehecamefrom.Hehelpsstudentsfrompoorfamiliesandshowsrespect(尊重)foreveryschoolsstaffmember.Healwaysinviteseveryonetoschoolparties,includingthosewhocleanthefloorsandthosewhodrivetheschoolbuses.21.Guanahopedtobeacleanerbecausehe___________.

42.Theinformationinthemagazineisoftennot________.

42.AsIjust_____,itwastoolatetogoout.-

42.SimonColtonsaysitisimportanttoconsiderthe______________viewwhencomparingtheartisticachievementsofhumansandcomputers.

42.Iamafraidthatyouhave______________awrongnumber.

42.Ihavea____________ofasocietythatisfreeofexploitationandinjustice.

42.对于"Areyoucomingtotheparty?"的回答，正确的是()。

42.TheUnitedStatesconsistsof49statesand1specialdistrict.

分析SiO2的质量分数得到两个数据：35.01%和35.42%其平均值应表示为（）