Unix系统关于文件权限的描述正确的是：
A、r－可读，w－可写，x－可执行A
暂无解析
Hiscompanionshavethreatenedto__hiscrimestothepolice.
Hewasluredintoacrimehewouldnot____________havecommitted.
Tom,withhisparents______toAmerica.They_____backintwoweeks.
It’snecessary______ustokeepourpetscleaneveryday.
Writing:
Somepeopleclaimthat,intheageoftelevision,readingbooksisnotasimportantasitoncewasandthatpeoplecanlearnasmuchbywatchingtelevisionastheycanbyreadingbooks.Doyouagreeordisagreewiththisstatement?Writeanessayofabout400words.
Inthefirstpartofyouressayyoushouldstateclearlyyourmainargument,andinthesecondpartyoushouldsupportyourargumentwithappropriatedetails.Inthelastpartyoushouldbringwhatyouhavewrittentoanaturalconclusionormakeasummary.
Youshouldsupplyanappropriatetitleforyouressay.
Markswillbeawardedforcontent,organization,grammarandappropriateness.Failuretofollowtheaboveinstructionsmayresultinalossofmarks.
