数据流图用于抽象描述一个软件的逻辑模型，数据流图由一些特定的图符构成。下列图符名标识的图符不属于数据流图合法图符的是______
A
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Hewasalmostasleep,____withallthishardwork.
Writing:
Astatementgoesthat"boththedevelopmentoftechnologicaltoolsandtheusestowhichhumanityhasputthemhavecreatedmoderncivilizationsinwhichlonelinessiseverincreasing."Towhatdegreedoyouagreewiththisstatement?Writeanessayofabout400words.
Inthefirstpartofyouressayyoushouldstateclearlyyourmainargument,andinthesecondpartyoushouldsupportyourargumentwithappropriatedetails.Inthelastpartyoushouldbringwhatyouhavewrittentoanaturalconclusionormakeasummary.
Youshouldsupplyanappropriatetitleforyouressay.
Markswillbeawardedforcontent,organization,grammarandappropriateness.Failuretofollowtheaboveinstructionsmayresultinalossofmarks.
____thecenterofourplanetarysystemwasconsideredasheresybythechurchintheMiddleAges.
That’s________excitingnewsthatI’dliketotelleveryonetosharethejoy.
It’syourjob________thepopstars.
