[简答]  二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确为“T”，错误为“F”。ProtectingeyesfromcomputerscreensManyofusspendthebulkoftheday lookingatcomputerscreens.Readingthisarticlemeansthere’sagoodchanceyou’relookingatonerightnow.Butdoeslookingatcomputerscreensdamageyoureyes?ProfessorNathanEfron doesnotconsidercomputerscreens“harmful”tooureyes.Butheadmitsifyouuseonealot,youincreaseyourriskofbecomingslightlymoreshort-sighted–whereyoureyesfocuswellonlyoncloseobjectswhilemoredistantobjectsappearblurred.Thisisespeciallythecaseforchildrenandyoungadults,whoseeyesarestilldeveloping.Intheshorterterm,prolongedviewingofacomputerscreencanmakeanyslightexistingvisiondefectsmorenoticeable.Itcanalsogiveyouwhatissometimesknownas“computervisionsyndrome”–eyestrain,headaches,grittyeyesandblurryvision. Butthisisonlytemporaryandcanbeminimized by: Adjustingthescreendisplaysothecontrastishighandthebrightnessfeelscomfortable.Havinglightingthatdoesnotproduceglareonthescreen.Givingyoureyesregularrestsfromlookingatthescreen (TheOptometristsAssociationofAustraliarecommendsyoudothisforfivetotenminuteseveryonetotwohoursofcomputeruse.It'sagoodtimetomakephonecallsordoothertasks.) 1.Manyofusspendmuchtimelookingatcomputerscreens.2.Lookingatcomputerscreensforlongtimedoesn’tdamagechildrenandyoungadults’eyesight. 3.Computervisionsyndrome cannotbeweakened. 4.It’sgoodtakingbreaksduringscreenwatching. 5.Properlightingisimportanttoprotectoureyes.