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1、选修6 Unit4 Globalwarming李仕才一、阅读理解ASocialnetworksareabigpartofnearlyeveryteenager'slifeinthisdayandage.ManyteenshaveQQ,WeChat,orWeibobutlittledoalotofteensknowthattheycanbeheldresponsibleforeverythingtheypostfortherestoftheirlives.Everythingyoupostonlineispartofadigital
2、footprintthatcanalwaysbetraced(追踪)backtoyou.Thatincludeseverypost,eveneverylike,comment,favoriteandforwardthatyouhaveevercommitted.Allpicturesyou'vepostedorwillposthavebeenstoredinadigitaldatabase,anditisthecompanies'righttokeepallofthesedocumentsthatyoubelievetohaveb
3、eendeletedorhidden.Witheverypostcomesaconsequence;whetheritisgoodorbad，whatyoupostcouldbeseenbyanyone.Thatiswhyyouhavetobeverycarefulofwhatyoudecidetopostorcomment.IfyouthinkyouaresafefromServitefindingoutaboutonefunnycommentyoumadesixmonthsagoonameaninglesspicture,yo
4、uareprobablywrong.Recently,asenior,Aaron,atServitelearnedthislessonthehardwaythisyear.HewroteaseriesofuglycommentstowardsConnellygirlsonawebpage,ignoringpotentialconsequences.Thisstudent,however,didhavetofaceconsequencesfromServiteashewasremovedfromallofhisleadershipr
5、olesintheschool.Surprisinglyenough,hefullyagreedwithhispunishmenthandeddownbytheadministrationandfullyunderstoodwhyhewasgivensuchseverediscipline(处罚)．“WhenyouagreetocometoServite,youareagreeingtodefendwhatServitestandsfor，”theyoungmansaid.“Thatcontinuesfrom8amto2pm.It
6、'satalltimes.”So,nexttimeyou'reabouttopostsomethingyouthinkcouldbereceivedasoffensiveorinappropriate,thinktwice,ordon'tpressthe“Send”．【文章大意】 本文是一篇议论文。当下很多青少年拥有微信、QQ、微博等网络社交工具，但是他们很多人都不知道要对自己所发布的内容负责。文章通过一名高中生的事例说明，在网上发布信息应当慎重。1.Whatdoestheauthorthinktheteensshoulddoin
7、thefirstparagraph?7A．Avoidusingsocialmedia.B．Removetheirowndigitaldocuments.C．Beresponsibleforwhattheyputonline.D．Learntobalancetheironlineandofflinetime.答案与解析：C'考查细节理解。根据第一段第二句“ManyteenshaveQQ,WeChat，orWeibobutlittledoalotofteensknowthattheycanbeheldresponsibleforeve
8、rythingtheypostfortherestoftheirlives.”可知，很多青少年都有QQ、微信或微博，但很多人都不知道，他们应当对自己在网上发布的任何信息负责；据此可知，作者认为，青少年应当对他们发布在网上的信息负责，故C项正确。2.
