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1、2019-2020年高中英语Unit3putersSectionⅣ课时作业新人教版Ⅰ.单句语法填空1．Morethan100famousfilmshave_been_shown(show)inthecitysinceJuly.2．Sinceyourworkhas_been_finished(finish),youcanhavearestnow.3．Howmanycarshave_been_made(make)inthefactorysince1990?4．Threenewschoolshave_been_opened(open)inourcity
2、inthepastfiveyears.5．It'sthefirsttimethattheoldputerhas_been_checked(check)sinceIboughtit.6．Greatchangeshave_taken(take)placeinmyhometownandyoucanseethatalotoffactorieshave_been_set(set)up.7．Theirnewcarshave_been_advertised(advertise)ontheInternetforalongtime.8．Alltheathletes
3、have_been_selected(select)frommillionsofpeoplealloverthecountryinthepasttwomonths.9．Anewlibraryandagymnasiuminourschoolhave_been_set(set)upsofarandtheywillbeputintouseverysoon.10．Agreatmanymachineshave_been_produced(produce)bythefactorysincethetechnologicalrevolution.Ⅱ.阅读理解Fo
4、rayearandahalf,kidssenthurtfulmessageslike“Youaresougly.”or“Whyareyoustillalive？”toRebeccaSedwick.Inxx,Rebecca,then12,couldn'tstanditanymore.ShejumpedtoherdeathnearherhomeinFlorida.Soonafterward,TrishaPrabhureadaboutthestory.“Iwassurprisedandheartbroken，”saysTrisha,now15,whoi
5、sfromNaperville,Illinois.“IknewthatIhadtodosomethingtostopthisfromeverhappeningagain.”Trishadidsomeresearch.StudiesshowthatonefourthtohalfofallteensintheU．S.havebeencyberbullied(网络欺凌).Expertssaythatifyouareeverbulliedonline,youshouldtellatrustedadult.Tellthecyberbullytostop,a
6、ndpreventhimorherfromcontacting(联系)youagain.Printandsavemessagestosharewiththepolice.Thisisgoodadvice,agreesTrisha.Butthesemethodsalltakeplaceafterthebullyinghasalreadyhappened.Trishahadadifferentidea.Whynotteachcyberbulliestostopbeforetheypostthesemessages?Trisha'sresearchwh
7、oawards,includingaprizeintheGoogleScienceFair.Then,TrishabuilttheReThinkapp(应用软件).Itisprogrammedtorecognizewordsorphrasesthatcouldbehurtful.Whenthathappens,differentwarningmessageseout.“Don'tsaythingsthatyoumayregretlater！”saysonemessage.Othersask,“Areyousureyouwanttosaythis？
8、”and“Arethesewordsreallyyou？”NowTrishaisworkingonaversion(版本)ofReThi
