2024-2025學(xué)年高中英語課時作業(yè)9Unit3Computers含解析新人教版必修2

PAGE課時作業(yè)9Ⅰ.Fast-readingReadthetextquicklyandanswerthefollowingquestions.1．Whoisthespeakerofthepassage?_______________________________________________________2．Findoutthetopicsentenceofeachparagraph.Para.1：________________________________________________Para.2：_________________________________________________Para.3：________________________________________________3．Whatisthegeneralideaofthetext?Thepassagemainlytalksabout________ofthecomputer,from________to________and________andhow________indifferentfields.答案1．Thecomputer.2．OvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.3．thedevelopment;acalculatingmachine;aPC;alaptop;itisusedⅡ.Careful-readingReadthetextcarefullyandchoosethebestanswer.1．Whatdoestheauthormeanby“atechnologicalrevolution”inthedevelopmentofcomputers?A．Acalculatingmachinein1642.B．Ananalyticalmachinein1822.C．Auniversalmachinein1936.D．Anetworkintheearly1960s.2．Howlongdidittakebeforethecomputerwasbuiltasananalyticalmachine?A．500years. B．300years.C．100years. D．200years.3．Whydidthecomputertotallychangeitsshape?A．Becausethecomputercoulddomanythings.B．Becausethecomputercouldsimplifysums.C．Becauseitsmemoryimproved.D．Becausethecomputerneverforgotanything.4．Whenwerethecomputersconnectedtooneanother?A．Intheearly1960s. B．Inthe1970s.C．Inthe1940s. D．Intheyearof1936.5．Accordingtothelastparagraph,whichwereNOTmentionedintheuseofthecomputer?A．Mobilephones. B．Rockets.C．Bikes. D．Robots.6．Whatcanwelearnfromthetext?A．Thecomputerwilltaketheplaceofhumanbeings.B．Thecomputerwillbesmarterthanhumanbeings.C．Thecomputerwillbeadisasterforhumanbeings.D．Thecomputerwillbeusedinmanyfieldsinlife.答案1．B2.D3.C4.A5.C6.DⅢ.SummaryNoonecouldrecognizemeafterIgotmynewtransistorsin__1__1960s.Thereweretimeswhenmysizewas__2__(total)changed.IbecamesmallerandthinnerbutIgotclevererandcleverer,quickerandquicker.Andmymemorybecamesolarge__3__Icouldn'tbelieveit!ButIwasalwayssolonely__4__(stand)therebymyself.Theygavemeafamily__5__(connect)byanetworkintheearly1960s.Icouldshareinformationwith__6__andwecouldtalktoeachother.AtaboutthesametimewelearnedtotalktohumansusingBASIC.I__7__(bring)intopeople'shomesinthe1970s.Sincethen,myfamilyandI__8__(use)bybillionsofpeopletodealwithinformationandcommunicatewitheachotheraroundtheworld.Ilovebeingusedtoconnectpeoplewhoaren'tcloseenough__9__(speak)toeachother.Ihave__10__(true)beenbuilttoservethehumanracesincemybirth.答案1．the2.totally3.that4.standing5.connected6．others7.wasbrought8.havebeenused9.tospeak10．truly閱讀理解ATheInternetplaysabigpartinhumanlife.Weuseitforworkandpleasure.Weuseittolearnanewlanguage.Wefindadviceonit.Weuseittoconnectwithfamilyandfriends.Weuseittostayintouchwitheventswecareabout.Thelistgoesonandon.Well,that_train_has_left_the_station.ButcanusingtheInternettoomuchbebadforourhealth?Itmightbe,researcherssay.AnewstudyfindsthatheavyInternetusemaybeconnectedtohighbloodpressure(血壓)inanunlikelygroup:teenagers.Highbloodpressuremakesyourheartandbloodvessels(血管)worktoohard.Overtime,thisextrapressureincreasesyourriskofaheartattack.Highbloodpressurecanalsocauseheartandkidney(腎臟)disease.Itisalsocloselylinkedtoabraindisease.TheHenryFordHospitalinDetroit,TheleadresearcherisAndreaCassidy-Bushrow.Shesaid,“UsingtheInternetispartofourdailylife,butitshouldn'truinus.”MsCassidy-Bushrowaddsthatitisimportantforteenstotakeregularbreaksfromtheircomputersorsmartphonesanddosomekindofphysicalactivity.Shealsosuggeststhatparentslimit(限制)theirchildren'suseoftheInternettotwohoursaday,fivedaysaweek.1．Theunderlinedexpression“thattrainhasleftthestation”inPara.2isusedtoshow________.A．theInternetdevelopsrapidlyB．noonecanescapefromtheInternetC．theInternetcanprovidewhateverwewantD．thereisnogoingbacktoanInternet-freelife2．WhatisPara.3mainlyabout?A．Causesofhighbloodpressure.B．Theharmofhighbloodpressure.C．ThedisadvantagesofInternetuse.D．Waystopreventhighbloodpressure.3．AndreaCassidy-Bushrowwouldagreethat________.A．teenagersshouldn'tusetheInternetB．theInternetwillruinhumanlifeinthefutureC．smartphonesaremoreharmfulthancomputersD．regularbreaksarenecessarywhenusingtheInternet4．Whatcanbeusedasthebesttitleofthepassage?A．HeavyInternetUsersAreMostlyTeenagersB．HowtoPreventTeenagersfromtheInternetC．TooMuchInternetUseMayBeBadforTeenagersD．EveryCoinHasTwoSides—SoDoestheInternet答案與解析本文是一篇說明文。一項探討發(fā)覺，青少年過度運(yùn)用因特網(wǎng)可能會導(dǎo)致高血壓。1．D句意理解題。文章首句講到現(xiàn)在因特網(wǎng)對于人類生活來說至關(guān)重要，接著列舉了我們?nèi)粘Ｉ钪杏玫揭蛱鼐W(wǎng)的方方面面。在其次段作者引用了這句thattrainhasleftthestation，緊跟著又提出疑問：過度運(yùn)用因特網(wǎng)會不會影響我們的健康？由此可知這句話在此處所要表達(dá)的意思就是：我們不能返回到?jīng)]有因特網(wǎng)的生活了。2．B段落大意題。依據(jù)文章第三段的內(nèi)容可知，本段講的是高血壓的種種危害。3．D推理推斷題。依據(jù)文章最終一段中的MsCassidy-Bushorwaddsthatitisimportantforteenstotakeregularbreaksfromtheircomputersorsmartphones...可知，AndreaCassidy-Bushrow認(rèn)為上網(wǎng)時隔一段時間就休息一下是很有必要的。4．C標(biāo)題歸納題。文章主要講的是一項探討發(fā)覺青少年過度運(yùn)用因特網(wǎng)可能會導(dǎo)致高血壓，由此可知C項作為文章標(biāo)題最佳。BChoosingahotel,restaurantornewproductcanbeahardtask.There'ssomuchonoffer,andmakingamistakecanbeexpensive.Thisiswhymanypeopleturntoonlineuserreviews—opinionsandinformationthat'ssupposedlywrittenbypeoplewhohaveusedaserviceorboughtaproduct.Butcanwetrustthem?About70%ofAmericanssaytheybelieveonlineuserreviews.Accordingtoexperts,thisisbecausewhenwereadareviewbyanotherperson,wefeellikewe'regettingapersonalrecommendation(舉薦)fromafriend.Butarecentstudyshowsthataboutonethirdofonlinereviewsarenottrue.Ofcourse,companiesareinneedofgoodreviewssosomeofthemhavestartedto“play”thesystem.Buthowdotheydoit?Simple!Onewayistogivegoodreviewsofyourownproductorservice.Best-sellingwriterRJEllorywasrecentlycaughtwriting5-starreviewsofhisownbooksonAmazon.Hecalledoneofhisbooksa“modernmasterpiece”andsaidanotherwould“touchpeople'ssouls(心靈)”.RJalsowroteunkindreviewsofhiscompetitors'books.Anotherwayisto“buy”goodreviews.Justrecently,theCoveHotelinCornwallwascaughtgivingguestsdiscounts(折扣)iftheywrote“honestbutpositive”reviewsonTripAdvisor.Theideaworked—oneguestcalledtheCove“adreamcametrue”andanothersimplywrote,“Ididn'twanttoleave！”Somepeopleareevenmakingalivingbywritinguntruereviews.In2010,AmericanToddRutherfordcreatedGettingBookReviews(ithassincecloseddown).For$99,ToddwouldwriteapositivereviewofyourbookonAmazon;andfor$999,he'dwrite50.Atonepoint,Toddwasmakingmorethan$28,000permonth;andoneofhisclients(客戶)(JohnLocke)becameabest-sellingauthorbecauseofTodd'sreviews.So,justbecarefulwhenyouarelookingforreviewsofthethingsyouneedontheInternet.5．WhichofthefollowingwordscanbestdescribeRJEllory?A．Proud. B．Friendly.C．Impolite. D．Dishonest.6．WhatdoweknowabouttheCoveHotel?A．ItisthemostpopularhotelonTripAdvisor.B．Itisclosetothecitycenterbuthaspoorserv