选修⑦ Unit 3 课下主题训练 科技发展与信息技术创新科学精神信息安全

PAGE第2页共5页选修⑦Unit3课下主题训练科技发展与信息技术创新，科学精神，信息安全一、主题语基拓展练(一)主题词汇盘查(已会词汇，在□内打“√”；欠熟练词汇，多翻阅识记)①convenient□ ②hardware□③system□ ④information□⑤instant□ ⑥insert□⑦upload□ ⑧blogger□⑨transmission□ eq\o(○,\s\up1(10))wireless□⑪collection□ ⑫password□⑬interruption□ ⑭strengthen□⑮search□ ⑯foundation□⑰mouse□ ⑱screen□⑲data□ ⑳reference□(二)主题词汇训练Ⅰ.选词填空(有两词多余)hardware，system，information，insert，upload，wireless，password，screen，data，foundation1．Touploadmultiplefiles,musiccollections,photosyou'llneedtozipthemupfirst.2．Thislaidthefoundationforthedevelopmentoftheinformationtechnology.3．Wirelesstechnologyusesradiowavesratherthanelectricityandthereforedoesnotrequireanywires.4．Asthepicturesflashedonthescreen,_thenewsmancontinuedtalking.5．Incomputersystems,hardwarereferstothemachinesthemselvesasopposedtotheprogramswhichtellthemachineswhattodo.6．Itwasimpossibleforanyonetogetinbecausenooneknewthepassword.7．Evenwiththosedatabases,thehugequantityofdatacanstillcauseproblems.8．Virusestendtobegoodatsurvivingwhenacomputersystemcrashes.Ⅱ.单句语法填空1．You'llfindthesemealsquickandconvenient(convenience)toprepare.2．Theexercisesaredesignedtostrengthen(strong)yourstomachmuscles.3．Whenthetransmission(transmit)isgood,foreignstationscanbeheard.4．Thepaintingcomesfromhisprivatecollection(collect)．5．Iwrotedownthenameofthehotelforfuturereference(refer)．Ⅲ.写出下列句中蓝色词的汉语意思1．Whilemostbloggerscommentonnewsreportedelsewhere,somedotheirownreporting.博主2．YoumightsearchontheInternetforcommentsornewsstoriesaboutschoolsthatinterestyou.搜寻3．Clicktheleftmousebuttontwicetohighlighttheprogram.鼠标4．Positionthecursorwhereyouwanttoinsertaword.添加5．Ifthepersondoesnothaveaninstantmessageaddress,youneedtoenterone.立刻的二、主题语篇押题练Ⅰ.阅读理解Onlineshoppinghasbecomemoreandmorepopulartheseyears.WomenhavejumpedaheadofmenforthefirsttimeinusingtheInternettodotheirholidayshopping,accordingtoastudypublishedlastweekintheUS.ForyearsmenhavebeenmorelikelytoshopontheInternetthanwomen,butduringthe2019holidayseason59percentofthoseshoppingonlinewerewomen.“ItshowshowpopulartheInternetisbecoming，”saidLeeRainie,directorofthePewInternetandAmericanLifeProjectgroup,whichcarriedoutthestudy.Rainiesaiditwasonlyamatteroftimebeforewomenshopperscaughtupwithmen.Thisisbecausewomentraditionallymakedecisionsaboutspending.Usersweremorelikelytoshoponlinetosavetime.Internetusersbetweentheages19and29wereresponsibleforsomeofthesurprisingincreaseintheonlinegiftbuyingpopulationthistimearound.However,three­quarteroftheUSInternetusersdidnotbuyholidaygiftsonlinein2019.Theyworriedaboutcreditcardsecurity,orjustcomparedonlinepriceswithoff­lineprices,thendashed_offtotheshopstogetthebestdeals.“Butevenifshoppersdon'tbuyonline,websitesarebecomingpromotiontoolsforstores，”saidDanHess,vicepresidentofComScoreNetworkInc.Hesssaidthatactuallymoststores'websitescanmakecustomersfullybelievethesecurityoftheircreditcardnumbers.Andmostareabletoensurethatgiftsarriveontime.“It'sallaboutmakingtheshoppingexperiencemoreefficient,morereliableandmorecomfortable.”Hesssaid.语篇解读：本文是一篇说明文。美国的一项研究显示，在利用互联网进行假日购物方面，女性首次超过了男性，同时网络购物人群有年轻化的趋势。1．Whatcanweknowfromthepassage?A．Therewerefewerwomenonlineshoppersthanmenin2019.B．Morewomenshoppedonlinethanmenin2019.C．MostoftheInternetusersbetweentheages19and29werewomen.D．PeopleintheUSweremorelikelytobuygiftsonline.解析：选B细节理解题。根据第一、二段可知，2019年美国在网上购物的女性超过了男性。故选B。2．Whatdoestheunderlinedpart“dashedoff”probablymean?A．Turned. B．Putoff.C．Hurried. D．Takeoff.解析：选C词义猜测题。根据上文可知，此处表示经过比较之后，这些用户匆忙(hurried)去商店购买便宜货。故选C。3．AccordingtoDanHess,shoppingonlineis________.A．unsafe B．convenientC．awasteofmoney D．cheaper解析：选B推理判断题。根据最后一段可知，Hess认为网上购物是方便的。故选B。4．Wheredoesthepassageprobablycomefrom?A．Anintroductiontextbook.B．Anewscoverage.C．Anessaycollection.D．Brochure.解析：选B文章出处题。根据第一段第二句可知，美国的一项研究显示，在利用互联网进行假日购物方面，女性首次超过了男性。现在网上购物的主流变成了女性为主，接着文章分析了原因。由此可推知，文章最有可能来自新闻报道。故选B。Ⅱ.阅读七选五WhiletheInternetisagreatplaceforlearning,socialisingandhavingfun,itcanalsocomewithsomedanger.It'sunderstandablethatyoumaywanttostopyourchildrenfromevergoingonlineinordertoprotectthem.__1__.Herearefivetipstohelpyoutalktoyourkidsaboutonlinesafety.BehonestaboutthedangersAssoonasyourkidsareoldenoughtogetonline,haveanage­appropriatechatwiththemaboutwhattheycouldmeetwith.Behonestabouttheissueofscammers(骗子)andadvisethemtocometoyouiftheycomeacrosssuchincidents.Letthemknowthattheanonymity(匿名)oftheInternetallowspeopletopretendtobesomeonethey'renotso.__2__.EncouragethemtospeakupFlagcertainbehavioursorincidentsthattheyshouldimmediatelyalertyouto.Theseincludesomeonetheydon'tknowtryingtocommunicatewiththemonline,comingacrossinappropriatesites,andsomeonethreateningthemonline.Letthemknowthattheywon'tbepunishedYourkidsmaybescaredtotellyouifthey'veencounteredtroubleonlineforfearthatyoumaystoptheusageoftheirphoneorcomputer.__3__.Yourroleistohelpthemandkeepthemsafe.__4__Makeitabsolutelyclearthatthereareafewthingsthatarecompletelyoutofbounds.Theseincludemeetingupwithanyonetheygottoknowonlinewhomtheydon'tknowinreallife,givingawayanypersonalinformationsuchastheiraddressorphonenumber,oryourcreditcarddetails,andpostingpersonalphotosorvideosthattheywouldn'tbecomfortablesharingwiththeworld.SpendtimewithyourkidsonlineSitwiththemwhenthey'reusingthecomputerorphone.__5__.Ifyouencounterasiteorpostthatisinappropriate,explainclearlywhyyouthinkso.A．Setrulesforwhattheyshouldn'tdoB．InternetisaplacefilledwithdangerC．CompletelystoppingthemusingInternetisthebestwayD．Makeitclearthatyouwon'tpunishthemforbeinghonestE．Findoutwhatsitesthey'reusingorgamesthey'replayingF．Justastheywouldn'ttruststrangersinreallife,theyneedtobeextracarefulonlineG．However,it'sfarbettertoequipthemwiththerightskillssotheywillbeabletodealwithdangeroussituations.语篇解读：本文是一篇说明文。虽然网络是学习、社交和娱乐的地方，但也存在着危险。关于如何帮助孩子们了解网络安全，文章给出了五个提示。1．解析：选G根据上文可知，空处应表示转折，G项“然而让他们掌握处理危险境况的技能更好”承接上文并引出下文。故选G。2．解析：选FF项“正像他们在现实生活中不要相信陌生人一样，他们在网上需要额外小心”说明前文所提建议的重要性，承接上文，故选F。3．解析：选D根据上文可知，孩子们会因害怕你禁止他们用手机或电脑而不告诉你所遇到的网络麻烦。所以明确你不会因为他们的诚实而惩罚他们是很重要的。故选D。4．解析：选A根据后文可知，本段主要讲述要制定规矩。A项“为孩子们不能做的事情立规矩”作为本段的小标题最为恰当。故选A。5．解析：选EE项“查明他们在使用什么网站或玩什么游戏”承接上文，坐一起目的是为了看看孩子们在玩什么。故选E。Ⅲ.语法填空Nowadays,itseemslikeeverythingisgoingdigital.Fromnewsarticlesandrecipestoyogaclasses,youcanfindalmosteverythingontheInternet.Manypeoplefindthiswayoflifemore__1__(convenience).Perhapsthat'swhysomepeoplechoose__2__(shop)fortheirclothesonline.Withtheclickofabutton,youcanorderanythingyouwant,andhaveit__3__(deliver)directlytoyourfrontdoor.Forsomeonewithabusylifestyle,thisseemsideal.Firstly,onlineshoppingcanbefarlessstressful__4__hittingthehighstreetshops.Therearenohugecrowdsofpeople__5__boringlylongqueues.Withonlineshopping,it'sjustyouandyourcomputer.Secondly,online__6__(store)don'thaveopeningtimeandclosingtime.Ifyouwantto,youcanevenplaceanonlineshoppingorderatthreeo'clockinthemorning!However,therearealsoseveralcons.Withonlineshopping,youcan'ttrybeforeyoubuy,which__7__(be)acleardisadvantage.Whenyournewclothesarrive,youmayfindthey