2020版高考英语一轮复习课时提能练21Fitforlife（含解析）牛津译林版

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1、课时提能练(二十一)Ⅰ.阅读理解(2019·东北三省四市联考)TheUNICEF(UnitedNationsChildren'sFund)reportestimatesthataroundonethirdoftheworld'syouth—mostindevelopingcountries—arenotonline.Forexample，inAfrica，only40percentofchildrenareonline.InEurope，bycontrast，88percentareonline.UNICEFreportsth

2、atoneinthreeInternetusersaroundtheworldarechildren.Eventhoughsomanychildrenareonline，theorganizationsayslittleisknownabouttheeffectofdigitaltechnologyonchildren'swellbeing.Moreimportantly，thereportfindsthatlittleisbeingdonetoprotectchildrenfromthedangersofthedigital

3、world.Forexample，manychildrenaroundtheworldhaveadigitalfootprintbeforetheycanactuallywalkandmakerealfootprints.Parentsoftenpostphotosoftheirchildrenandsharestoriesaboutthem.Andachild'smedicalrecordsmaybestoredinthecloud.Aschildrengrow，theymayshareadditionaldetailsab

4、outthemselvesorphotosandvideosofthemselves.Butmakingallthispersonalinformationpublicmayputachildatrisk.LaurenceChandy，DirectorofData，ResearchandPolicyforUNICEF，explainsthattheserisksincludethemisuseofchildren'sprivateinformation，accesstoharmfulcontentandcyberbullyin

5、g.Besidescyberbullying，LaurenceChandysayschildrenarealsoatriskfromonlinecriminalnetworks.Thesecriminalstargetchildrenforsomeoftheworstformsofexploitationandabuse.Hesayssafeguardingchildren'sprivacyontheInternetisanissueofmajorconcern.“Wereallyemphasizetheimportanceo

6、fputtinginplacesafeguardstopreventchildren'spersonaldatafromfallinginthewrongpeople'shandsandprotectingtheiridentities.Thisisanissuewhichisonlygoingtogrowinimportance.”Parents，caregivers，teachersandschooladministrators，businessesandpolicymakersneedtoworktogethertoen

7、suresafeaccessandprotectchildrenfromthepossibleharmofagrowingdigitalworld.【语篇解读】　本文是一篇说明文。联合国儿童基金会的报告指出，世界上有三分之一的网民是儿童，但是没有多少人知道数字技术对孩子的影响。孩子们在网上分享自己的生活细节或者自己的照片和视频可能会让其处于危险之中。我们应当联合各方力量，确保网络的健康环境。1．WhatcanweprobablyknowfromtheUNICEFreport?A．Aroundtwothirdsoftheworl

8、d'syouthareoftenonline.B．Digitaltechnologydevelopsfasterindevelopingcountries.C．Theinfluenceonthehealthofchildrenonlineismentioned.D．Thenu