2019年12月四级作文常考话题及模板：手机用量思维导图

【范文】

Inrecentyearstherehasbeenadramaticriseinthecellphones,whicharenowessentialtomillionsofpeopleasaconvenientformofcommunication.In2004thenumberreached315,000,000,withanaverageannualincreaseat57,500,000.

Somepeoplecannownolongerimaginelifewithouttheircellphones.Thefactthattheyaresopopularprovesthattheyareusefulandconvenient.Cellphonesenablepeopletoeasilyandquicklycommunicatewithoneanother;whereveryouare,youcaninstantlyreachsomebody.Cellphoneseliminatethetroubleofnotbeingabletomeetsomeoneinperson,andthereforeincreasebusiness'sefficiency.

Mobilephonesnecessarilyalsoharbordisadvantages.Theradiationsuchphonesemitishazardoustoone'shealth.Furthermore,ifpeoplebecometooreliantontheuseofcellphones,ourfacetofaceskillsmaydecline.Anynewinventionhasitsdrawbacks,andsuchnegativeaspectscannotalwaysdiminishitspopularity.Despitethenegativeeffectsoftelevision,forexample,thenumberofpeoplewhoowntelevisionscontinuestogrowatatremendousrate.Thisisalsothecasewithmobilephones.Peoplewon'tstopeatingjustbecauseoftheriskofchoking.Inaddition,theswiftdevelopmentofscienceandtechnologywilllikelyeliminatethehazardscellphonesmaycause.Onecansafelypredict,therefore,thatwiththeintroductionofnewtechniques,mobilephoneswillhavemoreapplicationsandbecomeevenmoreappealingtocustomers.