第一题：withthehigh-speeddevelpmentofsociety,themeansofcommunicationhavebecomemoreandmorevariable.asaresult,wecanseemobilephoneeverywhere.themobilephonecanbringussomuchconvenience,withthephone,wecangetcontactwithothersanytime,anywhere,andwecannotonlymakecalls,sendmessagesbutalsotakephotos,playgames,surfonthenet,listentomusicevenwatchmovies.inaword,itishardtoimaginewhatthedailylifewouldbeiftherewerenotmobilephone.butontheotherhand,itisstillnotperfect.theradiationcreatedbythephonewilldoharmtoourheadsandourhealth.meanwhile,thesignalisnotverystronginsomewildareas.what'smore,thefeeisalittlehigh.soifalltheproblemscanbesolved,themobilephonewillbeusedmorewidely.

　　第二题：Haveyouevernoticedthatourpaceoflifeisspeedingup,andasaresult,people'slifebecomemoreandmoreintense.intensitymeansanxiety,nervousnessandunhealty.duetointensity,manypeoplesuffergreatpressurefromwork,lifeandtheycannotsleepwell,eatwell,hence,theygraduallylosetheirtemperandconfidence,lifebecomesdarker.sohowtomakethelifebrighter?wecantrytorelaxourselves,wecandosomesportsontheweekends,orlistentolightmusicorhavesomedeliciousfood.themostusefulwaymaybeto

　　talktoyourfriendsorfamily,fromwhoyoucanalwaysreceivecomfortandencouragement.

　　Behappy,fromtodayon!