Weliveinaworldwithhigh-techproducts.Cellphonehasbeenpartofourlife,itgetsupdatedveryfast.Unliketwentyyearsagothatcellphoneisownedbytheadults,butnowevenakidisequippedwithacellphone.Thishigh-techproductchangesourlife.Itbringsconveniencetoourlife,butatthesametime,theoveruseoftheproductletusmisssomethingfromourlife.
我们生活在一个高科技产品的世界.手机已经成为我们生活的一部分,更新很快.和20年前不同,以前手机拥有者是大人,现在即使一个小孩也有手机.高科技产品改变了我们的生活,它给我们的生活带来了方便,但是同时,产品的过度使用让我们的生活错失一些东西.
Cellphonebringspositiveandnegativeeffecttoourlife,weshouldmakeuseofittofacilitateourlife,atthesametime,wekeepfocusontheenjoymentofreallife,nottheInternetworld.
Scienceandtechnologyhavebeenbringinghumanbeingstremendousbenefits.Thankstoscienceandtechnology,wenowlivecomfortablyandconvenientlyinhousesfurnishedwithairconditioners,refrigerators,washingmachinesandtelevisionsetc.Thankstoscienceandtechnology,wecaneatfreshvegetablesattheyearround.Thankstoscienceandtechnology,wecantravellongdistancesinthefractionofasecondonplanes,trainsandcars.Thankstoscienceandtechnology,wewearclotheswithsyntheticmaterialswhichcannoteasilybewornout.
However,scienceandtechnologyhaveatsobroughtusalotofdisasters.First,becauseofthemanybreakthroughsinthefieldofmedicine,peoplearenowlivingmuchlongerthantheyusedto.Asaresult,thepopulationoftheworldisincreasing,causinglotsofproblems.Second,becauseofthedevelopmentofindustry,lotsofthewastesfromfactoriespourintotheairandrivers,causingpollutionofallkinds.Third,someterroristsareusingscienceandtechnologyagainstmankind.Theyusebiological,chemicalandunclearweaponstothreatenworldpeace...