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1、ThevalueofscienceandtechnologySample1Ithasbeenwidelynotedthat,withthegrowinguseofcomputersandcalculatorsbothintheclassroomandinthehome,thelevelofliteracyandmathematicalabilityofstudentsisdropping.Thisraisesseriousdoubtsaboutthevalueoftheprogressofscienceandtechnology.HereIwilldisc
2、usstheprosandconsofthisquestion.Firstofall,advancesinscienceandtechnologyhavecertainlybroughtaboutmanybenefitsformankind.Theyhavemadeourlivesmorecomfortableandhealthier.Inaddition,theyhaveeasedtheburdenofworkformostpeopleandprovidedthemwithmoreleisureopportunities,whileatthesameti
3、meincreasingproductivitydramatically.Nevertheless,itcannotbedeniedthattechnologyhassomenegativeeffects(side-effects).Asmentionedabove,withcomputerswhichcheckspelling,grammarandcalculationforthem,studentshavelittlemotivetolearnhowtodothesethingsforthemselves.Also,theavailabilityofT
4、Vprogramsandvideosencouragesanunhealthy,sedentarylifestyle.Anotheraspectofthisissueisthattechnologymaybegoodorbad,dependingonhowweuseit.Forinstance,dynamitemaybeusedtomakeroadconstructioneasier,oritmaybeusedtokillpeople.Again,nuclearreactorscansupplyhugeamountsofcheapelectricity,b
5、utiftheyarecarelesslyhandledtheycancausedevastatingpollution.Wecanconcludethattheprogressofscienceandtechnologyhasbothpositiveandnegativeeffects.Whatwemustdoistomakesurethatthepositiveonesareencouragedandthenegativeonesareeliminatedasfaraspossible.Sample2(ScienceandHumanLife)Advan
6、tages:Scienceandtechnologyhavebeenbringinghumanbeingstremendousbenefits.Thankstoscienceandtechnology,wenowlivecomfortablyandconvenientlyinhousesfurnishedwith（供给）airconditioners,refrigerators,washingmachinesandtelevisionsetc.Thankstoscienceandtechnology,wecaneatfreshvegetablesallth
7、eyearround.Thankstoscienceandtechnology,wecantravellongdistanceinthefractionofasecondonplanes,trainsandcars.Disadvantages:However,scienceandtechnologyhavealsobroughtusalotofdisasters.First,becauseofthemanybreakthroughsinthefieldofmedicine,peoplearenowlivingmuchlongerthantheyusedto
8、.Asaresult,thepopulationoftheworl
