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Computers(900字)Thecomputerisawonderfulmachine.Theyarealreadywidelyusedinindustriesandinuniversities.Theyareusedinmanyways.Computerscandomanykindsofwork.Forexample,computerscanhelpsusdomathsproblemsquickly.Someproblemsaretoohardforustoworkthemout,butcomputerscan.Ascientistcanaskcomputerssomequestions,andthecomputerscanansweronthescreen.Inacar-factorycomputertellstherobotshowtodowiththecars.Computersareveryuseful.Somanyparentsbuycomputersfortheirchildren.Theyhopecomputerscanhelpthemimprovetheirstudiesinschool,butsomechildrendon’tdoaswhatparentswantthemtodo.BecausetheyusedthecomputersforsurfingontheInternetandspendtoomuchtimeplayingcomputergamesinsteadoflearning.Itdoesnotgoodfortheireyesight.Sotheirparentscomplainaboutcomputersnothelpchildrentostudybutalsomakethemfallbehind.Inmanycompaniescomputersinsteadofworkerstowork.Somanypeoplelosetheirjobs.Somanyworkersthinkcomputersbringthemalotoftrouble.Ifcomputersaregoodforusorbadforusit’shardtosaysoIhopecomputerswillbeusedintherightway.