【麻烦老师解答:阅读理解.阅读理解.Inyourschool-查字典问答网
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  【麻烦老师解答:阅读理解.阅读理解.Inyourschoolbags,youmayhaveapencil,somekindsofpens,aruler,andsomebooks.Noneofthesethingsgrowinthefields.Theywereallmadeinfactories.And,ofcourse,theywereinventedby】

  麻烦老师解答:阅读理解.

  阅读理解. Inyourschoolbags,youmayhaveapencil,somekindsofpens,aruler,andsomebooks.Noneof

  thesethingsgrowinthefields.Theywereallmade in factories.And,ofcourse,theywereinventedby

  somepeople.Therehavenotalwaysbeenpencilsorpens,a rulerandbooks.Thousandsofyearsago

  nooneknewaboutthesethings.

  Whoinventedthemfirst?Howdidtheyhavesuchcleverideas?Wealwaysdon'tknow.Therehave

  beenmanythousandsofinventions,largeandsmall,inthehumanhistory.Someoftheseinventionshave

  changedtheworld.Suchaspaper,printing,radio,telephoneandcomputer,andweknowtheinventors.

  Butwehaveforgottenmostoftheotherinventors.

  Whoinventedtheclock,forexample, or thelocktothe door? Wedon'tknow.Therehavebeen

  thousandsofinventorsandweshouldgrateful (感激的) to them fortheircleverideas.Willyoubeone

  ofthemwhenyougrowup?1.Mostthingsinyourschoolbagsaremadeof_________.A.paper

  B.wood

  C.metal

  D.nylon2.Theinventorsinventedthesethingsbecause_________. A.theirchildrenwereatschool

  B.theyhopedtosavesomemoney

  C.theyhavealotofcleverideas

  D.theyhavegoodmachines 3.Thehistorybookstellus_________.

  A.whoinventedpaperandprinting

  B.whoinventedclocksanddoors

  C.whenthefirstkeywasinvented &n

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2020-04-08 00:54
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2020-04-08 00:59:18

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