【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