oubles.Asstudents,.参考答案:1-5DDAAD?6-10CBBDC?11-15CDBDB16-20DABBC?21-25CABBC 26-D31-35BCADD?36.invent 37.geography?38.hero 39.spoon 40.camel41.covered?42.dangerous?43.twentieth?44.standout?45.Pollution?46.Theymadeallthekitesbyhand47.Didyouthrowawaytherubbish48.Don’tparkyourcarbythesidewalk49.Howlonghavetheybeenabroad50.Shesaidshehadfinishedthework51-55DABEC?56.twentieth?57.happy 58.sending 59.funny 60.cut 61.interesting?62.named 63.really 64.reading 65.hear?66-70DGABEOnepossibleversion:Inthemodernworld,eintoourlife.asatoolfortheirstudies..toreadnewsorsende-mails.Buteverycoinhastwosides.Somestudentsspendtoomuchtimeplayingonlinegamesandchattingwithfriends.Theyarenotinterestedintheirstudies.Atthesametime,eweakerandweakerinbody.Inaword,bringsusnotonlyalotofconveniencebutalsotroubles.Asstudents,.
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