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發表於:2019-09-11
問題詳情:Itjustmaybetheworld’smostcostlyvacuumcleaner(吸塵器).ThepriceofCleanSpaceOneiselevenmilliondollars.Butyet,ithasabigjobtodo.Recently,researchersinSwitzerlandsaidt...
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發表於:2019-08-06
問題詳情: Whatisthefirstthingyounoticewhenyouwalkintoashop?Theproductsdisplayed(展示)at theentrance?Orthesoftbackgroundmusic?Buthaveyouevernoticedthesmell?Unlessitisbad,t...
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發表於:2021-11-09
問題詳情:WhatdoyouthinkoftheideaMr.Smithputforward theproductioncost? A.toreduce B.reducing C.reduced D.toreducing【回答】A知識點:非...