Unit1Howdoyoustudyforatest?SectionAHowdoyoustudyEnglish?HowdoesCathystudyEnglish?SheoftenstudiesbywatchingEnglishmovies.bydoingsth:表示“通过方式、方法”或“借助某种手段”。“靠,用,通过”1.Hemakesalivingbywriting.他以写作为生。2.ByworkinghardImadegreatprogressthisterm.通过刻苦努力,我在本学期取得了巨大的进步。3.Wehelpedthosepoorpeoplebygivingthemsomemoneyandfood.by的其他用法1.Iliveby/neart...