设A、B、C为任意三事件，事件A、B、C至少有一个发生被表示为()
A、AD
暂无解析
Alltheir__havebeenshownupbytheirowndeeds.
EinsteinwontheNobelPrizein1921andenjoyedgreatfameinGermanyuntiltheriseofNazism____hewasexpelledfromGermanybecausehewasaJew.
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
Ithink____importanttolearnEnglishwell.
Youmustpayimport____oncertaingoodsbroughtintothiscountry.
