【多选题】世界上三大饮料是指___________、____________、____________。
【单选题】Ms Jones plans _______ her vacation in China.
【简答题】A.She is worried her husband will spend too much time away from home. B.She is afraid her husband will become a fitness freak. C.She is concerned about her husband's health. D.She is worried her husba...
【多选题】世界上三大饮料是指___________、____________、____________。
【简答题】A.She is worried her husband will spend too much time away from home. B.She is afraid her husband will become a fitness freak. C.She is concerned about her husband's health. D.She is worded about her ...
【单选题】( )是指在数据通信过程中发现或纠正差错,把差错控制在尽可能小的范围。