【单选题】He hasn't yzed why he tips so generously, but I think the proclivity stems from his high school years, when he worked as a busboy.
【单选题】— Tom doesn’t seem so enthusiastic as he was two years ago. — Yes. He’s really reached a point in his career ______ he has to decide what to do next.
【简答题】组合模式实现的最关键的地方是--____对象和____对象必须实现相同的接口.
【多选题】关于刷牙的正确说法包括
B.
刷牙时应将牙刷毛束尖端放在牙龈和牙冠交界处,稍微按摩牙龈
【单选题】“過邯鄲,聞貴婦人”中的“ 過 ”意思是( )