【单选题】He asked ______ for the piano.
【单选题】----What did he say? ----He asked ______ for the book.
【单选题】— _____ your holiday? —It was pretty good. [ ]
【判断题】排污阀的作用是排放锅内的沉积物和含盐高的锅水
【简答题】听力原文:How did John usually go to school? How did John usually go to school? He was sent to school by ______
【判断题】如果一个派生类从多个基类中派生,而这些基类又有一个共同的基类,则在这个派生类中访问这个共同基类中的成员时会产生二义性。
【判断题】急性化脓性中耳炎的体征变化会出现鼓膜内陷。