【单选题】She’s never late for class, ______?
【单选题】A typical instant-messaging conversationlasts ________. A.at least one hour B.more than one hour C.at least half an hour D.more than one place
【单选题】—Sally never comes late, ______she? —No. She is always the first one to come to school. [ ]
【简答题】A.Half an hour. B.One hour. C.One hour and a half. D.Two hours.
【单选题】下面模型中属于营销风险计量模型的是( )。
【单选题】Winning a gold medal in the Asian Games is an unforgettable moment for her,________she will never forget. [ ]
【简答题】A.Two hours by train. B.One hour by bus. C.One hour by train. D.One hour by car.
【判断题】MA与CA的区别在于二者控制气体的方式不同