【单选题】(1)Tina’s father is an overly cautious parent. (2)He wants to know where she is every minute, and he won’t let her drive his car _____ she is 20.
【单选题】根据计算机的发展历程,第二代电子计算机是以__为基本电子元件的计算机。
【单选题】Tina’s cousin is _______ violinist. He can play _______ violin very well.
【单选题】Tina’s house is a beautiful building ______a big garden.
【判断题】当原料的影子价格高于市场价格时,工厂应大量卖出此原料。