【判断题】为了防止汽车在行驶过程中各弹簧片分开,在钢板弹簧上装有若干弹簧夹,以免主片独自承载。
【简答题】听下面一段对话,回答第1-3题。 1. Why was the flight delayed? A. A storm had come. B. The weather was too cold. C. Some passengers missed their baggage. 2. How long has the flight last? A. For seven hours. B. For t...
【判断题】俄罗斯族的主要宗教是东正教,其次是伊斯兰教。
【简答题】What was the baggage carried by the frightened pony?
【单选题】第一次用计算机证明数学定理发生在1972年,主要是证明()。