【简答题】When and where were the memos published?
【单选题】—Such a stupid mistake could have been avoided. —Unfortunately, he______the mistake again and again.
【简答题】When and where were the two World Expositions held respectively in China?
【单选题】正立投影面与侧立投影面相交的交线是( )轴
【判断题】The author often wondered about her own folk and where they were and how they looked and at what they played when she grew into a bigger child.
【判断题】So striking, so sensational, was the news that, years after the event, many people can still remember exactly where they were and what they were doing when they first heard it. The above inverted sent...
【单选题】人工挖孔桩,长钢套管护壁 , 1~3 根桩、条形桩基沿垂直轴线方向和群桩基础中的边桩 ,桩位的允许偏差()
【单选题】---That must be a mistake. ---No, it ___ a mistake.