【判断题】对不同层次的商品小件商品、箱装商品、托盘装商品要采用不同的拣货路径。( )
【判断题】测量工作的实质就是确定点的平面位置和该点的高程
【简答题】a lad of about nine, had had the side of (10) ____ face blown away
【单选题】The boys ___ duty wipe the tables.
【单选题】The lad spent seven years as ______ to a -builder so that he might learn the trade.
【判断题】测量工作的实质就是确定地面点的平面位置和高低位置。