【判断题】电力机车距接触网终点或停电的接触网必须保持不少于20m的安全距离。
【单选题】Don’t forget to ______ the lights and the TV in the sitting room before going to bed.
【单选题】I heard the baby crying in the sitting room.
【简答题】I
heard the baby crying in the sitting room.
【判断题】在 Win 7 系统中,文件的类型可以根据 文件扩展名来识别
【简答题】电力机车距接触网终点或停电的接触网必须保持不少于()m的安全距离。防止电力机车进入无电区。
【单选题】Peter ______ his breath in wonder when he saw the Christmas tree in the sitting room.
【单选题】电力机车距接触网终点或停电的接触网必须保持不少于()m的安全距离。防止电力机车进入无电区
【单选题】The lady in the sitting room be over sixty. She looks so young.
【单选题】I heard the baby crying in the sitting room.