城市房屋拆迁估价是评估被拆迁房屋的公开房地产市场价值，应当考虑房屋租赁、查封等影响。（）
参考答案：错
Not until ___ to do my homework ____ how much time I had wasted playing computer games. [ ]
A. I began; I realized
B. I began; did I realize
C. did I begin; I realized
D. did I begin; did I realize
用铁管、滚木等滚动的方法装卸木箱包装的设备时，铁管或滚木的直径不得大于（）。
A、50mm
B、60mm
C、65mm
D、70mm
