【单选题】Ann has a fine reputation for being an old hand ______ cooking Italian food.
【判断题】变压器一次侧感应电势e1与二次侧感应电势e2的比值只与一次绕组和二次绕组的匝数有关。
【简答题】Ann has decided to be a great inventor when she grows up.(改为同义句) Ann has _____a _____to be a great inventor when she grows up.
【单选题】Ann has a fine reputation for being an old hand __________ cooking Italian food.
【简答题】e1与e2的比值只与一次绕组和二次绕组的 [填空(1)] 有关。A. 匝数
【判断题】过渡金属的 d 带空穴数越多,其成键能力越强,催化活性越高。
【简答题】Ann has a fine reputation for being an old hand cooking Italian food.