【单选题】Italy Germany in the final
【单选题】A: Where is your sales manager, Jessica? B: She’s not here. She to Beijing to attend a meeting. She left this morning.
【简答题】在深度负反馈时Af≈1/F,和管子参数几乎无关。因此,可以任选管子。
【单选题】She said that she ( )to Beijing.
【简答题】举例说明幼儿游戏的特征和教育作用。(8分)