【判断题】( )中型宴会无论将餐桌摆放成哪种形状,均应注意突出主席台,一般为一主、两副组成。
【判断题】基本共基放大电路中,三极管的发射结正偏,集电结反偏,电路才能工作在放大区。A. 对 B. 错
【简答题】But there are signs that the area is getting more tourism than it can handle.
【单选题】There are signs ______ restaurants are becoming more popular with families.
【单选题】There are signs ( ) they are cheating us.
【简答题】But there are signs that the area is getting more tourists than it can handle.
【判断题】反射结正偏,集电结反偏,三极管才有放大功能