包络检波器中用来取出调制信号的滤波器是高通滤波器。
参考答案：错
—What is your English teacher like?
—________. [ ]
A. She likes fruit and vegetables.
B. She is fine
C. She is very kind
《窗边的小豆豆》中巴学园运动会的奖品都是（）。
