【单选题】---____ is this coat ? --- 40 yuan.
【单选题】-Is this coat yours? -No, mine _____ there behind the door. [ ]
【单选题】对于告知的形式,我国一般采取 ( ) 方式。
【判断题】由于同步信号迭加在视频信号的最顶端,因此可以利用幅度切割电路将同步信号取出。
【单选题】选择题。 — ____ is this coat? — $ 40. [ ]
【单选题】-Whose is this coat? -It's _____. [ ]
【单选题】Is this coat ______________? [ ]