单项选择题
一般电影拍出来的长度与剪出来的长度比例约为()。
A.5:1B.6:1C.7:1D.8:1
未知题型 在拍摄过程中导演为了更细致地了解每一个镜头的拍摄状况,借助监控设备的做法叫做( )。
单项选择题 能造成手伤及呼吸困难的电流是( ) A.1~2mA B.15~20mA C.20~25mA D.50mA E.80mA
单项选择题 Your drafts must be accompanied by the following documents, ______ are to be delivered to us against our acceptance of the draft. A.what B.that C.which D.while