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【多选题】
( )以下关于推镜头的描述中,正确的有?A.
摄像机沿光轴方向向前移动拍摄
B.
画面效果表现为同一对象由远至近或一个对象到另一个对象的变化
C.
可用变焦距镜头，从短焦距变到长焦距
D.
推镜头具有主观镜头特性，代表剧中人主观视线，因些拍摄用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】I wish that you_____such a bad headache because I'm sure that you would have enjoyed the concert.
A.
hadn' t
B.
didn' t have had
C.
hadn' t had
D.
hadn' t have
【单选题】I wish that you ____ such a bad headache because I am sure that you would have enjoyed the concert
A.
had not
B.
did not have had
C.
hadn ’ t had
D.
hadn ’ t have
【简答题】下列哪种疾病的病人不需要留置导尿
【简答题】曲线【图片】的渐近线有________条。
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