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【多选题】
以下有关场的描述与设置方法描述正确的是()A.
大部分的广播视频采用两个交换显示的垂直扫描场构成每一帧画面，这叫做交错扫描场
B.
计算机操作系统是以非交错形式显示视频的，它的每一帧画面由一个垂直扫描场完成，电影胶片类似于非交错视频，每次显示整个帧
C.
如果场顺序反转，运动会变得僵持和闪烁
D.
在将光信号转换为电信号的扫描过程中，扫描总是从图像的左上角开始，水平向前进行，同时扫描点也以较慢的速率向下移动
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【简答题】Picasso,the famous Spanish painter,was born in 1881.His father was an art teacher.Picasso began to paint very early.He was admitted to the Royal Academy of Art at the age of 15.After 1900,he spent muc...
【单选题】Nevertheless, Picasso managed a likeness of his subject.
A.
Nevertheless, Picasso managed a resemblance to his subject.
B.
Despite this, Picasso made the subject of his painting likeable.
C.
Despite this, Picasso's subject could be reconstructed from the image he created.
D.
Nonetheless, Picasso's subject remained similar to others he had painted.
【多选题】Picasso and his paintings can be evaluated asfollows:_______________.
A.
Picasso is one of the representatives of realism in western art history.
B.
Picasso is famous for his Cubist painting.
C.
Picasso’s painting is abstract for us to understand.
D.
Picasso’s paintings are unacceptable by the art circle.
E.
Picasso and his paintings are quite influential and well-accepted.
【简答题】等比数列 的前n项和为 ，若 ，则 等于 。
【简答题】Picasso, the famous Spanish painter, was born in 1881. His father was an art teacher. Picasso began to paint very early. He was admitted to the Royal Academy at the age of 15. After 1900, he spent muc...
【简答题】若等比数列 的首项为 ，且 ，则公比等于 。
【简答题】各项均为正数的等比数列 的前 项和为 ，若 ， ，则 等于 ．
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