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【单选题】
JPEG 基本系统中,选用 JPEG 核心标准操作模式是()A.
基于 DCT 的顺序型操作模式
B.
基于 DCT 的渐进型操作模式
C.
基于 DPCM 的无损编码操作模式
D.
基于多分辨率编码的操作模式
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【简答题】影响发动机异响的因素有哪些?
【简答题】It was New Year’s Night. An aged man was standing at a window. He raised his mournful eyes towards the deep blue sky, where the stars were floating like white lilies on the suce of a clear calm lak...
【单选题】I saw an old man was standing at the corner, with a hat in his hand,____ handouts（施舍物）
A.
waited for given
B.
waiting for being giving
C.
waited to be given
D.
waiting to be given
【单选题】A giant of a man was standing in the doorway. His face was almost completely hidden by a long and untidy hair and a wild beard, but you ______ make out his eyes, shining like black beetles under all t...
A.
might
B.
could
C.
should
D.
would
【单选题】Tom found a bridge ______ the river, and a man was standing on it.
A.
on
B.
over
C.
under
D.
in
【简答题】It was New Year’s Night. An aged man was standing at a window. He raised his mournful eyes towards the deep blue sky, where the stars were floating like white lilies on the suce of a clear calm lak...
【简答题】完形填空。 One day a young man was standing in the middle of the town proclaiming that he had the most beautiful heart in the whole valley. A large crowd gathered. and they all admired his heart for it was...
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【单选题】Tom found a bridge ______ the river, and a man was standing on it.
A.
on
B.
over
C.
under
D.
in
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