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【单选题】
预测它的下一个像素的可能值，再求两者差，对这种具有预测性质的差值 ，就可以达到压缩的目的。 （ ）A.
抽样，量化
B.
量化，编码
C.
抽样，编码
D.
量化，变换
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【简答题】When do most Chinese students start to learn English ?
【简答题】When do most Chinese students start to learn English?
【简答题】阅读理解。 Ten years ago, most Chinese agers chose politicians (政治家) as their idols. Who do they admire today? According to a survey released by Beijing Normal University, their top three choices are t...
【简答题】Ten years ago, most Chinese agers chose politicians (政治家) as their idols（崇拜者）. Who do they admire(崇拜) today？ According to a survey released by Beijing Normal University, their top three choices ar...
【单选题】What does the word 'a claim' (Line 3, Last Paragraph) refer to?
A.
People are satisfied with what they have now.
B.
Economic growth has brought enough for us.
C.
People are willing to reduce inequality.
D.
Rich rewards will stimulate innovation.
【单选题】听力原文：M: What do you think of the government's new tax cut proposal? W: Though it may give some benefit to the poor, its key component is the elimination of tax on dividends. That means the rich will g...
A.
It will reduce government revenues.
B.
It will stimulate business activities.
C.
It will mainly benefit the wealthy.
D.
It will cut the stockholders' dividends.
【多选题】Which job did most of the Chinese immigrates do when they came to America in 19th century?
A.
work in the planation
B.
mining gold
C.
railroad building
D.
business
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