【简答题】【消耗次数：1】
按照数据的还原度压缩分为哪两大类？列举对应的压缩编码有哪些？
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中国的主食主要是哪两大类[填空][填空]
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The great noise produced by the machine will sooner or later do ____ to the workers’ hearing.
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damage
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help
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wrong
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harm
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The seller gave men a thirty percent ____on the shirt. Don’t you think it’s a good bargain?
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discount
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treatment
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decrease
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favor
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It is a waste of time ____with such a silly fellow.
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trying to reason
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tried to reason
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for trying to reason
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to trying reasoning
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We once heard Bill Gates say in an interview that to become truly successful in business, one has to be prepared to ____ risks.
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get
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take
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do
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have
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8. ____ I realized the consequences, I would never have contemplated getting involved..
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Had
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If
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When
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Unless
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15. If you want to change for a blue shirt, youll have to pay ____ $ 10.
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another
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other
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more
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“If she could sew, she____ herself a shirt.”
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would have made
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will make
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had made
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made
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30. -May I borrow these three magazines? -____. You may keep them for two weeks.
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Of course not
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By all means
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I’m afraid not
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It’s up to you
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ourselves
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himself
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myself
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herself
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rains
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will rain
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is going to rain
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is to rain