【单选题】【消耗次数：1】
某地区为了掌握该地区水泥生产的质量情况，拟对占该地区水泥总产量80%的5个大型水泥厂的生产情况进行调查，这种调查方式是（）。
①
普查
②
典型调查
③
抽样调查
④
重点调查
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相关题目
【单选题】
某地区为了掌握该地区水泥生产的质量情况，拟对占该地区水泥总产量80%的5个大型水泥厂的生产情况进行调查，这种调查方式是
①
普查
②
典型调查
③
抽样调查
④
重点调查
【单选题】
为了掌握某地区石灰生产的质量情况，该地区相关部门拟对占该地区石灰总产量90%的五个大型石灰厂生产情况进行调查，这种调查方式属于( )。
①
普查
②
典型调查
③
抽样调查
④
重点调查
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having lost
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losing
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to be lost
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lost
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Walking or sleeping
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Walking or slept
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Having walked or slept
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to laugh; hearing
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laughing, heard
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laughing; hear
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laughed; heard
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to fix
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fixed
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it marked
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marking
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marked
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to mark
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to sit; tying
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sitting; tying
③
seating; tied
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seated; tied
【单选题】
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①
to have discovered
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to have been discovered
③
to discover
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having been discovered
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①
to change; to be
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to change; being
③
changing; being
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changing; to be
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①
that you finish quickly
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finishing quickly
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to finish quickly
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finish quickly
【单选题】
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①
to train properly
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③
properly to train
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trained properly