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第1题

在实验设计中要确定样本含量，必须先定出：（） A.第一类误差 B.第二类误差 C.把握度 D.第一类误差和把握度
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第2题

10 [翻译题,10分] It is obvious that television has both advantages and disadvantages. In the first place, television is n
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第3题

9 [翻译题,10分] China’s economy is developing very quickly, and has brought with it a culture of consumption more prevale
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第4题

8 [翻译题,10分] In the past seven years, China’s real estate（房地产）industry has developed in a record high speed. For those
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