题目内容

Which one of the following statements is TRUE of the traditional "small data" polls？

A. Traditional pollsters don"t actually asking questions.
B. Traditional pollsters can gel a sense of the race, age, and gender of their samples and make corrections accordingly.
C. Traditional "small data" polls is a better method than "big data" analysis of online conversations.
D. Traditional "small data" polls made more high-profile misses than "big data" polls.

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It can be inferred from the fourth paragraph that______.

A. taking daily multivitamins is not as common a practice among women who are not pregnant as among pregnant women in the United States
B. pregnant women consider taking multivitamin as the most important way to guarantee their nutrition intake
C. women who are not pregnant do not think taking multivitamins can reduce the risk of birth complications
D. pregnant women in the United States believe that taking multivitamins can reduce the risk of birth complications

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Which one of the following statements is TRUE of the traditional "small data" polls？

It can be inferred from the fourth paragraph that______.

环境映射的效果比光线跟踪好,计算量也少很多。()

Phong明暗处理算法先计算出曲面在各多边形顶点处的光强,然后再采用双线性插值方法确定在扫描线上每个像素处的光强值,得到多边形的光滑颜色分布。()

逆序解法的基本概念。