1、问题: One rule that must always be followed in constructing frequency distributions is that __.
选项：
A:adjacent classes must not overlap
B:the midpoint of each class must be a whole number
C:the width of each class is equal to the range
D:the number of intervals must be an odd number
答案: 【adjacent classes must not overlap】 点我阅读全文
1、 问题:
半蹲的主要动作有（ ）。
选项：
A:一位半蹲、二位半蹲、五位半蹲
B:一位半蹲、五位半蹲、六位半蹲
C:二位半蹲、三位半蹲、五位半蹲
D:二位半蹲、五位半蹲、六位半蹲
答案: 【一位半蹲、二位半蹲、五位半蹲】 点我阅读全文
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-03-02到2020-08-31
本篇答案更新状态:已完结
1、 问题:Go through the passage “Body Language” within 1 minute, and answer the question that follows. (Tips: Read the first sentence of each paragraph.)Body Language What does scientific literature tell us about the idea that body language reflects our real feelings? One experiment carried out about 10 years ago by Ross Buck from Carnegie-Mellon University in Pennsylvania suggests that spontaneous facial expression is not a very good index of real emotional state. Buck and his colleagues tested the accuracy with which people could identify the emotions felt by another person. They presented one set of subjects with color slides involving a variety of emotionally-loaded visual stimuli – such as "scenic" slides (landscapes, etc), "maternal" slides (mothers and young children), disgusting slides (severe facial injuries and burns) and unusual slides (art objects). 点我阅读全文
