Что думаешь? Оцени!
Hard difficulty hints, answers for March 5 PipsNumber (1): Everything in this space must add up to 1. The answer is 6-1, placed horizontally.
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
In the 1950s, legendary behaviorist B.F. Skinner debuted his version of a “teaching machine,” based on the 1924 invention of Ohio State University psychology professor Sidney Pressey. The contraption was loaded with a piece of paper with questions, and students pressed keys indicating the correct answer, at which point another question would appear. Both Pressey and Skinner ran into similar problems, though, failing to implement the technology in schools. Educators weren’t convinced of the machine’s benefit, which prioritized individually paced learning not conducive to students of the same age moving through a grade level at the same time.
然而，因核計劃遭受制裁，使該國落入「高通膨、低就業、實質GDP成長低迷或為零」的惡性組合，最終導致家庭生活水準下滑。