World Almanac Book Stg 2 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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发表于2024-11-23

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World Almanac Book Stg 2 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

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An odd characteristic of the learning process of children is known as U-shaped behavior. Very young childrenï¼Œ even the newbornï¼Œ have special abilities which they spontaneously seem to forget in middle childhood and have to "relearn" as they grow older. This behavior is termed U-shaped after the up-down-up form of the graph of the child s development. Probably the most widely known U-shaped phenomenon is the ability to walk. Newborn infants can walk if properly supportedï¼Œ but this capacity disappears within a month or two of birth. It does not reappear again until the infant is about a year old. U-shaped behavior also is apparent in speaking. When children first begin to tatk__ tko__ï¼Œ~ _ --~-~-~ s ~ ~affa past tenses correcfl~. Tloward Gardtterï¼Œ a ctevelopme~xta~ psychologist at Harvard Universityï¼Œ .gave the following ex- ample of this (see The New York Timesï¼Œ September 25ï¼Œ 1979ï¼Œ p. C3): Children ~vill sayï¼Œ for instanceï¼Œ "the mice came." Month~ laterï¼Œ they~ill make mistakesï¼Œ howeverï¼Œ saying "the mouses came" orf ~the mice corned." Proper usage does not usually return until the age of 3 or 4.

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