新东方优美短文背诵 Unit19:Children s Numerical Skills
新东方优美背诵短文50篇 Unit19:Children s Numerical Skills 19 children’s numerical skills people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to walk and talk, they can set the table with impress accuracy&#...