全国卷说明文

下图梳理了2020年全国卷二B篇研究报告类说明文，包括研究主题、研究方法、研究过程、研究新发现、研究应用等。

2020年全国卷II B篇 说明文——研究报告类

• 研究主题
  • Puzzles can help children with math-related skills,especially spatial skills.
• 研究方法
  • 数据
    • 53 pairs，between 26 and 46 months of age，54 months of age
  • 被试
    • 53 child-parent pairs
  • 方法
    • Experiment
• 研究过程
  • Chose 53 child-parent pairs and record their everyday activities at home
  • Assessed the children at 54 months of age
  • Analyzed the video recordings and got the finding
  • The parents were asked to interact with their children as they normally would
  • Controlled for differences in parents’ income, education and the amount of parent talk.
• 研究新发现
  • The children who played with puzzles performed better than those who did not.
  • Higher-income parents tended to have children play with puzzles more frequently
  • Both boys and girls who played with puzzles had better spatial skills.
  • Boys tended to play with more complex puzzles than girls.
  • The parents of boys provided more spatial language and were more active during puzzle play than parents of girls.
• 研究应用
  • The findings were published in the journal Developmental Science.
• 57.What is the text mainly about? 考查文体
• 56.How do boy differ from girls in puzzle play?
• 55.What did Levine take into consideration when designing her experiment？
• 54.In which aspect do children benefit from puzzle play?