【文章大意】本文是一篇议论文。成年人常常惊叹他们能很好地记着儿时学过的东西。作者认为这是儿时过度学习的结果，是因为当我们儿时学会一样东西的时候，我们不是就此停止，而是继续练习，才使我们记忆深刻。文章用例证法说明了“过度学习”的概念。 最后作者谈到了“过度学习”的好处和突击学习的弊端。
67. What is the main idea of paragraph 1?
A. People remember well what they learned in childhood.
B. Children have a better memory than grown-ups.
C. Poem reading is a good way to learn words.
D. Stories for children are easy to remember.
