试题题干
The best-known reformer in the mid-19th century is（ ），who developed an approach to teaching a foreign language on the basis of his observations of child first language learning.
参考答案
正确答案：
试题解析
19世纪中期最著名的改革者是F. Gouin，他在观察儿童第一语言学习的基础上发展了一种外语教学方法。