Which of the following is NOT a distinctive feature of human language()

单项选择题______是英语教学的重要手段。

单项选择题The settlement is home to nearly 1,000 people, many of（）left their village homes for a better life in the city.

A.whom
B.them
C.which
D.those

单项选择题关于评价，不正确的选项是______。

单项选择题捷克教育家夸美纽斯说过：“教师的嘴是一个源泉，从那里可以产生知识的溪流。”这指的是教师的( )。