人直立行走的那篇，第一个问题： 1. Which of the following statements is NOT true according to the first two paragraphs? 根据前可段，下例那一个不对！ A Many people question the simple human activities of walking and carrying items. 题目问的是哪个不对？后来孙老师解释说A是对的。为何答案还是

答案是A没有错，大多数人对人类直立行走习以为常，并不质疑这种习惯。而A的内容正好与此相反，所以是答案。

多谢孙老师！