“……你可别吃醋啊……”平时经常听到这样的调侃用语，“吃醋”一词不是真正的吃了“醋”这种食物，而是比喻某种情感的体验。但中国确实有个地方的居民口味偏酸，以能“吃醋”闻名。这个地方的居民主要生活在哪个省区    (    )

句型转换
____ She often does her homework at night. (变为否定句)
She                              her homework at night.
____ We are cleaning our classroom now. (对划线部分提问)
                  you          now?
____ He likes pandas because they are very cute. (对划线部分提问)
                he        pandas?
____ I think he is in the classroom.（改为否定句）
I        think he        in the classroom.
____ Mr Black is a doctor.（对划线部分提问）
                Mr Black         ?

恩格斯说，罗马法“是商品生产者社会的第一个世界性法律”。对这句话的正确理解是（   ）

求：