短文改错。

    Jim Green teaches our ____ English. He has been in China for more than two year____. He has been to many interesting places in Beijing, and____  he has not yet been to many others ____ parts of China. Last week he goes ____ to Mount Emei in Sichuan Province with his family. Many people like travel ____ by air, but Jim ____ family think that traveling by train is the best. It is much cheap ____ and far more enjoyable than a rushing trip by air. He ____ had a wonderful train ride to Chengdu after ____ they went to Mount Emei by bus.

“晓驾炭车辗冰辙”中的“辗”有什么表达作用？

下列有关辛亥革命伟大历史意义的表述，其中不正确的一项是（   ）