解析：C　考查推理判断。通读全文可知，第一段“Since the vacation season is over, it's time to start thinking about ways to improve your travel quality — your ability to get around without looking like a foolish tourist — before your next trip.”为全文的主题句。结合文章内容可知，本文主要介绍了提高自己旅游素养的三个方法：读书，在社交媒体上寻找吸引你的旅游团体，学习语言。C项正确。

2．How does Tiffany Burnette learn new travel skills?

A．By reading travel books.

B．By connecting with travel groups.

C．By working on languages.

D．By running a travel company.

解析：B　考查细节理解。根据第三段“That's what Tiffany Burnette, who runs a design company in Philadelphia, does between trips. She spends time on the website's travel groups connecting with new friends and learning new travel skills.”可知，Tiffany Burnette把时间花在网站上的旅游团体上，与新朋友建立联系，学习新的旅游技能。据此可知，Tiffany Burnette是通过联系旅游团体学习旅游技能的，故B项正确。