第一部分 阅读理解（共10小题；每小题3分，满分30分）
阅读下列短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项。
A
For teenagers,it’s great fun to explore new places and it feels like an adventure,even when you know you’re not the first to have been there.But to make sure not to get lost or waste time going round in circles,the following tips may be helpful.
