若甲、乙二地的图上距离为2厘米，则实际距离为（    ）

（2015•舟山）如图，直线l₁∥l₂∥l₃，直线AC分别交l₁，l₂，l₃于点A，B，C，直线DF分别交l₁，l₂，l₃于点D，E，F，AC与DF相交于点G，且AG=2，GB=1，BC=5，则$\frac{DE}{EF}$的值为（　　）

⑴Where are you?____                                                         A. I'm talking to my friend.

⑵Excuse me. Where is the supermarket, please?____        B. I'm behind the tree.

⑶Thank you.____                                                                C. Turn left.

⑷Where is the train?  ____                                                  D. It's at the station.

⑸What are you doing?____                                                E. You are welcome.