如图，直线l₁∥l₂，⊙O与l₁和l₂分别相切于点A和点B，点M和点N分别是l₁和l₂上的动点，MN沿l₁和l₂平移，若⊙O的半径为1，∠AMN＝60°，则下列结论不正确的是（   ）

2014年2月8日中国南极泰山站建成并投入使用。下列关于南极地区的叙述，不正确的是（　　）

阅读短文，根据短文选择正确的答案。

    Uncle Wangworks in 1 bookstore in the middle of the city. The shop is not far from his home. It is about three kilometers (公里) away. So Uncle Wang seldom (很少) 2 to work by bus. He usually goes there 3 bike, sometimes on foot. It takes him ten minutes to get there by bike and forty minutes on foot. Today his bike is broken.  He wants to walk there. Now he is having breakfast. At ten to eight, he leaves home and walks to work.  It's twenty 4 earlier than usual.  His work starts at half past eight in the morning and 5 at a quarter (一刻钟) to five in the afternoon.

“墙角数枝梅，凌寒独自开．遥知不是雪，为有暗香来．”（王安石《梅花》）诗人在远处就能闻到淡淡的梅花香味的原因是（　　）