已知∠A为锐角，且cosA≤$\frac{1}{2}$，那么∠A的范围是____ 

下列关于台湾的叙述，正确的是（　　）

①西部平原地区水稻种植普遍；②四季鲜果不断，有热带、亚热带“水果之乡”的美称；

③台湾旅游业发达，已成为其经济的重要支柱；④高雄是台湾的最大城市和最大港口．

阅读理解，判断对错

      Simon is a good boy. Today is Sunday and it is fine, so Simon's father takes him to visit the Great Wall. The Great Wall is far away from his home. So they are going there by bus. The Great Wall is about six thousand seven hundred kilometres. It's very long and great. Simon is very happy and his father is happy, too.

____.