题目

等腰三角形的底角是75°,顶角是（____）,等边三角形的每个内角都是（____）。 答案：【答案】30° 60° 【解析】略 根据句意和提示写出单词，完成句子。 －You've visited the exhibition．What do you think of it? －Excellent! I think it's well worth ________(visit), and you're sure to learn a lot from it．