1、那城市有许多现代化的工厂、医院和学校，呈现一种新的面貌。
2、秋天是美丽的季节，我们到外面走走吧。
參考答案:1.The city that/which has many modern factories, hospitals and schools takes on a new look或With many modern factories, hospitals and schools in it,the city takes on a new look.
2.Autumn is a beautiful season.Let's walk outside.