It is Saturday morning. Mrs. Black and her daughter Kate go to the bookshop near their house. Mrs. Black wants to buy some picture books for her grandson. Kate wants to buy some storybooks. In the bookshop Kate meets her old classmate, Sue. They are good friends. They talk and talk for a long time and forge to buy books. At twelve o'clock Mrs. Black finds them and asks Sue to go and have lunch in their house, Sue says: “Yes.” The two girls are very happy.

①一阵雨雾把树叶、草和花上的尘土淋得干干净净。（改成“被”字句）

②这下面都有自来水管，还需要浇水？（换个说法，意思不变）

③金华双龙洞的奇特风景，真值得我们欣赏和访问。（修改病句）

④“六一”那天，我踏着轻松的步伐，兴奋的心情来到了学校参加庆祝活动。（修改病句）

⑤老师和我们在操场上做老鹰捉小鸡。（修改病句）

⑥王雨明确了学习目的和学习习惯。（修改病句）

阅读下列材料：
材料一：人生来而且始终是自由的，在权利上是平等的……这些权利就是自由、财产、安全和反抗压迫。
材料二：法律是公共意志的表现……所有公民都有权亲自或经过代表参与制定法律……在法律面前人人平等……故他们都能按其能力担任一切官职、公共职位和职务。
请回答：
(1)上述两则材料均出自哪一著名的历史文献?它是在怎样的背景下颁布的?
(2)材料一和材料二分别强调了什么?你是如何看待这些内容的?