下面关于胶体的叙述不正确的（      ）

针对皇帝强烈地反对某条约的某条款，大学士桂良告诉皇帝说：“夷人最怕花钱，任其自备资斧；又畏风尘，驻之（北京）无益，必将自去。”此事发生在（   ）

海涅说：“生命不可能从谎言中开出灿烂的鲜花。”巴尔扎克说：“遵守诺言就像保卫你的荣誉一样。”下列对这两句名言理解正确的是（  ）

①诚实是美好品德的核心，是各种良好品格的基础      ②人一旦许下诺言，就要忠实地履行承诺

③“善意的谎言”违背了诚实的品德                                   ④信守诺言，履行约定，才能获得他人的信任与尊重

某无色废水中可能含有Fe³⁺、Al³⁺、Mg²⁺、Na⁺、NO₃^﹣、Cl^﹣、SO₄^2﹣离子中的几种，为分析其成分，分别取废水样品100mL，进行了三组实验，其操作和有关现象如图：

回答下列问题：

完形填空A
    Once upon a time, there was a lazy poor man living in a small house with spider webs(网) on the walls and mice running around. People1coming into such a dirty place and the poor man was lonely and2 every day. He thought he was unhappy 3poverty(贫穷).
    One day, the poor man dropped in on4wise old man and asked him for advice about5his life. The old man gave him a vase and said, "This is a magic vase6will bring you 7.
    The poor man looked at the vase 8 He wondered 9a vase in his poor house.10 ，he didn't want to throw away such a beautiful vase, so he brought it home and put it on the table. "11not right for something 12beautiful to be empty." The poor old man looked at the vase and thought. Then some flowers 13into it. That made the vase even14 "How can I have the vase next to a spider web?" he continued. At this, he started to clean the house and paint the walls. His house turned 15 a comfortable place immediately.
    The old man cheered up and he suddenly realized why he was unhappy. From then on, he worked hard and his life got better and better.