As we all know, Charles Dickens is considered to be a great English writer. He's very famous not only in Britain, but also in many other1 in the world. He was born in 1812 and he lived in London. He wrote lots of books, and he also liked  2. He was an actor.
    Maybe it's interesting to hear that and that's 3 his books were so good. He gave public readings of his stories that were very popular. His stories first appeared in a magazine, in parts. People always wanted 4 part. He wrote a lot, and most of them are popular. There are films and plays of them5: Oliver Twist became a famous musical play, and Great Expectations was a wonderful 6.Dickens’ early life was very hard. His family was poor, and his mother sent him out to work in a factory when he was 12. He7it, but he used his experiences in his writing. He married Catherine Hogarth and they had a big family. He continued to write8he died. When he died in 1870, he was9 a story. But what a pity! We’ll never know 10 it ended.

阅读《水浒传》中的一段话，回答问题。                      
        呸！俺只道那个郑大官人，却原来是杀猪的郑屠。这个腌臜泼才，投托着俺小种经略相公门下做个肉铺户，却原来这等欺负人！你两个且在这里，等洒家去打死了那厮便来。
        说这段话的人物是谁？简要概括与这段话有关的故事情节，并结合这个故事情节说出该人物的主要性格特征。
①人物：________    
②故事情节：_________________
③性格特征：__________________

阅读下文，回答相关问题。

                                                                                                                                    齐王筑城
        齐王一日临朝，顾谓侍臣曰：“吾国介于数强国间，岁苦支备①，今欲调丁壮，筑大城，自东海起，连即墨，经大行，接轩辕，下武关，逶迤四千里，与诸国隔绝。使秦不得窥吾西楚不得窃吾南韩魏不得持吾之左右岂不大利耶?今，百姓筑城，虽有少劳，而异日不复有征戍侵虞之患，可以永逸矣。闻吾下令，孰不欣跃而来耶?艾子对日：今旦大雪，臣趋朝，见路侧有民，裸露僵踣②，望天而歌。臣怪之，问其故。答日：‘大雪应候③，且喜明年人食贱麦，我即今年冻死矣。’正如今日筑城，百姓不知享永逸者当在何人也。
        【注释】①支备：调度战备。支，调度、支付。②踣(b6搏)：跌倒。③应侯：顺应时令。  

已知α∈（π，$\frac{3\mathrm{\pi }}{2}$），sinα=﹣$\frac{3}{5}$，则cosα等于（　　）