问答题 Suppose you are writing an essay of about 400 words on this topic: “Why Do You Think the Celebration of the 30th Anniversary of the International Friendly Exchange Should Be Held in Nanjing This Year?” You should argue from the following three aspects: history; city and culture (30 points) a) Write the introductory paragraph of this essay. This paragraph should contain a thesis statement and should not be too long. b) Write down the topic sentences for the three body paragraphs. c) Write out the entire paragraph that presents you most important argument. The paragraph should have a topic sentence and should have supporting evidence. It should not be too long. (Note the entire essay is only about 400 words.) (Warning: you will not get any score if you write out the entire essay.)