[简答题]Directions: For this part, you are supposed to write an essay in English in 100—120 words based on the following information. Remember to write it neatly.你叫李平，是英语系学生会主席。写一封信给王教授，请他做一个有关中国历史的报告。注意信中要包括目的、时间、日期和地点。