大学英语四级模拟试题十五(附含答案解析)(共17页).doc

精选优质文档-倾情为你奉上大学英语四级模拟题十五一二三四五主观题客观题总分核查人Part I Writing (15) Directions: For this part, you are allowed 30 minutes to write a letter to express your thanks to one of your friends who helped you most when you were in difficulty. You should write at least 120 words but no more than 180 words.Part II Listening Comprehension (25)Section A (17 = 7)Directions: In