精选优质文档-倾情为你奉上2015年6月英语六级真题及答案(第一套)Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write an essay commenting on the saying Knowledge is a treasure, but practice is the key to it.” You can give an example or two to illustrate your point of view. You should write at least 150 words but no more than 200 words.