The use of PowerPoint has gained popularity in class nowadays. More and more teachers are using PowerPoint in their classes， no matter in primary schools， high schools or universities. Some students love it， some don’t. Indeed， not all teachers， students even parents hold the same opinion， as they focus on the different perspectives of the PPT.
今天小编来给大家讲一讲各位来自灵魂深处的疑问四六级这些题到底都哪儿来的啊!？如果要是知道了四六级试题的题源是不是就是知道了出题人的出题来源也就是说？？？四六级备考的时候就不会无从下手？说不定做题的时候还能看到原文？
position /pə'ziʃn/ n. 位置，职位，职务。predecessor /'pri:disesə/ n. 前任，原有的事物。premise /'premis/ n. 前提，假设。prescription /pri'skripʃn/ n. 处方。preservation /ˌprezə'veiʃn/ n. 保护，防护。prestige /pre'sti:ʒ/ n. 威信，威望。priority /prai'ɒrəti/ n. 优先。prospect /'prɒspekt/ n. 前景，可能性。
2019年12月四级真题第一套Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write a letter to a foreign friend who wa
