【大学英语四级听写训练精选新题型】蔡桂芳编.pdf

【大学英语四级听写训练精选新题型】蔡桂芳编.pdf

大学英语 四级听写训练精选(新题型)蔡桂芳编 王兴国审目录 第一部分听写试题第二部分答案和原文Computers have been designedSome havevoices.Storesusecomputers tokeep records of theirinventories Offices use computers to type letters, record businessPeopleintheirhomesto keep track of expenses and turn appliances on and off.