Unit 1 Computer(计算机)Passage 1 Computer Overview(计算机概述)Passage 2 Personal Computer(个人计算机)Passage 3 Why the PC Will Not Die(为什么个人计算机不会消亡)Passage 4 Intel Corporation(英特尔公司)Passage 5 Microprocessors Upgrading the Way We Live(微处理器改善了我们的生活方式)Unit 2 Operating System(操作系统)Passage 1 Operating System Overview...... 更多