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PETS证书优势
成人学历英语
PETS-3可免考自考（二）、网络教育、夜大电大英语科目
本科学位英语
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PETS-3可免考成人高考英语考试
公务员英语
PETS-3可免考公务员英语考试
CURRICULUM PLAN
| 阶段 | 内容 | 课程 |
|---|---|---|
| 精讲班 | 公共英语一级精讲班 | 28课时 |
| 公共英语二级精讲班 | 56课时 | |
| 公共英语三级精讲班 | 80课时 | |
| 公共英语四级精讲班 | 54课时 | |
| 课课练 | 公共英语一级习题班 | 28课时 |
| 公共英语二级习题班 | 56课时 | |
| 公共英语三级习题班 | 60课时 | |
| 公共英语四级习题班 | 77课时 | |
| 真题解析班 | 公共英语一级真题解析班 | 35课时 |
| 公共英语二级真题解析班 | 55课时 | |
| 公共英语三级真题解析班 | 72课时 | |
| 公共英语四级真题解析班 | 22课时 | |
| 口试常见话题 | 公共英语一级（口试常见话题）考点解析班 | 19课时 |
| 公共英语二级（口试常见话题）考点解析班 | 20课时 | |
| 公共英语三级（口试常见话题）考点解析班 | 13课时 | |
| 公共英语四级（口试常见话题）考点解析班 | 15课时 |
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Today, the computer industry is a commodity, standards-driven marketplace. Computer “manufactures” are really just assembles. They buy processors from one, software, disks, memories, from other sources, and assemble them into systems. The competition is fierce and the profit margins are slim. In terms of the basic specs—speed, memory, and storage—what we now define as a “complete system” for home use would have made a wealthy technical guru tremble with jealousy ten years ago.
Basically, “Moore’s law” plus software inflation mean today’s computer system will not last. And the new versions of software will make your equipment painfully slow in two years, and obsolete in four. To stay compatible with other people with whom you have to share files, you should invest time learning about these add-ons gadgets, etc. to upgrade your system. Thus you can make full use of the shopping resources on the Internet, and save again
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