In the future, it will be possible to use virtual reality to bring the dead back to life. People will drag out their old and boring home movies and choose a relative to bring back to life. The visual will be combined with records about that person to create a virtual relative. In time, more advanced computers will be able to suggest innovative alternatives, recognize patterns, and be creative. They will develop intuition and be able to respond to feelings in a feeling way. They will be able to think as well as or better than the human mind. Once one of you is duplicated, you will just have to press control "D" and you will have two of you, unless you have placed yourself on a clipboard, then press control "V". If you want 500, select 500. 2. Doing vocabulary exercises

To discover and use useful words and expressions turn to page 19. Do vocabulary exercises 1 & 2. Check your work against your neighbor's. Just write your answers in the blank on the page.

3. Studying The Past Participle as the Adverbial具副词功能的过去分词短语

和现在分词及短语一样，过去分词（past participles）或过去分词短语（past participial phrases）也可以充当副词，修饰谓语动词。

过去分词短语可以表达下列四种意思：

（1）方法或活动方式，如：

● He walked up and down, lost in thought.

● I sat before the desk until after mid-night, absorbed in writing.

● Surrounded by a host of fans, the film star left the airport excitedly.

（2）原因，如：

● Greatly disappointed, some staff decided to leave the place.

● Taken by surprise, the enemy surrendered.

（3）时间，如：

● Born and bred in a turbulent age, the older generation of people experienced all sorts of hardships.

● Thrown to the floor, the boy regained his footing a few minutes later.

（4）条件，如：

● Given more time, the slow learners would have done better.

● Criticized by someone else, Tony would not have flared up like that.

除了直接修饰动词之外，过去分词或短语也可以和连词合组成短语，表示下列四种意思：

（1）由 when, whenever, while, until 等连词引导，表示" 时间"，如：

● When asked about his previous job, Bill said he had been a motor mechanic.

● Susan seldom speaks in class until spoken to.

（2）由 where, wherever 连词引导，表示"地点"，如：

● Mosquitoes should be completely exterminated where found.