题目

Do you want to live forever? By the year 2050,you might actually get your wish-if you are willing to leave your biological body and live in silicon circuits (半导体电路). But long before then, perhaps as early as 2020,some measures will begin offering a semblance of immortality (虚的永生).    Researchers are confident that the technology will soon be able to track every waking moment of your life? Whatever you see and hear, all that you say and write, can be recorded, analyzed and added to your  personal chronicles (履历). By the year 2030, it may be possible to catch y已知 ，且，则的值为