Unit4《Cyberspace》lesson3 Virtual Reality课件3 北师大版必修2
Unit4《Cyberspace》lesson3 Virtual Reality课件3 北师大版必修2第3页

You have two choices which one do you prefer? Why? A. You can go to California and attend Stanford – a world famous university this fall. B. You can take courses on line of Stanford at home and get a degree.