《Unit　5　Technology　all　around　us课件》高中英语牛津上海版高二上册250.ppt

dream reality virtual reality What is virtual reality Watch a clip What is the man wearing on his head and on his hands? a headset a glove 2. Where is the man ? What is the man doing ? What is “Virtual Reality”? Definition: a computer system with a special headset and sometimes a special data glove enabling people to enter the artificial world that appears to be real Short form : VR Outline Para 1: How were computers 50 years ago? How about computers now ? How about the future of computers? P2 What is VR VR is a ________ system with a special ________ . When you put on the headset , you look at 2 tiny television ________ . In many systems , you also wear a special data ________. P3-P5 VR for business VR for education VR for entertainment P3: VR for entertainment ______________ VR games ______________ ______________ P4: VR for education geography: ________________________ history : ________________________ ________________________ P5 : VR for business ____________________ ____________________ Homework . Read the text and finish Exercise D&E on page 66. write a short passage : I am in favour of / against VR. Headings ( listen and find the right order) Dangers of VR Headings P1 development of computers P2 What is VR? P3 VR for entertainment P4 VR for education P5 VR for business P6 Dangers of VR P7 VR may help improve the world P8 VR is here to stay. 1.When were computers invented? 2.How have computers changed over the last 50 years? 3.What could be predicted for the future of computers according to the