Unit5VirtualRealityreading学案

　　what is virtual reality？
　　listen and read the text, and then answer the questions
　　what are the three uses for virtual reality mentioned in the dialogue?
　　.
　　fast reading
　　1. how have computers changed over the last 50 years?
　　2. what must you do to enter a vr world?
　　3. which part of the equipment for vr does not seem to be essential?
　　4. in which two ways might children use vr?
　　5. in what ways might vr be useful for business?
　　6. how might vr be dangerous?
　　7. why do you think people might prefer vr to reality?
　　true or false
　　1. computers today are lighter than they were 50 years ago.
　　2. vr is a computer system with a special headset.
　　3. in many systems, you will wear a special data glove, with which you can reach out and touch things in the artificial world.
　　4. in this passage, the author mentions 2 main uses of vr.
　　5. the author’s attitude towards the uses of vr is negative.
　　talking
　　what are the advantages and disadvantages of vr?
　　what fields can vr be used in?
　　homework: 1.write a passage about your attitude on virtual reality
　　2. master the language points
　　enjoy a poem
　　dreams
　　by langston hughes
　　hold fast to dreams
　　for if dreams die
　　life is a broken winged bird
　　that can not fly.
　　hold fast to dreams
　　for when dreams go
　　life is a barren field
　　frozen with snow .
　　fast 紧紧地
　　winged 有翅膀的
　　barren 贫瘠的
　　frozen 冻结的，冰冷的
　　梦想 (朗斯顿·休斯)
　　紧紧抓住梦想，
　　梦想若是消亡，
　　生命就像鸟儿折了翅膀，
　　再也不能飞翔。
　　紧紧抓住梦想，
　　梦想若是消丧，
　　生命就像贫瘠的荒野，
　　雪覆冰封，万物不再生长。