Unit 3 Life in the future教學(xué)設(shè)計(jì)與反思

show the following questions on the screen and hold a discussion.1. do you think living under the sea is possible?2. where are you going to live under the sea?3. in the undersea cities, what equipments do you think are necessary?ten minutes later, ask some ss to answer the questions.t: have you finished? who would like to tell us your opinion? volunteer?s: i think it’s possible. maybe in the future scientists will invent some kind of equipment that makes it possible for human being to live under the sea. t: if it is possible, where are you going to live under the sea? there is all water and fishes around you.s: maybe in a special equipment which will provide us much-needed oxygen and can float in the water. in that case we can travel in the sea to enjoy the wonderful view of the sea.t: good. if you are going to live under the sea, what kind of equipment do you think is necessary for your living?s: oxygen provision and cleaning machine may be necessary.step ⅱ readingdeal with the passage on page 58.t: ok. from what you said, i know all of you are looking forward to living under the sea. now a company just provides the very service! please turn to page 58 and read the passage rising to a challenge. let’s see what the life will be like in this undersea city. when you finish reading, complete the sentences on the screen.give the ss 3 minutes to go through the whole passage. 1. the undersea city is so comfortable that it is described as ___________ .2. the undersea city has the following advantages:a. _____________b. _____________c. _____________d. _____________t: can you find out some suitable sentences or words to fill in the blanks? what’re the advantages of living under the sea?s: the undersea city is so comfortable that it is described as “a silk adventure”.s: the undersea city has the following advantages: a. easy contact with the land surface; b. more personal space; c. complete personal security; d. no housework worries.t: that’s great. you all have got the general idea of the passage. now let’s look into some detailed aspects of the undersea city. first let’s look at its contact with the land surface. who would like to tell me at the very beginning, what kind of problem were they facing? and how was the problem solved?s: the sea bottom is so deep that it’s hard to contact with the land surface. but later they invented the one-person or family shuttle-submarines which will always be ready to take people to the surface.t: so in that case people who live under the sea can easily contact with the land surface. then com-paring with living on land, what advantage do you think can attract people to live under the sea?