Listening (on Page 55), flying boots self-cleaning shirts flight mobiles thinking quilt with a sensor wristwatch computers constant temperature jackets,1 Flying boots,hover and move above the ground,can go swiftly in any direction,cannot go up and down,2 Thinking quilt,adjust thickness according to the temperature,become thicker when cold and thinner when hot,sensor must be removed every time you wash the quilt,Listening (on Page 59),Students work in pairs to discuss:,1. Suppose you live undersea and happen to come across disaster (灾难). What should you do? 2. How will you deal with the problems that you meet, if you are the designer of the undersea city?,No noise from the air machines.,Steel gates to the city wouldnt open.,solid,city,worried,backup,wrong,either,serious,no noise from the air machines,city doors would not open,broken screen,air machines not working,replaced it,none as doors opened when air machines repaired,Write an advertisement of the kind of quilt according to the listening material given.,Homework,