book7
book7_u4_课件课时1welcometotheunitandwordpower
traffic jams。 not so fortable during peak hours because they are usually very crowded。 cause pollution。 … Means of transport Advantages underground train highspeed trains extremely fast and
book7_u1_教案课时8project1
t the use of the telephone 1. What are the drawbacks of the telephone according to the author? 2. How does the author defend the Amish’s point about the use of the telephone? 3. Why does the author