Ⅰ. Think of some famous big man-made projects in China.
1) 2)
3) 4)
Ⅱ. Preview Part Ⅲon Page 51 and do the following exercise.
1. Say some facts about the Great Wall.
1)
2) The original wall was (length)
3) It was first built in (time).
4) The eastern end of the wall is (place)and the west end is (place).
5)There is a famous Chinese saying about the Great Wall.
