Module 1,Unit 1,A:- How long is the Great Wall?,B:- Its about six thousand seven hundred kilometres.,多长,大约,the Huanghe River 5,400km,-How long is ? -Its about ,the Changjiang River 6,300km,-How long is ? -Its about ,our classroom 8m,-How long is ? -Its about ,-How big is our class?,多大,-Our class has got 60 pupils.,-How big is our class?,有.,小学生,De Zhou - 5million New York - 8million Beijing - 14million,-How big is ? -Its got people.,Good bye!,