Module 2 Amazing things Unit 4 Numbers课件(共19张PPT).pptx
(共19张PPT)
STUDY
Module 2 Unit 4
Numbers
Reading:Numbers around us
Have a quiz.1.When was Nanpu Bridge built How long did it take to finish the bridge a. in 1992; about 5 years b. in 1991; about 3 years2. What was the population of China in 1949 a. about 300,000,000. b. about 400,000,0003. How bi...