八年级下Lesson50Theworldisabigplace.ppt

主讲人：窦菊梅,Lesson 50 The World Is a Big Place!,1.increase by 增加了 increase to 增加到 eg.Last term,the students in our class were 48.This term,the students in our class have increased by 6 to 54.,2.Europe:n.欧洲 European:n.欧洲人(s)；adj.欧洲（人）的,3.America:n.美国，美洲 American:n.美国人（s）；adj.美国（人）的,4.India:n.印度 Indian:n.印度人（s）；adj.印度（人）的,5.数词percent:百分之,Antarctica,Europe,the Pacific Ocean,the Atlantic Ocean,the Indian Ocean,the Arctic Ocean,Africa,Asia,Australia,North America,South America,river,mountain,desert,island,lake,ocean,The world is made up of many different kinds of places.,Listen and answer these questions:,1.Whats the worlds biggest island?2.Whats the worlds longest river?,Know our world,6 billion,Will be7.8 billion,Will be 9.1 billion,1.8 billion,7.8 billion,1.3billion,9.1 billion,The population of the world is increasing quickly.,one third of the world,Africa,Europe,Asia,North America,South America,Australia,Antarctica,three quarters of the earths surface,the Pacific Ocean,the Atlantic Ocean,the Indian Ocean,the Arctic Ocean,cover 20 percent of the earths surface,They are not good for people.They are too dry.,Greenland,Its northeast of Canada.,the Nile River,In Africa.,Homework:We know there are seven continents in the world.Which continent of the world interests you？Write a report about it.You can talk about its places,countries,population or other important facts.,THE END,