Unit4 Then and now（课件）人教PEP版英语六年级下册

Unit 4 Then and now C Story time World Earth Day is coming！ Look and say Before Now In the future Look and say Before Now In the future Changes ____！ a lot Changes around us！ Changes around us！ Before, there were _______. Now, there are _________. Before, there were ______. Now, there are _______. lots of trees not many trees big lakes small lakes earth environment（地球环境） Look and say Changes around us！ Before, people could _______. Now, people can _______. ride a horse take a bus life style（生活方式） Look and say Read and choose 1.The changes in ________. 2.The changes in ________. 3.The changes in ________. What are the changes about? 阅读故事图片，为故事中的每组图片找出合适的主题。 A. animal life B. human life(人类生活) C. earth environment(地球环境) earth environment human life animal life Skim and circle Tips: Skim and circle the time words. 快速略读，圈出时间词。 Before Now In the future Before Now In the future Read and fill Tips: 分组阅读，完成表格。 Group1—4 Group5—8 Together Before Scan and fill Cavemen_didn’t __________. There were____ __________. ___ lived ___. ___ lived ___. Tips:Scan and underline the key sentences,then fill in blanks. 精读，下划线答案，填写表格。 human life earth environment animal life Now We_can use _____ to cook. There are____ __________. There are ___ _________. human life earth environment animal life Before Scan and fill Cavemen_didn’t ____________. cook the food There were______ ____________ many trees and clean rivers _____ lived ______. _____ lived ______. Tips:Scan and underline the key sentences. 精读，下划线答案，完成表格。 Humans on the earth Whales in the sea 原始人 生肉 human life earth environment animal life Why didn’t cavemen cook the raw meat? Because there were no _____________. cooking tools（烹饪工具） Oh, cavemen didn't cook their meat. It's OK. They didn't do the dishes,either! Let’s think Before Let’s think Bad human l