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It is said that __________ created humans in China’s fairy tales. (Teachers show two pictures to present some culture’s own ideas about how life began on the earth.) Show another picture of Big Bang.(Teachers get Ss to read the title and look at the pictures on Ss to predict what the reading will be about.) Step II Reading practice閱讀訓(xùn)練 Read the text and understand it on the whole. I. Read to find out the main idea of each paragraph.① What is/are the key word(s) of each paragraph?② What is the main idea of each paragraph?Key word(s)The main idea( Get Ss to read the text to find the key words and the main idea of each paragraph. After 8 minutes discuss in groups and then check the answers.) Skim the reading passage to put the order of development of life into a timeline. (After 2minutes check the answers with Ss. ) The right order:111 Scan to find the specific information. for questions 13 and 5 of exercise 3on P27. (Teachers guide Ss to read questions13 and 5 of exercise 3 on P27 first, and then scan the text to answer the questions. After 5minutes, check the answers with the whole class. ) Keys: the water remained on the earth. plants provide oxygen for animals to breathe. dinosaurs died out long before human beings developed on