英语冀教选修8 Unit 8 Humankind and Nature课外阅读 How Life Began on the Earth Reading教学课件 (共22张PPT)

--- by 高二级英语科冯燕萍 Hi, I am Judy. This is my friend, Flash. Hello, I am Flash. Lead-in We are wondering the origin of life. Could you tell me? You did a good job. But I want to know how life began on the earth in our text book. Could you help me? Skimming for main ideas of each paragraph. (P27,Ex1) Skills: listen to the tape and underline the key words. Task One Try to fill in the blanks with the key word of each paragraph. Para 1. The formation of . Para 4. The development of on the earth. Para 2. The formation of . Para 3. The importance of for life. the universe the earth water plants and animals How Life Began on the Earth Para 5. The arrival of and their impact on the earth. humans Scanning for details Put the events into a timeline. (P27,Ex2) Task Two 1. Insects and amphibians appeared. 3. The ea