人教必修三unit4_warming up and reading(共27张PPT).ppt

Pre-reading Each religion and culture has its own ideas about how life began on earth. What do you know? In China, we all know that Pangu separates the sky from the earth. The Biblical Account Day 1: God spoke and separated light from darkness creating Day and Night Day 2: God spoke and separated the water creating sky and ocean Day 3: God spoke and created dry land Day 4: God spoke and created the sun, moon and stars Day 5: God spoke and created living creatures in the air and sea Day 6: God spoke and created the land animals and man Day 7: God rested and blessed this day calling it Holy Pre-reading Read the title and look at the pictures. Predict what the reading will be about. Skim the passage and match the main idea with each paragraph. Para. 1 The formation(形成) of the earth. Para. 2 The importance of water for life. Para. 3 A widely accepted theory about the formation of the universe. Para. 4 The arrival of humans and their impact on the earth. Para. 5 The development of plants and animals on the earth. Read paragraph 1-3 and find out how life began on the earth. Read paragraph 4-5 and find out how life evolved on the earth. Close reading 1. Why was the earth different from the other planets? 2. Why did the plants grow before the animals came? 3. Why is it wrong to show films with dinosaurs and people together? 4. There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do you know why they removed it? 5. What problem is caused by human beings? Close reading 1. Why was the earth different from the other planets? Because water remained on the earth. The significance(意义) of the continued presence of water is that it allowed the earth to dissolve harmful gases and acids into the oceans and seas. Close reading 2. Why